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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. Bacteria and fungi developing on dead decaying organisms are
2. Some plants develop fruit s without fertilization. This phenomenon is called
3. What happens during seed germination?
4. The total number of ears bones are
5. The testes normally descend into the scrotum about
6. The amount of air breathed in and out in a single quiet respiration is about
7. If we are to measure the length of blood vessels in our body, how many kilometres would it add up to?
8. DNA molecules are composed of deoxyribonucleotides of
9. Deadliest venomous snakes of India are
1. King Cobra
2. Python
3. Common Krait
4. Russel's Viper
The correct response is
10. Glucose is mainly absorbed in
11. Edible part of mango and coconut is
12. Which of the following are mostly woody trees, always perennials and never herbs or annuals?
13. Gene is
14. In humans, ovarian follicles reach maturity from the beginning of a menstrual cycle in
15. Man belongs to the phylum
16. Spinal cord is a long narrow and almost cylindrical structure that extends from the brain to the
17. The odd one among the following is
18. Minute, circular discs floating in the blood, which carry oxygen to the tissues, and carbon dioxide away from them, are called
19. How many different kinds of amino acids are specified by the genetic code?
20. Which of the following vertebrates are without teeth?
1. Jawless fishes
2. Turtles and tortoises
3. Toads
4. Birds
Codes:
21. Skin becomes wrinkled in the old age due to
22. The only connective tissue in which the cells occur in groups or rows are
23. The white matter present in the brain and spinal cord consists of
24. In children the lungs are pale pink due to
25. While writing, the main bones in the hand that mainly help hold the pen in position are:

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