Sets
Biology Set 3
30 questions 1. The common passage for both sperms and urine in males is the:
2. During childbirth, the foetus is pushed out through the birth canal by:
3. The pea plant (Pisum sativum) belongs to the family:
4. Which of the following is NOT a type of animal tissue?
5. The flow of energy in an ecosystem is:
6. Dietary fibres help the body in:
7. A human zygote has ___ chromosomes.
8. The growth zones at the tips of roots and shoots are called:
9. The special type of cell division that reduces the chromosome number of the parent cell to half is:
10. The range of distances from a star over which water remains liquid is called the:
11. Consider the following pairs:
(I) Medulla – Involuntary actions
(II) Cerebellum – Precision of voluntary actions
(III) Fore-brain – Areas for hearing and sight
Which of the pairs given above is/are correctly matched?
12. The human rib cage consists of how many pairs of ribs?
13. Chromatin contains DNA and basic proteins called:
14. The deficiency disease caused by lack of iron is:
15. Consider the following statements:
(I) Sympathetic neural signals increase the heart rate.
(II) Parasympathetic neural signals increase the speed of conduction of action potential.
(III) Adrenal medullary hormones can increase the cardiac output.
Which of the above is/are correct?
16. Which of the following is NOT essential to maintain the life of an individual organism?
17. Consider the following pairs:
(I) Shoulder – Ball and socket joint
(II) Knee – Hinge joint
(III) Skull bones – Pivot joint
Which of the pairs given above is/are correctly matched?
18. A section of DNA that provides information for one protein is called a:
19. In ribosomes, 'S' in 70S and 80S stands for:
20. Consider the following statements:
(I) Wind-pollinated plants have a long and feathery stigma to trap pollen.
(II) Insect-pollinated flowers are often brightly coloured and produce nectar and fragrance.
(III) Pollen grains of insect-pollinated plants are small and light.
Which of the above is/are correct?