This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 7 Control And Coordination – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 7 Control And Coordination Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called A) Neurotransmitter. B) Dendrites. C) Axon. D) Synapse. Show Answer Correct Answer: D) Synapse. 2. The growth of a pollen tube towards the ovule is caused by ..... A) Phototropism. B) Hydrotropism. C) Thigmotropism. D) Chemotropism. Show Answer Correct Answer: D) Chemotropism. 3. What Gland is described as the "Master" gland of the body? A) Pancreas. B) Pituitary gland. C) Thyroid. D) Adrenal gland. Show Answer Correct Answer: B) Pituitary gland. 4. Spinal cord originates from A) Cerebrum. B) Medulla. C) Cerebellum. D) Pons. Show Answer Correct Answer: B) Medulla. 5. In a neuron, conversion of electrical signal to a chemical signal occurs at/in A) Cell body. B) Axon terminal. C) Dendritic end. D) Axon. Show Answer Correct Answer: B) Axon terminal. 6. Hormone that is a hormone that can be used in closing these holes ..... A) Abscisic acid abscic acid. B) Auxin Axin. C) Gibberin Gibberellin. D) All the above. Show Answer Correct Answer: A) Abscisic acid abscic acid. 7. Part of the brain responsible for hearing is A) Cerebrum. B) Cerebellum. C) Hypothalamus. D) Medulla. Show Answer Correct Answer: A) Cerebrum. 8. Organisms have directional growth responses to stimuli, like light ..... or gravity ..... A) Gravitropism, Phototropism. B) Phototropism, Gravitropism. C) Both A and B. D) None Of The Above. Show Answer Correct Answer: B) Phototropism, Gravitropism. 9. What role do neurotransmitters play in the nervous system? A) Transmit signals across synapses. B) Protect neurons from damage. C) Store genetic information. D) Provide energy to neurons. Show Answer Correct Answer: A) Transmit signals across synapses. 10. What are they called Functional Units of Passage of Information in Nervous System ..... What are the functional standards that transmit information in the nervous system? A) Neurons neurons. B) Nephrons Nephrons. C) Synapses neurons. D) All the above. Show Answer Correct Answer: C) Synapses neurons. 11. Where is auxin formed A) Tip of stem and root. B) Leaves. C) Embryo. D) All. Show Answer Correct Answer: A) Tip of stem and root. 12. Which is the best definition of a hormones? A) A chemical found in the human body. B) A chemical released into the blood in humans. C) A chemical messenger which travels in the blood to activate cells in target organs. D) A chemical messenger released by glands. Show Answer Correct Answer: C) A chemical messenger which travels in the blood to activate cells in target organs. 13. How does the body respond to a sudden increase in temperature? A) Sweating to cool down. B) Shivering to generate heat. C) Increasing heart rate. D) Decreasing blood flow to the skin. Show Answer Correct Answer: A) Sweating to cool down. 14. Junctions of two neurons in called? A) A) Synapse. B) B) Synapsis. C) C) Joint. D) D) Junction. E) Ans. a) Synapse. Show Answer Correct Answer: A) A) Synapse. 15. What is NOT an example of an coordination centre A) Brain. B) Spine. C) Pancreas. D) Heart. Show Answer Correct Answer: D) Heart. 16. What is the primary function of the myelin sheath in the nervous system? A) To transmit electrical signals. B) To insulate nerve fibers. C) To connect neurons. D) To produce neurotransmitters. Show Answer Correct Answer: B) To insulate nerve fibers. 17. What is the gap between two neurons called? A) Axon. B) Dendrite. C) Conclusion. D) Myelin sheath. Show Answer Correct Answer: C) Conclusion. 18. Which cell relays messages from one tissue to another? A) Red Blood Cell-RBC. B) White Blood Cell-WBC. C) Neuron. D) Tissue. Show Answer Correct Answer: C) Neuron. 19. Tropic movements are controlled by ..... A) Chemicals chemicals. B) Phyto harmones phyto hormones. C) Harmones hormones. D) All the above e. Show Answer Correct Answer: B) Phyto harmones phyto hormones. 20. Which of the following helps in maintaining posture and balance of human body? A) Pons. B) Cerebellum. C) Cerebrum. D) Marrow oblongata. Show Answer Correct Answer: B) Cerebellum. 21. Which part of the neuron receives signals from other neurons? A) Axon. B) Dendrite. C) Cell body. D) Synapse. Show Answer Correct Answer: B) Dendrite. 22. Nervous system contains the following parts ..... the following parts in the nervous system ..... A) Brain brain. B) Spinal cord spinal cord. C) Nerves nerves. D) All the above. Show Answer Correct Answer: D) All the above. 23. To Show Response to Stimulus ..... Response to Stimulus ..... A) Sensitisation sensitivity. B) Sensitivity. C) Sensation knowledge. D) All the above. Show Answer Correct Answer: B) Sensitivity. 24. The neurons that conduct information towards the CNS are ..... answer choices A) Interneurons. B) Motor neurons. C) Sensory neurons. D) Efferent neurons. Show Answer Correct Answer: C) Sensory neurons. 25. Auxins Were Firs TCOINED BY ..... A) Charles Darwin Charles Darwin. B) Francis Darwin Francis Darwin. C) FW went. D) Johnson Jansen. Show Answer Correct Answer: C) FW went. ← PreviousNext →Related QuizzesClass 10 Science Chapter 7 Control And Coordination Quiz 1Class 10 Science Chapter 7 Control And Coordination Quiz 3Class 10 Science Chapter 7 Control And Coordination Quiz 4Class 10 Science Chapter 7 Control And Coordination Quiz 5Class 10 Science Chapter 7 Control And Coordination Quiz 6Class 10 Science Chapter 7 Control And Coordination Quiz 7Class 10 Science Chapter 7 Control And Coordination Quiz 8Class 10 Science Chapter 7 Control And Coordination Quiz 9Class 10 Science Chapter 7 Control And Coordination Quiz 10Class 10 Science Chapter 7 Control And Coordination Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books