Which group of animals was the first to evolve to fly?
A). Reptiles
B). Mammals
C). Insects
D). Birds
Insects
Insects were the first to evolve to fly.
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1. Question 8:What are the conditions necessary for fixation of atmospheric nitrogen by Rhizobium. What is their role in N2 -fixation?
2. Ajanta Caves is in ______.
3. Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
4. Grafting is not possible in monocots because they
5. Stomata open at night in
6. In human body lymphocytes are formed in
7. _____ is the cell organelle, in which the biochemical processes of respiration and energy production occur.
8. The phenomenon of summer sleep by animals is called
9. Pellagra is caused due to the deficiency of
10. Adherent mucoid alkaline substance covering the inner lining of stomach is to :
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