NEET Daily Practice Papers - Biology - Cell Biology
521 Questions/Answers
Differentiation capacity of compound microscope is
Answer:
Explanation:
Feulgen reaction a technique has been developed by Feulgen and Rossenbeck to study or to stain
The transmission electron microscope has a resolution of
Electron microscope is used for
A magnification of upto 100 million times is possible in
Resolving power of light microscope is
Electron microscope has revealed the presence of or Which among the following can be seen only under electron microscope
Who invented the "electron microscope"
The part of a cell that can be seen with an electron microscope, but never with a light microscope is/are the
1 nm is equal to
Which of the following statements is false
Lignified cells are stained by
An angstrom is equal to
The smallest size of a cell which can be seen with unaided eye is or differentiation capacity of human eye is
Ultrastructure of cell can be best studied by
The correct order of sedimentation of sub-cellular structure during differential centrifugation is
Which one of the following is a vital stain
Cellulosic cell wall can be specifically stained by
Mitochondria in the living cell can readily be identified from other organelles of the cell through light microscope by using
If a biochemical analysis of mitochondria is to be done, the best procedure would be
Tracer elements are
Feulgen positive reactions are shown by
Which of the following isotope is non radioactive: (a) C14 (b) P31 (c) H3 (d) S35
Chromosomal network can not be stained by
Microtome was developed by
HPLC stands for
High wavelength UV rays are used in
Electron microscope is made up of
In confocal microscope, the specimen is illuminated by
One micrometer is a unit equivalent to
Which lenses in electron microscope are used to control and focus?
Which of the following is used for observing spindle fibres?
Following technique uses radioactive precursors for observing metabolic activities of macromolecules, is
Which of the following technique, other than microscopy is used for study of cell
In light microscope, the most clear structure of a mature cell is
Pure fractions of cellular components can be isolated by
Scientists were able to pinpoint the location of colour processing centres in the visual cortex of the brain by means of
A student wishes to study the cell structure under a light microscope having eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution
Svedberg got Nobel prize for which of the following discovery
Who proposed the 'Cell theory'
Match the following and choose the correct combination from the options given: Column I: A. Robert Hooke 1. Mutation theory B. Charles Darwin 2. Swan-necked flask experiment C. Hugo de vries 3. Origin of species D. Louis Pasteur 4. Micrographia
Schleiden (1838) proposed that cell is the structural and functional unit of life. His idea was a
Robert Hooke used the term cell in the year
Which one is the largest unicellular organism?
Prokaryotic cell does not have
With the increase in the shape of cell, its ratio of volume and surface area will be
When a plant cell is treated by cellulose and pectinate enzymes, which of the following is formed
The minute protoplasmic connections between cells are called
Middle lamella is made up of
The internal layer joining the primary walls of the two adjacent cells is known as
The strength and rigidity of a cell wall is due to the substance known as
The wall of cork cell is mostly impregnated with
A mature plant cell has
Cell wall in higher plants is made up of
In the middle lamella of plant cell walls, one of the main elements is
The chemical substance most abundantly present in the middle lamella is
Middle lamella is
What Robert Hooke had discovered in the thin section of the cork
Waxy substance secreted by epidermal cells on their outer walls is
Which one is not a component of normal cell wall
Polytene chromosomes in salivary glands of Drosophila are formed as a result of
Minimum number of chromosomes are present in
The arrangement of genes on chromosomes is
Chromosomes whose arms are equal are called
Structure present over the chromosomes is
Autosome is
DNA genetic material occurs by itself in lower organisms and combined with proteins as nucleoproteins in higher organisms. The nucleoprotein is organized in higher forms to form
Identify the correct match between types of chromosomes and their descriptions Chromosomes Position of centromere A. Metacentric 1. At the tip B. Submetacentric 2. Almost near tip C. Acrocentric 3. At the middle D. Telocentric 4. Slightly away from middle
Centromere may also be called as
The part which does not take strain amongst the following is
The telomeres of eukaryotic chromosomes consist of short sequences of
