திங்கள், செப்டம்பர் 19

தாவரவியல் - GENERAL STUDIES - Q & A

தாவரவியல் Q & A தொடர்ச்சி....


1.     1.Quinine is made from cinchone bark
2. Phylllanthus nirui is a medicinal herb and it is used to cure jaundice
3. The dark reaction was worked out by an American scientist called Melvin Calvin
4. “Breathing roots” of mangrove plants are also called both (B) and (C)
5. Hydroponics is plant growth in liquid culture medium
6. Red tides are causd by red dinoflagellates
7. In angiosperms ovules develop into seeds
8. ‘Tikka’ disease is found in groundnut
9. The unicellular algae used in space craft to regulate oxygen supply is chlorella
10. Who is the well known Indian paleobotanist? Birbal sahni
11. Sharbati, Sonara, Kalyan Sona are the improved varieties of wheat
12. An algae yielding single cell protein of economic importance is spirulina
13. The process of transfer of desirable characters from on especies to other is known as selection
14. Wide variety of plants are observed in this tropical regions
15. Mycotoxins are pollutants because they affect most commonly water
16. Orchards are fruit garden
17. Foreign countries want to get plant materials of this plant from our country keeping in view the problem of chemical pesticides Azadirachta indica (neem)
18. Nitrogen fixation is generally brought about by Bacteria and blue green algae
19. “Pasteurization” means boiling and cooling to prevent microbial spoilage
20.Why is sprouted gram considered more nutritious? germinating seeds produce enzymes which are a rich source of protein

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