NEET Daily Practice Papers - Biology - Monera

An organism lacking chlorophyll but able to carry on photosynthesis of organic matter has been found among which one of the following?

Bacteria were first discovered by

The site of respiration in bacteria is

In Escherichia coli

Which of the following fixes CO2 in carbohydrates?

Bacteria are considered as plants, because

Which of the following is not found in bacteria?

The microflora occurring in largest number in soil are

Gram –ve and +ve bacteria have cell membrane made up of

In bacteria

The chief component of bacterial cell wall is

Bacteria whose cell has only a curve/comma is

The main difference between Gram positive and Gram negative bacteria lies in the composition of

Muramic acid is present in the cell wall of

Chemosynthetic bacteria are those bacteria

The hydrogen donor in bacterial photosynthesis is usually

Plasmids are

Which of the following is a genetic vector

Bacteria bearing flagella all over the body are called

The habitat of E. coli is

Bacterial ribosomes are called

What is the nuclear material of a bacterium?

Why surgical instruments are boiled in water before use?

Bacterial photosynthesis is very peculiar because it takes place

Which of the following compounds are decomposed during putrefaction?

Nucleoid is present in

Which of the following can be called as genophore?

Bacterial ribosomes are present

Which of the following bacteria is largest?

Purple sulphur bacteria are

When cocci are present in the bunch, they are called

Nature of Bacillus rimosus is

Glycocalyx of fibres on some bacteria so present is made up of

Chlorobium vesicle is present in

An episome in bacteria is

Which of the following can be the use of micro-organisms

Alexander Flemming has worked on

The bacterial genome is

The nitrifying bacteria are

Branched chain lipids occur in the cell membranes of

Naked DNA is that which is

One of the following is not applicable to Escherichia coli

Bacteria are found to be primitive organism because they

In bacteria the most resistant stage is

In E. coli when the flagella rotates in a clockwise and anticlockwise direction, the movements are

What is a vector

Length of Mycobacterium tuberculosis is

Salmonella sp. is

Spirochetes are ....... in shape

Mycobacterium has

Myxobacteria move by

The filament of Mastigocladus laminosus is

Thiobacillus ferrodoxin liberate energy by oxidizing

An English surgeon believed that micro-organisms of the air caused infection in the wound and to avoid the infection he used carbolic acid and hence he became, 'The Father of Modern Antiseptic Surgery'. He was

Fimbriae are

Under which of the following condition a Gram positive bacteria turns Gram negative

A bacterium which is commonly present in the intestine of man and animal is

Bacteria are made up of

Genes for antibiotic resistance are located in

The cells of bacterium Staphylococcus remain arranged in the form of

‘Peptidoglycan’ is a characteristic constituent of the cell wall of

Bacteria and other monerans do not possess

Organisms which have cells but no distinct nucleus

Nucleic acids in chromosomes in bacteria are

Many bacteria bear minute hairy structures on their cell wall, these are called

Which of the following are extreme halophiles and thermophiles

Infoldings of the plasma membrane of gram positive bacteria, gives rise to

One of the major components of bacterial cell wall is a polymer called

Circular DNA molecule occurs in

The cells of the bacterium Streptococcus remain arranged in the form of

Bacterial cells can be stained with

Mucopeptide in cell wall is more in

An example of iron bacteria is

Bacteria obtaining energy from oxidation of inorganic substances are called

A Dutch Scientist A.V. Leeuwenhoek discovered bacteria for first time in

Which of the following does not evolve oxygen

When a bacterium is provided with flagella arising from two opposite ends, it is called

Which one of the following is correct for structure of cell wall of fungi and bacteria

The DNA of E.coli is

The correct sequence of stages of growth curve for bacteria is

Photosynthetic bacteria have pigments in?

Who classified bacteria under Schizomycetes?

Plasmids occur in?

Bacteria are included in which kingdom?

First organisms to evolve on earth were?

Which one of the following is also called haplophiles?

A mutant micro-organism unable to synthesize a compound required for its growth but able to grow if the compound is provided, is known as?

Smallest bacteria is?

Antony Von Leeuwenhoek was first discovered bacteria. He belongs to which country?

Which one of the following organisms may respire in the absence of oxygen?

In many bacteria the cell membrane becomes invaginated and folded to form?

Bacterial flagella is made up of?

Colourless, unicellular, cell wall bound, spherical or rod-shaped micro-organism and lacking organized nucleus is called?

Mesosome in a bacterial cell is?

What are episomes?

Which of the following statements is correct?

Match the following pairs correctly and choose the right combination

Bacterial cell divides in every minute it takes one hour to fill up a cup. How much time will be taken to fill half the cup?

Under the optimum condition of temperature and nutrition most of the bacteria divide at the interval?

Transformation experiments using Pneumococcus bacteria led to the hypothesis that?

Which of the following statements is correct for E. coli and Rhizobium japonicum with respect to Gram reaction?

Match the following pairs: Escherichia coli, Rhizobium melilotae, Bacillus thurigiensis, Pseudomonas putida with their correct functions.

If a bacterial cell divides every minute and it takes 1 hour to fill a cup, how much time will it take to fill half the cup?

Under optimum conditions, most bacteria divide at what interval?

What did transformation experiments with Pneumococcus bacteria suggest?

What is the process called in which viruses contribute to genetic recombination in bacteria?

How do bacteria commonly reproduce vegetatively?

Why are some bacteria not easily killed?

What is the mass formed by bacteria growing on medium called?

Why is food kept longer in cold storage than in normal conditions?

Why are bacteria considered fission fungi?

How many bacteria are produced in 4 hours if one divides every 30 minutes?

If bacteria are grown with S-35 as the only sulfur source, where is sulfur incorporated?