Starch and cellulose are the compounds made up of many units of
Which one of the following is the sweetest sugar
Which of the following is the characteristic of plants
Which of the following is a disaccharide
Inulin found in plant cell is a
Pentoses and hexoses are the most common
Corn is immersed in the boiling water. It is then cooled, the solution becomes sweet. It is due to
Final product of starch digestion is
Cellulose are polymers of
Period of active mitosis ranges from
Meiosis was discovered by
How many meiotic divisions will be necessary to produce two hundred pollen grains
Prophase of reduction division is divided into number of stages. The correct chronological sequence is
If for a species 2n = 16, then during Ist prophase and IInd prophase of meiotic division of a cell, how many tetrads and diads will be formed
Regarding the sequence of cell cycle, which one is corect
Mitotic index means
Pachytene occurs during
In which of the following meiosis takes place
Which of the following is the shortest phase of the cell cycle
Which of the following position is the base to define the formation place of cell plate at the end of nuclear division
G2 phase of mitosis takes
Which of the following will show simple cell division
The force responsible for the terminalization at the time of cell division is
Interphase of mitosis in man takes
In animal cell cytokinesis takes place by
Prophase is longer in
In one meiotic cell division, the cell divides
In pollen mother cells cytokinesis during meiosis is
Mitotic crossing over takes place in
The term 'mitosis' was proposed by
In cancer cells
Which of the following structure will not be common to mitotic cell of a higher plant
How many mitotic divisions are needed for a single cell to make 128 cells
Which one of the following forms the spindle apparatus during cell division
During cell division in apical meristem nuclear membrane reappears in
Meiosis is significant because
How many reduction divisions are necessary for the formation of 200 grains of wheat
In mitotic cell division
Meiosis differs from mitosis as
During mitosis chromosomes go to their poles in a stage called
When, during the meiotic division, do the centromeres divide
DNA replication takes place in
What happens in mitosis
The number of chromosomes after I phase of meiotic division in reduction division
Meiosis can be observed in
The decision for division occurs in a cell at
Cellular structure always disappears during mitosis is
Which of the following cell division is found in prokaryotic cells
Phragmoplast is precursor of
Cell plate is referred as
The replication of centrioles occurs during
Karyokinesis differ from cytokinesis because it involves
If nucleus represents its large size in proportion to cytoplasm of cell, it indicates that
The nuclear membrane disappears in
Chromonemata start associating into bivalent chromosomes during
An acrocentric chromosome at metaphase will be
Constancy of the chromosome number in successive generations is brought by the process of
In an organism, if the normal diploid number of chromosomes is 8, how many chromatids are present in each daughter cell at the end of meiosis I
The study of chromosomes at meiotic diplotene shows that
The points at which crossing over has taken place between homologous chromosomes are called
How many meiotic division would be required to produce 101 female gametophytes in an angiosperm
Which effect is imparted by colchicine
In which of the following stage, the chromosome is thin and like long thread
Exchange of chromosome segments between maternal and paternal chromatids during meiosis is called
Spindle fibres are made up of
Anastral mitosis is found in
Which is not true for anaphase
In which phase proteins for spindle fibre formation are synthesized
In eukaryotic cell cycle, cell fusion experiments show that
Which is synthesized in G1 phase
DNA and histone proteins are synthesized during the following phase of cell cycle
At which phase of meiosis, the two cells, each with separated sister chromatids move towards opposite poles
Which one of the following precedes re-formation of the nuclear envelope during M phase of the cell cycle
In the somatic cell cycle
During cell division chromosome attaches with spindles
During the meiotic division the
During the phase of cell division
Meiosis is found at
Homologous pairing in prophase I of meiosis I is called
In meiosis the daughter cells are not similar to that of parent because of
Diploid living organism develops from zygote by repeated cell divisions is called
Tannins are
Fundamentally a dead cell differs from a living cell because
The cells of blood, protozoa and micro-organisms were firstly studied by
