Board Exam Practice — Control, Coordination and Reproduction

Grade 10 Science — Board Exam Practice — Control, Coordination and Reproduction: 25 practice questions with instant scoring and explanations.

1. The pituitary gland is attached to the brain by the:
2. Which hormone promotes growth in mammals?
3. The response of plant shoots to light is called:
4. Which hormone controls blood glucose levels?
5. The male gamete in plants is present in the:
6. How many chromosomes does a human gamete contain?
7. The period from fertilization to birth in humans is approximately:
8. Which neurotransmitter is released at the neuromuscular junction?
9. The part of the brain that controls body temperature is the:
10. Which hormone is produced by the pancreas?
11. The process of releasing gametes by the ovary is called:
12. Which hormone maintains the uterine lining during pregnancy?
13. The receptor that detects touch is located in the:
14. A reflex arc does NOT involve the:
15. The hormone that decreases blood glucose is:
16. The female reproductive organ that produces eggs is the:
17. Which division of the nervous system is responsible for 'fight or flight'?
18. The plant hormone responsible for apical dominance is:
19. The synapse is the gap between:
20. Homozygous dominant individuals for a trait will have genotype:
21. In a cross Aa × Aa, the probability of homozygous offspring is:
22. The part of the neuron that conducts impulses away from the cell body is the:
23. Which plant response is independent of growth?
24. The thyroid hormone is responsible for:
25. A monohybrid cross between Tt and Tt will produce offspring in ratio: