Leghaemoglobin takes part in
Options
(a) Energy release (b) Stimulating growth of Rhizobium (c) Protecting nitrogenase from O₂ (d) N₂ absorption
Correct Answer:
Protecting nitrogenase from O₂
Explanation:
No explanation available. Be the […]
Mycorrhiza acts as
Options
(a) Mechanical tissue (b) Root hair in adverse conditions (c) Modified root (d) Organ for vegetative propagation
Correct Answer:
Root hair in adverse conditions
Explanation:
A hairlike outgrowth of […]
Mycorrhiza is helpful in
Options
(a) Synthesis of food (b) Getting nutrients from soil (c) Providing resistance against different regulators (d) Increase the fertility of soil
Correct Answer:
Getting nutrients from soil
Explanation: […]
Penicillin inhibits bacterial multiplication because it
Options
(a) Checks RNA synthesis (b) Checks DNA synthesis (c) Destroys chromation (d) Inhibits cell wall formation
Correct Answer:
Inhibits cell wall formation
Explanation:
Penicillin inhibits bacterial multiplication […]
Plants protect themselves from fungi by producing
Options
(a) Protoxins (b) Phytoalexins (c) Prolectins (d) Protoxins & Phytoalexins & Prolectins
Correct Answer:
Protoxins & Phytoalexins & Prolectins
Explanation:
Phytoalexins are low molecular weight […]
Pyrethrin is got from
Options
(a) Azadirachta indica (b) Chrysanthemum cinerariifolium (c) Urtica dioica (d) Tagetes erecta
Correct Answer:
Chrysanthemum cinerariifolium
Explanation:
No explanation available. Be the first to write the explanation for […]
Rennin employed in cheese industry is
Options
(a) inhibitor (b) Alkaloid (c) Enzyme (d) Ferment
Correct Answer:
Enzyme
Explanation:
Proteases are enzymes that are added to milk during cheese production, to hydrolyze caseins, specifically […]
Root nodules for nitrogen fixation of a nonleguminous tree possess
Options
(a) Frankia (b) Rhizobium (c) Azotobacter (d) Thiobacillus
Correct Answer:
Frankia
Explanation:
Frankia is a Gram-positive species of actinomycete filamentous bacterium that […]
Sewage treatment process in which part of decomposer bacteria is recycled into starting of the process is called
Options
(a) Cyclic treatment (b) Primary treatment (c) Teritary treatment (d) Activated sludge treatment
Correct […]
Some blue green algae can be used as biofertilizer as they are
Options
(a) Photosynthetic (b) Surrounded by mucilage (c) Growing every where (d) Capable of fixing nitrogen
Correct Answer:
Capable of fixing […]
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