Deepak Rock
Illustrious Member
Joined: Aug 6, 2021
Last seen: Sep 10, 2021
Last seen: Sep 10, 2021
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Answer to: The major portion of the dry weight of plants comprises of
(2) Carbon, hydrogen and oxygen
4 years ago
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Answer to: Boron in green plants assists in (1) acting as enzyme cofactor (2) sugar transport
Correct answer: (2) sugar transport
4 years ago
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Answer to: Grey spots of oat are caused by deficiency of (1) Zn (2) Fe (3) Mn (4) Cu
Correct answer: (3) Mn
4 years ago
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Answer to: A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is
Correct answer: (3) Anabaena
4 years ago
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Answer to: The deficiencies of micronutrients, not only affect growth of plants but also vital functions such as photosynthetic and mitochondrial electron flow.
Correct answer: (3) Cu, Mn, Fe
4 years ago
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Answer to: Which aquatic fern performs nitrogen fixation?
Correct answer: (4) Nostoc
4 years ago
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Answer to: In plants inulin and raphides (1) secretory material (2) reserved food material (3) insect attracting material (4) wastes
Correct answer: (2) reserved food material
4 years ago
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Answer to: Choose the correct match (1) Utricularia, Drosera, Dionaea (2) Trapa, Dionaea, Drosera
(1) Utricularia, Drosera, Dionaea
4 years ago
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Answer to: The major role of minor elements inside living organisms is to act as
Correct answer: (4) co-factors of enzymes
4 years ago
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Answer to: Which one of the following mineral elements plays an important role in biological nitrogen fixation?
Correct answer: (2) Molybdenum
4 years ago
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Answer to: Which of the following is a free-living aerobic nonphotosynthetic nitrogen-fixer?
Correct answer: (4) Azotobacter
4 years ago
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Answer to: A pair of insectivorous plants are
Correct answer: (4) Nepenthes and Bladderwort
4 years ago
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Answer to: The plants are grown in magnesium-deficient but urea sprayed soil would show
Correct answer: (1) yellowing of leaves
4 years ago
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Answer to: Enzyme involved in nitrogen assimilation
Correct answer: (2) nitrogenase
4 years ago
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Answer to: Passive absorption of minerals depend on (1) metabolic inhibitor (2) temperature (3) humidity (4) temperature and metabolic inhibitor
Correct answer: (2) temperature
4 years ago
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Answer to: The association between blue-green algae and fungi occurs in
Correct answer: (2) lichens
4 years ago
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Answer to: Which of the following can fix atmospheric nitrogen? (1) Saprolegnia (2) Albugo (3) Anabaena (4) Cystopus
Correct answer: (3) Anabaena
4 years ago
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Answer to: Which one of the following is a micronutrient for plants? (1) Manganese (2) Calcium (3) Nitrogen (4) Magnesium
Correct answer: (1) Manganese
4 years ago
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Answer to: Which one of the following is not an essential element for plants?
Correct answer: (1) Iodine
4 years ago
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Answer to: Which of the following is not caused by deficiency of mineral nutrition?
Correct answer: (2) Necrosis
4 years ago
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