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Questions on Biofertilizers | Medicinal Plants, Paper - 05 |
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Sr. No. |
Questions |
Answers |
1. |
Major glycoside present in leaf juice of Aloe vera is
(a) Emodin
(b) Aloe emodin
(c) Barbaloin
(d) Aloin
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Answer: (c) |
2. |
Most famous nitrogen fixing bacterium / biofertililzer is
(a) Nitrobacter
(b) Nitrosomonas
(c) Nitrococcus
(d) Rhizobium
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Answer: (d) |
3. |
Most suitable fertilizer of paddy fields is
(a) Mycorrhiza
(b) Azotobacter and clostridium
(c) Symbiotic and nonsymbiotic cyanobacteria
(d) Rhizobium
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Answer: (c) |
4. |
Mushroom cultivation consists of steps
(a) Spawning - composting - Harvesting - casing
(b) Casing - composting - harvesting - Spawning
(c) Cropping - casing - Spawning - composting
(d) Composting - Spawning - Casing - harvesting
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Answer: (d) |
5. |
Mycorrhiza is helpful in
(a) Synthesis of food
(b) Getting nutrients from soil
(c) Providing resistance against different regulators
(d) Increase the fertility of soil
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Answer: (b) |
6. |
Mycorrhiza is symbiotic association between
(a) Fungus and gymnosperm stem
(b) Fungus with angiosperm leaves
(c) Fungus with legume fruits
(d) Fungus with Gymnosperm and angiosperm roots
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Answer: (d) |
7. |
Nitrogen fixation is
(a) Nitrogen - Ammonia
(b) Nitrogen - Nitrates
(c) Nitrogen - Amino acids
(d) Both A and B
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Answer: (d) |
8. |
Ocimum sanctum belongs to the family
(a) Meliaceae
(b) Acanthaceae
(c) Liliaceae
(d) Lamiaceae
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Answer: (d) |
9. |
Red pigment (leghaemoglobin) having affinity for oxygen is present in the roots of
(a) Mustard
(b) Soyabean
(c) Carrot
(d) Radish
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Answer: (b) |
10. |
Rhizobium induced root nodules are internally pinkish due to
(a) Carotene
(b) Leghaemoglobin
(c) Haemoglobin
(d) Xanthophyll
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Answer: (b) |