Cellulose, the most important constituent of plant cell wall is made up of
In prokaryotic cells, the enzymes involved in the oxidation of metabolites are associated with
Recycling of plasma membrane is carried out by
Non-living substance in protoplasm is
Disulphide bonds which acts as atomic staples to reinforce the conformation of proteins are found in
During cell division, sometimes there will be failure of separation of sister chromatids. This event is called
If a cell has a chromosome number after first meiosis equal to 48. The chromosome number in the daughter cells after the completion of meiosis will be
A cell in prophase of mitosis can be distinguished from a cell in prophase-I of meiosis by
In mitosis nucleolus and nuclear membrane disappear at
Chiasmata formation occurs during
During the first metaphase of meiosis the centromeres
The number of chromatids in a chromosome at anaphase is
In mitosis the duplication of chromosomes occurs during
Cell division in blue-green algae is more or less similar to that in
Which out of the following is not a divisional stage
When, during the meiotic division, do the homologous chromosomes pair with each other
Between mitosis a cell is called to be in the
The process of mitosis is divided into 4 phases. Identify the correct order in which these phases appear in mitosis
Meiosis and mitosis differ from each other because in meiosis
Cell division is initiated by
"Endomitosis'' refers to
The homologous chromosomes follow the process of synapsis in the stage or Pairing of homologous chromosome takes place in
Crossing over is advantageous because it brings about
The process of mitosis can be studied in
The process by which the chromosomes are separated in the sex cells and their number reduced from the diploid to haploid condition is known as
During the phase of cell division, what is synthesized?
Meiosis is found at which part of the plant?
Homologous pairing in prophase I of meiosis I is called?
In meiosis, the daughter cells are not similar to that of parent because of?
Diploid living organism develops from zygote by repeated cell divisions is called?
Tannins are?
Fundamentally a dead cell differs from a living cell because?
The cells of blood, protozoa and micro-organisms were firstly studied by?
Cellulose, the most important constituent of plant cell wall is made up of?
In prokaryotic cells, the enzymes involved in the oxidation of metabolites are associated with?
Recycling of plasma membrane is carried out by?
Non-living substance in protoplasm is?
Disulphide bonds which acts as atomic staples to reinforce the conformation of proteins are found in?
One of the following serves as a temporary storage place for proteins and other compounds synthesized by endoplasmic reticulum?
Release of lysosomal enzymes may be brought about by?
One of the cell organelle is said to function as 'trigger of cell division'
RNA-protein ratio of eukaryotic ribosome is?
Peroxisomes are involved in the synthesis of?
Which of the following has centrioles?
Basal bodies are associated with the development of?
The points at which crossing over has taken place between homologous chromosomes are called
How many meiotic divisions would be required to produce 101 female gametophytes in an angiosperm?
Which effect is imparted by colchicine?
In which of the following stage, the chromosome is thin and like long thread?
Exchange of chromosome segments between maternal and paternal chromatids during meiosis is called
Spindle fibres are made up of
Anastral mitosis is found in
Which is not true for anaphase
In which phase proteins for spindle fibre formation are synthesized?
In eukaryotic cell cycle, cell fusion experiments show that
Which is synthesized in G1 phase
DNA and histone proteins are synthesized during the following phase of cell cycle
At which phase of meiosis, the two cells, each with separated sister chromatids move towards opposite poles
Which one of the following precedes re-formation of the nuclear envelope during M phase of the cell cycle
In the somatic cell cycle
During cell division chromosome attaches with spindles
During the meiotic division the
During the phase of cell division
Meiosis is found at
Homologous pairing in prophase I of meiosis I is called
Which of the following effect is imparted by colchicine?
In which of the following stage, the chromosome is thin and like long thread?
Exchange of chromosome segments between maternal and paternal chromatids during meiosis is called
Spindle fibres are made up of
Anastral mitosis is found in
Which is not true for anaphase?
In which phase proteins for spindle fibre formation are synthesized?
In eukaryotic cell cycle, cell fusion experiments show that
Which is synthesized in G1 phase?
DNA and histone proteins are synthesized during the following phase of cell cycle
At which phase of meiosis, the two cells, each with separated sister chromatids move towards opposite poles
Which one of the following precedes re-formation of the nuclear envelope during M phase of the cell cycle
In the somatic cell cycle
During cell division chromosome attaches with spindles
During the meiotic division the
During the phase of cell division
Meiosis is found at
Homologous pairing in prophase I of meiosis I is called
In meiosis the daughter cells are not similar to that of parent because of
Diploid living organism develops from zygote by repeated cell divisions is called
In which phase proteins for spindle fibre formation are synthesized?
In eukaryotic cell cycle, cell fusion experiments show that when an S-phase cell is fused with a G1-phase cell ____.
Which is synthesized in G1 phase?
DNA and histone proteins are synthesized during the following phase of cell cycle:
At which phase of meiosis, the two cells, each with separated sister chromatids move towards opposite poles?
Which one of the following precedes re-formation of the nuclear envelope during M phase of the cell cycle?
In the somatic cell cycle
During cell division chromosome attaches with spindles
During the meiotic division the
During the phase of cell division
Meiosis is found at
Homologous pairing in prophase I of meiosis I is called
In meiosis the daughter cells are not similar to that of parent because of
Diploid living organism develops from zygote by repeated cell divisions is called
Tannins are
Fundamentally a dead cell differs from a living cell because
The cells of blood, protozoa and micro-organisms were firstly studied by
Cellulose, the most important constituent of plant cell wall is made up of
In prokaryotic cells, the enzymes involved in the oxidation of metabolites are associated with
Recycling of plasma membrane is carried out by
Which of the following will show simple cell division?
The force responsible for the terminalization at the time of cell division is
Interphase of mitosis in man takes
In animal cell cytokinesis takes place by
Prophase is longer in
In one meiotic cell division, the cell divides
In pollen mother cells cytokinesis during meiosis is
Mitotic crossing over takes place in
The term "mitosis'' was proposed by
In cancer cells
Which of the following structure will not be common to mitotic cell of a higher plant
How many mitotic divisions are needed for a single cell to make 128 cells
Which one of the following forms the spindle apparatus during cell division
During cell division in apical meristem nuclear membrane reappears in
Meiosis is significant because
How many reduction divisions are necessary for the formation of 200 grains of wheat
In mitotic cell division
Meiosis differs from mitosis as
During mitosis chromosomes go to their poles in a stage called
When, during the meiotic division, do the centromeres divide
If at the end of meiosis, the 4 daughter cells have 4 chromosomes, how many chromosomes were in the mother cell?
How many times will meiosis take place for the formation of 80 wheat grains?
In which type of cell division does spindle formation not occur?
How many mitotic divisions must occur in a cell of root tip to form 256 cells?
The best stage to count the number of chromosomes during mitosis or structure of chromosomes can be best seen at?
A repeated cycle of DNA replication without separation of daughter chromatids leads to the formation of?
Cytokinesis in plants takes place by the formation of?
In meiosis, the centromere divides during?
During interphase, RNA and proteins are synthesized in?
Four chromatids and two centromeres which are homologous occurs in?
The number of chromosome groups at the equatorial plate in metaphase–I of meiosis in a plant with 2n = 50 shall be?
The significance of meiosis lies in?
Mitosis results in?
In which phase of mitosis the chromosomes are arranged around the equator of the spindle?
Which one of the following pairs is correctly matched (related to meiosis)?
Mitosis and meiosis take place respectively in?
An anaphase chromosome contains?
Match List I and List II and select the correct answer (phase of meiosis and events):
Chromosome number is halved in meiosis during?
Chromosomes start separating at which stage of mitosis?
What is the base to define the formation place of cell plate at the end of nuclear division?
G2 phase of mitosis takes how much time of the cell cycle?
Which of the following will show simple cell division?
The force responsible for terminalization at the time of cell division is?
Interphase of mitosis in man takes how many hours?
In animal cell cytokinesis takes place by?
Prophase is longer in?
In one meiotic cell division, the cell divides?
In pollen mother cells, cytokinesis during meiosis is?
Mitotic crossing over takes place in?
The term 'mitosis' was proposed by?
In cancer cells?
Which of the following structure will not be common to mitotic cell of a higher plant?
How many mitotic divisions are needed for a single cell to make 128 cells?
Which one of the following forms the spindle apparatus during cell division?
During cell division in apical meristem nuclear membrane reappears in?
Meiosis is significant because?
How many reduction divisions are necessary for the formation of 200 grains of wheat?
In mitotic cell division
Meiosis differs from mitosis as
The arrangement of genes on chromosomes is
Chromosomes whose arms are equal are called
Structure present over the chromosomes is
Autosome is
DNA genetic material occurs by itself in lower organisms and combined with proteins as nucleoproteins in higher organisms. The nucleoprotein is organized in higher forms to form
Identify the correct match between types of chromosomes and their descriptions.
Centromere may also be called as
The part which does not take stain amongst the following is
The telomeres of eukaryotic chromosomes consist of short sequences of
Starch and cellulose are the compounds made up of many units of
Which one of the following is the sweetest sugar
Which of the following is the characteristic of plants
Which of the following is a disaccharide
Inulin found in plant cell is a
Pentoses and hexoses are the most common
Corn is immersed in the boiling water. It is then cooled, the solution becomes sweet. It is due to
Final product of starch digestion is
Cellulose are polymers of
Simplest form of carbohydrate is
Sucrose, a common table sugar, is composed of
Assertion : Multicellular organisms have higher survival value than the unicellular organisms. Reason : Dead cells are replaced by new cells in multicellular organisms.
Assertion : Larger cells are less efficient. Reason : Surface volume ratio is more in large cells.
Assertion : Plasmodesmata occurs amongst animal cells. Reason : Compartmentalisation helps the cells to maintain their identity.
Assertion : Sucrose is a reducing sugar. Reason : All disaccharides are reducing sugar.
Assertion : Bacterial cell walls are not like the plant cell. Reason : Bacterial cell wall is not made up of cellulose.
Assertion : Nucleoside is acidic in nature. Reason : The bonds attaching second and third phosphates in higher nucleotide are high energy bonds.
Assertion : Na+- K+ ATPase is an important membrane associated enzyme. Reason : It helps in ion transfer across the membrane.
Assertion : Membrane transport occurs through the carrier proteins. Reason : The transport carried by carrier proteins is passive.
Assertion : Cristae are the infoldings of outer membrane of mitochondria. Reason : Electron transport occurs in mitochondrial matrix.
Assertion : Leucoplasts give rise to other types of plastids. Reason : Chromoplasts do not get changed to other types of plastids.
Assertion : Thylakoids contain chlorophylls. Reason : CO2 fixation occur in the matrix of chloroplast.
Assertion : Smooth endoplasmic reticulum is also called agranular endoplasmic reticulum. Reason : SER contains ribophorins.
Assertion : ER acts as a circulatory system. Reason : ER functions as cytoskeleton.
Assertion : Karyokinesis occurs in M-phase. Reason : Cell division stops in M-phase.
Assertion : Interphase is resting stage. Reason : The interphase cell is metabolically inactive.
Assertion : DNA synthesis occurs in G1 and G2 periods of cell cycle. Reason : During G1 and G2 phase the DNA contents become double.
Assertion : Mitosis maintains the genetic similarity of somatic cells. Reason : Chromosomes do not undergo crossing over.
Assertion : Chiasmata is formed during diplotene. Reason : Chiasmata are formed due to deposition of nucleoproteins.
Assertion : During zygotene, chromosomes show bivalent stage. Reason : Bivalent is half the number of chromosomes.
Assertion : Eukaryotic cells have more DNA than prokaryotic cells. Reason : Eukaryotes are genetically more complex than prokaryotes.
Anastral mitosis is found in
Which is not true for anaphase
In which phase proteins for spindle fibre formation are synthesized
In eukaryotic cell cycle, cell fusion experiments show that
Which is synthesized in G1 phase
DNA and histone proteins are synthesized during the following phase of cell cycle
At which phase of meiosis, the two cells, each with separated sister chromatids move towards opposite poles
Which one of the following precedes re-formation of the nuclear envelope during M phase of the cell cycle
In the somatic cell cycle
During cell division chromosome attaches with spindles
During the meiotic division the
During the phase of cell division
Meiosis is found at
Homologous pairing in prophase I of meiosis I is called
In meiosis the daughter cells are not similar to that of parent because of
Diploid living organism develops from zygote by repeated cell divisions is called
Tannins are
Fundamentally a dead cell differs from a living cell because
The cells of blood, protozoa and micro-organisms were firstly studied by
Cellulose, the most important constituent of plant cell wall is made up of
During the meiotic division the homologous chromosomes are separated, the linkage is disturbed, the homologous chromosomes do not segregate. Which of the following is correct?
During the phase of cell division, which of the following is synthesized?
Meiosis is found at which part of the plant?
Homologous pairing in prophase I of meiosis I is called
In meiosis the daughter cells are not similar to that of parent because of
Diploid living organism develops from zygote by repeated cell divisions is called
Tannins are
Fundamentally a dead cell differs from a living cell because
The cells of blood, protozoa and micro-organisms were firstly studied by
Cellulose, the most important constituent of plant cell wall is made up of
In prokaryotic cells, the enzymes involved in the oxidation of metabolites are associated with
Recycling of plasma membrane is carried out by
Non-living substance in protoplasm is
Disulphide bonds which act as atomic staples to reinforce the conformation of proteins are found in
One of the following serves as a temporary storage place for proteins and other compounds synthesized by endoplasmic reticulum
Release of lysosomal enzymes may be brought about by
One of the cell organelle is said to function as 'trigger of cell division'
RNA-protein ratio of eukaryotic ribosome is
Peroxisomes are involved in the synthesis of
Which of the following has centrioles?
Mitosis results in
In which phase of mitosis the chromosomes are arranged around the equator of the spindle?
Which one of the following pairs is correctly matched? (a) Anaphase I - Homologous chromosomes are separated (b) Metaphase I - Pairing of maternal and paternal homologous chromosomes takes place (c) Interphase - A nuclear envelope encloses each haploid set of chromosomes (d) Prophase I - Non-homologous chromosomes are separated
Mitosis and meiosis take place respectively in
An anaphase chromosome contains
Match List I and List II and select the correct answer using the code given below in the lists: (1. Prophase I - Crossing over occurs, 2. Metaphase I - Sister chromatids migrate to opposite poles, 3. Anaphase I - Homologous line up at equator in pairs)
Chromosome number is halved in meiosis during
Chromosome start separating at which stage of mitosis?
Normal cellular activities, such as protein synthesis occur primarily during
At G1 stage which phenomenon takes place?
In mitosis the movement of chromosomes requires
DNA replication occurs during
Terminalization occurs in which stage?
Strasburger is famous for
During cell division, sometimes there will be failure of separation of sister chromatids. This event is called
If a cell has a chromosome number after first meiosis equal to 48, the chromosome number in the daughter cells after the completion of meiosis will be
A cell in prophase of mitosis can be distinguished from a cell in prophase-I of meiosis by
In mitosis nucleolus and nuclear membrane disappear at
Chiasmata formation occurs during
During the first metaphase of meiosis the centromeres
During cell division chromosome attaches with spindles
During the meiotic division the
During the phase of cell division
Meiosis is found at
Homologous pairing in prophase I of meiosis I is called
In meiosis the daughter cells are not similar to that of parent because of
Diploid living organism develops from zygote by repeated cell divisions is called
Tannins are
Fundamentally a dead cell differs from a living cell because
The cells of blood, protozoa and micro-organisms were firstly studied by
Cellulose, the most important constituent of plant cell wall is made up of
In prokaryotic cells, the enzymes involved in the oxidation of metabolites are associated with
Recycling of plasma membrane is carried out by
Non-living substance in protoplasm is
Disulphide bonds which acts as atomic staples to reinforce the conformation of proteins are found in
One of the following serves as a temporary storage place for proteins and other compounds synthesized by endoplasmic reticulum
Release of lysosomal enzymes may be brought about by
One of the cell organelle is said to function as 'trigger of cell division'
RNA-protein ratio of eukaryotic ribosome is
Peroxisomes are involved in the synthesis of
In which of the following stages chromosomes are attached on equatorial plane?
Period of active mitosis ranges from?
Meiosis was discovered by?
How many meiotic divisions will be necessary to produce two hundred pollen grains?
Prophase of reduction division is divided into number of stages. The correct chronological sequence is
If for a species 2n = 16, then during Ist prophase and IInd prophase of meiotic division of a cell, how many tetrads and diads will be formed?
Regarding the sequence of cell cycle, which one is correct?
Mitotic index means
Pachytene occurs during
In which of the following meiosis takes place?
Which of the following is the shortest phase of the cell cycle?
Which of the following position is the base to define the formation place of cell plate at the end of nuclear division?
G2 phase of mitosis takes
Which of the following will show simple cell division?
The force responsible for the terminalization at the time of cell division is
Interphase of mitosis in man takes
In animal cell cytokinesis takes place by
Prophase is longer in
In one meiotic cell division, the cell divides
In pollen mother cells cytokinesis during meiosis is
How many mitotic divisions are needed for a single cell to make 128 cells?
Which one of the following forms the spindle apparatus during cell division?
During cell division in apical meristem nuclear membrane reappears in:
Meiosis is significant because:
How many reduction divisions are necessary for the formation of 200 grains of wheat?
In mitotic cell division:
Meiosis differs from mitosis as:
During mitosis chromosomes go to their poles in a stage called
When, during the meiotic division, do the centromeres divide?
DNA replication takes place in
What happens in mitosis?
The number of chromosomes after I phase of meiotic division in reduction division
Meiosis can be observed in
The decision for division occurs in a cell at
Cellular structure always disappears during mitosis is
Which of the following cell division is found in prokaryotic cells
Phragmoplast is precursor of
Cell plate is referred as
The replication of centrioles occurs during
Karyokinesis differ from cytokinesis because it involves
How many mitotic divisions are needed for a single cell to make 128 cells?
Which one of the following forms the spindle apparatus during cell division?
During cell division in apical meristem nuclear membrane reappears in which phase?
Meiosis is significant because
How many reduction divisions are necessary for the formation of 200 grains of wheat?
In mitotic cell division, what happens to the number of chromosomes at the end?
Meiosis differs from mitosis as
During mitosis chromosomes go to their poles in a stage called
When, during the meiotic division, do the centromeres divide?
DNA replication takes place in which phase?
What happens in mitosis?
The number of chromosomes after I phase of meiotic division in reduction division
Meiosis can be observed in
The decision for division occurs in a cell at
Cellular structure always disappears during mitosis is
Which of the following cell division is found in prokaryotic cells?
Phragmoplast is precursor of
Cell plate is referred as
The replication of centrioles occurs during
Karyokinesis differs from cytokinesis because it involves
During the phase of cell division, which of the following occurs?
Meiosis is found at ______.
Homologous pairing in prophase I of meiosis I is called ______.
In meiosis the daughter cells are not similar to that of parent because of
Diploid living organism develops from zygote by repeated cell divisions is called
Tannins are
Fundamentally a dead cell differs from a living cell because
The cells of blood, protozoa and micro-organisms were firstly studied by
Cellulose, the most important constituent of plant cell wall is made up of
In prokaryotic cells, the enzymes involved in the oxidation of metabolites are associated with
Recycling of plasma membrane is carried out by
Non-living substance in protoplasm is
Disulphide bonds which acts as atomic staples to reinforce the conformation of proteins are found in
One of the following serves as a temporary storage place for proteins and other compounds synthesized by endoplasmic reticulum
Release of lysosomal enzymes may be brought about by
One of the cell organelle is said to function as 'trigger of cell division'
RNA-protein ratio of eukaryotic ribosome is
Peroxisomes are involved in the synthesis of
Which of the following has centrioles
Basal bodies are associated with the development of
The study of chromosomes at meiotic diplotene shows that
Publish Year
August 2025
Last Update
August 16, 2025
Language
English
Level
hard
Total Questions
521
Document Details
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