NEET Daily Practice Papers - Biology - Plant Nutrition
222 Questions/Answers
The element which is required by the sea plants is
Answer:
Explanation:
A fixed ion is
Calcium is present in middle lemella of the plant in the form of
The most important role of K+ ions is that
A small aquatic plant was put in each of the petridishes X, Y, Z containing different culture solutions. After six weeks the plant in dish X had the same number of leaves as it had previously and they were all small and yellowish. The plant in dish Y had more leaves and they were of normal size and much darker green. The plant in dish Z also had more leaves of normal size but very pale. Which one of the following shows which elements were missing from the culture solutions?
Most abundant elements in a living cell are
A trace element essential for plant growth and radioactive isotope which is used in cancer therapy is known as
Molybdenum is the component of
Cobalt is a part of
Chlorosis, etiolation and albinism are caused by the deficiency of
Synthesis of IAA requires
Mineral salts which are absorbed by the roots from soil are in the form of
Slow rate of absorption of ion at high temperature is due to
Which statement is wrong
Nitrogen absorbed by plants is
An example of a parasitic plant that is also strictly epiphytic is
The enzyme commonly presents in insectivorous plants to fulfill the need of their specific habit
The association between ants and members of family rubiaceae is
Which of the following elements is involved in nitrogen metabolism in reduction of nitrates
A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is
Which of the following pair of bacteria is involved in two step conversion of NH3 into nitrate?
The ability of the venus fly trap of capture insects is due to:
Which one is not an essential element in plants?
Minerals of soil are derived from:
Aeroponic is also called as:
If a dried leaf is taken in a crucible and heated to 600 °C a gray coloured powder is left behind. It is referred to as:
Which one of the following scientists used the nutrient culture solution in hydroponic cultures?
Which group of element is not essential for a normal plant?
The charcoal culture experiment is better than water culture experiment because:
Technique of growing plants without soil in nutrient solutions is called:
Which of the following element is not essential for plants?
Which of the following is not caused by deficiency of mineral nutrition?
Hydroponics is a:
Cultivation by sand culture is also called:
Who gave the criteria of essentiality?
Inorganic nutrients are present in the soil in the form of:
Phytotron is a device:
Tracer elements are:
Which of the following is used as green manure?
The number of essential elements required for normal growth of plant is:
Phosphorus is a structural element in
The chlorophyll is not formed without
The mineral constituent of the cell wall is
Mg and Fe are required by the plants for the
Premature leaf fall is caused due to the deficiency of
Calcium gets accumulated in
In calcium deficient plants, meristematic regions of the stem and root tips are greatly affected and chlorosis of the margins of young leaves takes place. These observations are related to the role of calcium in plant growth as it is
Which of the following is a macro nutrient
Most common free ion in a cell is
Rapid deterioration of root and shoot tip occurs due to the deficiency of
Interveinal chlorosis of leaves is caused by the deficiency of
The constant pH of body fluid is maintained by buffer salts like
Which of the following is not macro-nutrient
If chlorophyll is burnt, what element will be left
Which one is not related with plant ash
Which of the following is not an essential macro-element for the growth of plants
Which of the following element is used up in phosphorylation
Those fertilizers, which provide all the essential elements such as N,P and K etc. required for plant growth, are called
The major portion of the dry weight of plants comprises of
The most abundent element present in the plants is
The appearance of yellow edges to leaves is due to deficiency of this mineral element
Which is essential for root hair growth
A trace element is an element which
Micro-nutrients are
Deficiency of molybdenum cause
Which of the following is a micro-nutrient or a trace element
Photosynthetic photolysis of water takes place in presence of
Copper is the component of
Which of the following is widely used metal cofactor
The cauliflower become brown due to deficiency of
Apple fruit develop internal cork due to deficiency of
Top rot of tobacco is due to deficiency of
Mottle leaf in citrus plants is due to deficiency of