Why is there no alternation of generation in E. coli?

Which organism was central to the discovery of DNA replication?

What do pili in bacteria represent?

What is the scum layer in Bacillus subtilis colonies called?

How many bacteria from one after 3 hours, if they divide every 20 min?

How is genetic information transferred in bacterial transduction?

Who discovered conjugation in bacteria?

Which of the following is disease causing bacterium in human beings?

Which of the following is Xanthomonas related?

Leprosy is caused by:

The poisonous substances commonly produced by bacteria are known as:

Bacterial blight of rice is caused due to:

Natural genetic engineer is:

Which one is the smallest organism capable of autonomous growth and reproduction?

Little leaf of brinjal is caused by:

Which of the following are called bacteria without cell wall?

Which of the following is osmotically inactive?

Mycoplasma is:

Penicillin and Vancomycin do not affect the mycoplasma because:

Which of the following is effective against mycoplasmal diseases?

Which of the following is called "Jockers of microbiological park''?

Mycoplasma reproduces through:

Elementary cell body in mycoplasma perform the function of:

Class to which mycoplasma belongs is:

Blebs can be noted in:

Who recorded pleuropneumonia in cattles?

"Dodder'' can transmit:

Which of the following has polar nodule on both the ends?

Which of the following shows the absence of chlorophyll 'b'?

Which of the following is used as green manure?

Nostoc may form:

Nostoc is named after:

The matrix around Nostoc colony is:

Angiosperm in which Nostoc remains endophyte is:

Which of the following may occur in arctic and alpine meadows?

Which of the following is coloured portion in the cell of Nostoc?

Which of the following characters of Nostoc resembles other prokaryotes?

Which cell division occurs in Nostoc?

Which of the following movement may be found in blue-green algae?

Which of the following important features are found in blue-green algae?

Which is absent in Nostoc?

The fossil record of blue-green algae is in:

What is the photosynthetic product in blue-green algae?

Which of the following granules are present in cyanobacteria?

According to Bradley and Carr, the nitrogen fixation takes place in:

In Nostoc the heterocysts are

Which of the following contains polyhedral bodies?

Which of the following is coloured portion in the cell of Nostoc?

Which of the following characters of Nostoc resembles other prokaryotes?

Which cell division occurs in Nostoc?

Which of the following movements may be found in blue-green algae?

Which of the following important features are found in blue-green algae?

Which is absent in Nostoc?

The fossil record of blue-green algae is in

What is the photosynthetic product in blue-green algae?

Which of the following granules are present in cyanobacteria?

According to Bradley and Carr, the nitrogen fixation takes place in

In Nostoc the heterocysts are

Which of the following contains polyhedral bodies?

Which of the following may be called as fission algae?

Single filament of Nostoc without mucilage sheath is known as

In which of the following there is no sexual reproduction?

Which of the following algae is symbiotic and nitrogen fixing?

Blue-green algae and bacteria show similarity in

Prokaryotes are characterized by

The cells of cyanobacteria and bacteria exhibit similarity in having

The name cyanobacteria refers to

Which of the following statements is correct for Mycoplasma?

The outermost limiting layer of mycoplasma is made up of?

Which type of organism are PPLO?

Which may live as a space parasite in Anthoceros?

Incipient nucleus is present in?

Which of the following has polar nodule on both the ends?

Which of the following shows the absence of chlorophyll 'b'?

Which of the following is used as green manure?

Nostoc may form:

Nostoc is named after?

The matrix around Nostoc colony is?

Angiosperm in which Nostoc remains endophyte is?

Which of the following may occur in arctic and alpine meadows?

Which of the following is coloured portion in the cell of Nostoc?

Which of the following characters of Nostoc resembles other prokaryotes?

Which cell division occurs in Nostoc?

Which of the following movement may be found in blue-green algae?

Which of the following important features are found in blue-green algae?

Which is absent in Nostoc?

The fossil record of blue-green algae is in?

The Bacillus haemophilus influenza causes

Typhoid fever is caused by

Proteins that kill the same or closely related species of bacteria are called

Crown gall is caused by

Plague is a bacterial disease caused by

Citrus canker is caused by a

Diphtheria is caused by

Cause of ‘Mad Cow’ disease of England

The disease ‘pneumonia’ is caused by

Which is the cause of Anthrax disease

Which of the following is disease causing bacterium in human beings

Which of the following is Xanthomonas related

Leprosy is caused by

The poisonous substances commonly produced by bacteria are known as

Bacterial blight of rice is caused due to

Natural genetic engineer is

Which one is the smallest organism capable of autonomous growth and reproduction

Little leaf of brinjal is caused by

Which of the following are called bacteria without cell wall

Which of the following is osmotically inactive

Which of the following is used to cure off the bitterness of tea leaves?

Which of the following soil microorganisms breaks down plant and animal protein into ammonia?

The bacteria found in nodules of family leguminoseae are?

Which bacteria convert ammonium salts into nitrite?

Which of the following is non-symbiotic biofertilizer?

Which is not help in fixation?

Fermentation is by

Plasmid is used as carrier because

The bacteria (Clostridium botulinum) that cause botulism are

Biofertilizers include

Milk is changed into curd by

Which of the bacterium is useful in preparing Idli?

A substance that causes the disintegration of bacteria is

Which bacteria is responsible for the reduction of nitrates in to nitrogen, in soil?

For retting of jute the fermenting microbe used is

All of the following statements concerning the actinomycetous filamentous soil bacterium Frankia are correct except that Frankia

Which of the following is a free living nitrogen fixing bacteria present in the soil?

The germ theory of disease was put forth by

Which of the following is a bacterial disease?

Bordetella pertusis causes

Escherichia coli has the following combination of characters:

Salmonella typhi was discovered by: