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NCERT Based Natural Science - Biology Questions For Competitive Exams
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NCERT Based Natural Science - Biology Questions For Competitive Exams
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25 Questions

1. Which of the following animals have flippers?
2. Snakes and lizards are animals that are
3. Many persons, who are occupied with desk work for long hours, have a tendency to suffer from cervical spondylosis. This is caused due to decrease in the intervertebral disk space between
4. Skin becomes wrinkled in the old age due to
5. The only molecule in the living world that can replicate itself is
6. The offspring from a cross between two individuals differing in at least one set of characters is called a
7. Plants absorb most of the water needed by them through their
8. Inflorescence is
9. In countries where polished rise is the main cereal in their diet, people suffer from
10. Which is regarded as a link between the living and the non-living?
11. Which of the following is an amphibian?
12. A healthy freshwater fish is placed in saltwater. The expected consequence of this would be that
13. Cell wall of chloroplast is removed, the remaining is called
14. The RNA molecules from a single strand of ribonucleotides of
15. Per cent oxygen in the exhaled air is
16. Which of the following animals are dolphins not closely related to?
17. Plants are killed in winter by frost because
18. Blood haemoglobin has high affinity for
19. Phenomenon which converts light energy into chemical energy is
20. Which of the following characteristics distinguish man from other animals?
1. His capacity to adapt to the needs of the environment
2. His curiosity
3. His blood groups
4. His DNA
Select the correct answer from the following:
21. The increase in population all over the world is due to
22. The odd one among the following is
23. The type of relationship in which one organism is benefited while there is no effect on other is
24. Upon the entry of carbon dioxide in the red blood cells, H+ionsare formed at a very rapid rate, and yet the blood does not turn acid because
25. Genes control