The deficiency of molybdenum induces
Which of the following micro-element is absorbed by leaves
Symptoms of manganese deficiency can be overcome by the use of
Elements which maintains the solubility of calcium in the cells
The elements arsenic, copper and murcury have which of the following effect
Boron is absorbed as
Places where there is copper deposit the soil is
Which of the following is not absorbed through soil: (a) Carbon (b) Nitrogen (c) Potassium (d) All the above
In maize grains the percentage of sulphur is: (a) 93 (b) 68 (c) 59 (d) 26
In plants sulphur is found as: (a) Fast moving (b) Moving (c) About non-moving (d) None of the above
Cabbage plant absorbs phosphorus from: (a) Dry soil (b) Water irrigated soil (c) From phosphate rocks (d) None of these
Plants absorb phosphates as: (a) Soluble phosphate (b) All phosphates (c) Phosphoric acid (d) As element
Which of the following is required for binding protein with nucleic acid: (a) Nickel (b) Iron (c) Cobalt (d) Calcium
Deficiency of which of the following element cause weakening of pedicel and petiole: (a) Magnesium (b) Zinc (c) Nitrogen (d) Calcium
Magnesium is mainly present in the form of: (a) Citrate (b) Bicarbonate (c) Carbonate (d) Phosphate
Phosphorus works as carrier of: (a) Cobalt (b) Zinc (c) Magnesium (d) Copper
Yellowing of tea leaf takes place by the deficiency of: (a) Chlorine (b) Potassium (c) Oxygen (d) Sulphur
Which of the following is considered to be the elements between macro-nutrients and micro-nutrients: (a) Iron (b) Nitrogen (c) Phosphorus (d) Manganese
The cause of special flavour in onion and garlic is due to the presence of: (a) Sulphur (b) Phosphorus (c) Potassium (d) Nitrogen
Potassium is useful in development of: (a) Fibre (b) Pith (c) Parenchyma (d) None of these
Which one is inorganic nutrient: (a) Protein (b) Calcium (c) Cellulose (d) Vitamin
Frame work elements in plants are: (a) Magnesium, copper and iron (b) Copper, carbon and oxygen (c) Manganese, calcium and nitrogen (d) Carbon, hydrogen and oxygen
Absence of Mg++ ions from plants tissue results in: (a) Plasmolysis (b) Hydrolysis (c) Chlorosis (d) Necrosis
Which of the following is not a macro-nutrient: (a) Mn (b) Ca (c) Mg (d) Phosphorus
Presence of phosphorus in a plant: (a) Brings about healthy root growth (b) Promotes fruit ripening (c) Retards protein formation (d) None of the above
Essential macroelements are: (a) Absorbed from soil (b) Manufactured during photosynthesis (c) Produced by enzymes (d) Produced by growth hormones
The major role of phosphorus in plant metabolism is: (a) To generate metabolic energy (b) To evolve oxygen during photosynthesis (c) To evolve carbon dioxide during respiration (d) To create anaerobic conditions
Which of the following is not absorbed through soil?
The cause of special flavour in onion and garlic is due to the presence of
Chlorosis occurs when plants are grown in
Which of the following is not macro-nutrient
Frame work elements in plants are
Rapid deterioration of root and shoot tip occurs due to the deficiency of
The constant pH of body fluid is maintained by buffer salts like
In maize grains the percentage of sulphur is
Green plants use the sulphur in the form of
Which of the following is a component of middle lamella
Which element forms part of structure of chlorophyll molecule
Death of stem and root tips occur due to deficiency of
Which of the following amino acids contain sulphur
Which of the following does NPK denote
By the use of sulphur
Which of the element is not essential for plant growth
Which of the following elements is considered between macro-nutrients and micro-nutrients
The major portion of the dry weight of plants comprises of
The major role of phosphorus in plant metabolism is
Which of the following is considered to be the elements between macro-nutrients and micro-nutrients
Which of the following is not a macro-nutrient?
Presence of phosphorus in a plant:
Essential macroelements are:
The major role of phosphorus in plant metabolism is:
Phosphorus is a structural element in:
The chlorophyll is not formed without:
The mineral constituent of the cell wall is:
Mg and Fe are required by the plants for the:
Premature leaf fall is caused due to the deficiency of:
Calcium gets accumulated in:
In calcium deficient plants, meristematic regions of the stem and root tips are greatly affected and chlorosis of the margins of young leaves takes place. These symptoms eventually lead to the death of leaf, stem and root apices. These observations are related to the role of calcium in plant growth as it is:
Which of the following is a macro nutrient?
Most common free ion in a cell is:
Rapid deterioration of root and shoot tip occurs due to the deficiency of:
Interveinal chlorosis of leaves is caused by the deficiency of:
The constant pH of body fluid is maintained by buffer salts like:
Which of the following is not macro-nutrient?
If chlorophyll is burnt, what element will be left
Which one is not related with plant ash?
Which of the following is not an essential macro-element for the growth of plants?
Which of the following is not an essential macro-element for the growth of plants? (a) N (b) Zn (c) Ca (d) K
Which of the following element is used up in phosphorylation? (a) Calcium and sulphur (b) Chlorine and manganese (c) Iron and phosphorous (d) Magnesium and phosphate
Those fertilizers, which provide all the essential elements such as N,P and K etc. required for plant growth, are called (a) Direct fertilizers (b) Indirect fertilizers (c) Complete fertilizers (d) Incomplete fertilizers
The major portion of the dry weight of plants comprises of (a) Carbon, hydrogen and oxygen (b) Nitrogen, Phosphorus and potassium (c) Calcium, magnesium and sulphur (d) Carbon, nitrogen and hydrogen
The most abundant element present in the plants is (a) Manganese (b) Iron (c) Carbon (d) Nitrogen
The appearance of yellow edges to leaves is due to deficiency of this mineral element (a) Calcium (b) Magnesium (c) Potassium (d) Sulphur (e) Molybdenum
Which is essential for root hair growth (a) Zn (b) Ca (c) Mo (d) S
A trace element is an element which (a) Is a radioactive and can be traced by Geiger counter (b) Is required in very minute amounts (c) Draws other element out of protoplasm (d) Was one of the first to be discovered in protoplasm
Micro-nutrients are (a) Less important in nutrition than macro-nutrients (b) As important in nutrition as macro-nutrients (c) May be omitted from culture media without any detrimental effect on the plant (d) Called micro because they play only minor role in nutrition
Deficiency of molybdenum cause (a) Poor development of vasculature (b) Bending of leaf tip (c) Yellowing of leaves (d) Mottling and necrosis of leaves
Which of the following is a micro-nutrient or a trace element (a) Mg (b) Zn (c) Ca (d) P
Photosynthetic photolysis of water takes place in presence of (a) Mn (b) Cl (c) Both (a) and (b) (d) None of the above
Copper is the component of (a) Cytochrome oxidase (b) Plastocyanin (c) Both (a) and (b) (d) None of the above
Which of the following is widely used metal cofactor (a) Ca2 (b) Al3 (c) Ni2+ (d) Mg3+
The cauliflower become brown due to deficiency of (a) Sodium (b) Calcium (c) Boron (d) Nitrogen
Apple fruit develop internal cork due to deficiency of (a) Magnesium (b) Iron (c) Manganese (d) Boron
Top rot of tobacco is due to deficiency of (a) Iron (b) Manganese (c) Molybdenum (d) Boron
Mottle leaf in citrus plants is due to deficiency of (a) Boron (b) Magnesium (c) Zinc (d) None of these
The deficiency of molybdenum induces (a) Citrus die back disease (b) Pea rossete disease (c) Cauliflower whip tail disease (d) White bud of maize
Which of the following micro-element is absorbed by leaves (a) Phosphorous (b) Boron (c) Zinc (d) Iron
Which of the following elements is not required by plants for their normal healthy growth? (a) Calcium (b) Magnesium (c) Lead (d) Iron
In plant nutrition elements are classified as major or minor depending on (a) Their availability in the soil (b) Their relative production in the ash obtained after burning the plants (c) The relative amounts required by the plants (d) Their relative importance in plant growth
Non-essential element in plant is (a) Barium (b) Magnesium (c) Potassium (d) Calcium
Which of the following, one element has not been proved to be essential in plants (a) Potassium (b) Sodium (c) Zinc (d) Iron
Plant ash is an indication of (a) Mineral salts absorbed by the plants (b) Organic matter of the plant (c) Only mineral salts (d) None of the above
An essential element is one (a) Improves plant growth (b) Present in plant ash (c) Is indispensable for growth and is irreplaceable (d) Available in soil
Hydroponics are (a) Growing of aquatic plants (b) Growing of floating aquatic plants (c) Growing of plants in sand (d) Growing of plants aqueous balanced nutrient
How the mineral contents of the plant known (a) Titrimetric method (b) Calorimetric method (c) Ash analysis (d) All
Necrosis means (a) Yellow spots on the leaves (b) Death of tissue and decomposition (c) Darkening of green colour in leaves (d) None of the above
Oily seeds contain (a) Porphyrin (b) Chlorine (c) Lecithin (d) Arginine
Hydroponics is a method of (a) Study of the development of soil (b) Study of soil protection (c) Growth of plants in liquid culture medium (d) Growing plants in laboratory
In hydrophytic plants, water and salts are absorbed by (a) Roots (b) Leaves (c) Stem (d) Outer layer of plants
Which statement about essential elements is incorrect? (a) They have a specific role (b) They are irreplaceable (c) Their absence prevents plant completion of life cycle (d) They are always required in large amounts
Which is a trace element for plants? (a) Calcium (b) Potassium (c) Iron (d) Carbon
Sodium is essential for the growth of (a) Lycopersicum esculentum (b) Ziziphus (c) Nigella sativa (d) Atriplex
A plant’s requirement for chlorine is mainly for (a) Protein synthesis (b) Photosynthetic water splitting (c) DNA replication (d) Stomatal opening
Toxicity symptoms of micronutrients appear first in (a) Roots (b) Old leaves (c) Young leaves (d) Fruits
Feeding of plants with K-deficient medium may lead to (a) Reduced protein content (b) Poor root growth (c) Wilting (d) All of these
Nickel is mainly required for the metabolism of (a) Nitrate (b) Sulphate (c) Urea (d) Phosphate
Sulphur is found in which amino acid? (a) Alanine (b) Leucine (c) Methionine (d) Proline
Which of the following is not caused by deficiency of mineral nutrition?
Hydroponics is a
Cultivation by sand culture is also called
Who gave the criteria of essentiality?
Inorganic nutrients are present in the soil in the form of
Phytotron is a device
Tracer elements are
Which of the following is used as green manure?
The number of essential elements required for normal growth of plant is
The plants that grow on saline soils with high concentration of NaCl, MgSO4, and MgCl2 are called
Essential elements for plants are
Which of the following ions of heavy metals participate in process of photosynthesis in higher plants?
Carbon becomes available to crop plants in the form of
Which element forms part of structure of chlorophyll molecule?
Death of stem and root tips occurs due to deficiency of
Sinigrin, pungent principle of mustard, is due to
Plants requiring two metallic compounds (minerals) for chlorophyll synthesis are
Which of the following is essential mineral element and is not a constituent of any enzyme but stimulate the activity of many enzymes?
In plants a common symptom caused by deficiency of P, K, Ca and Mg is the
Chlorosis occurs when plants are grown in
Which of the following elements is not required by plants for their normal healthy growth?
In plant nutrition elements are classified as major or minor depending on:
Non-essential element in plant is:
Which of the following, one element has not been proved to be essential in plants?
Plant ash is an indication of:
An essential element is one:
Hydroponics are:
How the mineral contents of the plant known?
Necrosis means:
Oily seeds contain:
Hydroponics is a method of:
In hydrophytic plants, water and salts are absorbed by:
The element which is required by the sea plants is:
A fixed ion is:
Calcium is present in middle lamella of the plant in the form of:
The most important role of K+ ions is that:
A small aquatic plant was put in each of the petri dishes X, Y, Z... Which one of the following shows which elements were missing from the culture solutions?
Most abundant elements in a living cell are:
A trace element essential for plant growth and radioactive isotope which is used in cancer therapy is known as:
Molybdenum is the component of:
Which of the following is considered to be the best chemical method of fixing atmospheric nitrogen?
Assertion: Plants lack excretory organs. Reason: Plant usually absorb essential nutrients and lead a passive life.
Publish Year
August 2025
Last Update
August 17, 2025
Language
English
Level
hard
Total Questions
222
Document Details
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