This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Control And Coordination > Class 10 Science Chapter 7 Control And Coordination – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 7 Control And Coordination Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The neurons that carry nerve impulse from spinal cord to effectors are called- A) C) Inteneurons. B) B) motor neurons. C) A) Sensory neurons. D) Ans. Motor neurons. E) D) spinal neurons. Show Answer Correct Answer: B) B) motor neurons. 2. Breathing is controlled by which part of the brain? A) Hypothalamus. B) Cerebellum. C) Cerebrum. D) Marrow oblongata. Show Answer Correct Answer: D) Marrow oblongata. 3. What is the function of the adrenal gland? A) It makes the hormone insulin that controls blood sugar levels and digestive enzymes. B) It makes thyroid hormones, which control your metabolism. C) It makes the fight or flight" hormone adrenaline. D) It uses information it gets from your brain to "tell" other glands in your body what to do and produces many different important hormones. Show Answer Correct Answer: C) It makes the fight or flight" hormone adrenaline. 4. Testosterone causes:answer choices A) Ovaries to produce oestrogen. B) Testes to produce sperm. C) Pituitary gland to release ADH. D) Pancreas to secrete glucagon. Show Answer Correct Answer: B) Testes to produce sperm. 5. What detects a stimulus?answer choices A) A Simulator. B) A detector. C) A receptor. D) An effector. Show Answer Correct Answer: C) A receptor. 6. Who is the hormone that increases the heartbeat A) Adrenalin. B) Thyroxine. C) Testosterone. D) Eastrogen. Show Answer Correct Answer: A) Adrenalin. 7. The central nervous system consists of the: A) Brain and spinal nerves. B) Spinal nerves and cranial nerves. C) Cranial nerves and spinal cord. D) Spinal cord and brain. Show Answer Correct Answer: D) Spinal cord and brain. 8. I promote growth of stem and flowering.WHO AM I?I encourage the stem growth and flowers? A) Auxin Axin. B) Gibberellin Gibberlin. C) Cytokinin Psythokinine. D) All the above. Show Answer Correct Answer: B) Gibberellin Gibberlin. 9. Identify the part of the brain that takes up the greatest volume A) PONS. B) CEREBELLUM. C) BRAIN STEM. D) CEREBRUM. Show Answer Correct Answer: D) CEREBRUM. 10. Function of Cytokinins ..... Cytokinin A) Cell division cell division. B) Prevention of aging of leaves. C) Enable Growth of Peripheral Branches Park Types. D) All the above. Show Answer Correct Answer: D) All the above. 11. Which of the following hormone stimulates cell division in plants? A) Cytokinin. B) Abscisic acid. C) Gibberellin. D) Auxin. Show Answer Correct Answer: A) Cytokinin. 12. The main function of the plant hormone called abscisic acid is to: A) Increase the length of cells. B) Promote cell division. C) Inhibit growth. D) Promote growth of stem and roots. Show Answer Correct Answer: C) Inhibit growth. 13. Which part of the brain is responsible for voluntary actions? A) Mid-brain. B) Spinal cord. C) Fore-brain. D) Hind-brain. Show Answer Correct Answer: C) Fore-brain. 14. The stimulus in the process of thigmotropism is: A) Light. B) Gravity. C) Touch. D) Chemical. Show Answer Correct Answer: C) Touch. 15. Auxins are responsible for ..... of a plant A) Growth. B) Watering. C) Phototropism. D) Colour change. Show Answer Correct Answer: A) Growth. 16. What is the alternative means of communication used by multicellular organisms? A) Visual communication. B) Mechanical communication. C) Chemical communication. D) Electromagnetic communication. Show Answer Correct Answer: C) Chemical communication. 17. What is the important part of the mind thinking A) Previous mind. B) Nakhi. C) The next mind. D) Nly-brain. Show Answer Correct Answer: C) The next mind. 18. The thalamus and hypothalamus are located in the A) Cerebellum. B) Cerebrum. C) Marrow oblongata. D) Deenalon. Show Answer Correct Answer: D) Deenalon. 19. Growth of Tendrils and Closing of Trap OrganExample growth, food collection of food collection in the Dropera plant ..... an example of the app. A) Chemo chemical. B) Thigmo touch. C) Hydro water. D) None is nothing. Show Answer Correct Answer: B) Thigmo touch. 20. Structure and functional unit of nervous system is ..... A) Neuron. B) Cyton. C) Nephron. D) Axon. Show Answer Correct Answer: A) Neuron. 21. Which is not a reflex action A) Swallowing. B) Coughing. C) Knee jerk. D) Closing of eyes on flashing light. Show Answer Correct Answer: A) Swallowing. 22. Which plant hormone produces opposite effects? A) Dormancy and cotyledons. B) Dormancy and germination. C) Auxin and cytokins. D) Auxins and ethylene. Show Answer Correct Answer: C) Auxin and cytokins. 23. Which of the following is a function of the hypothalamus? A) Storing long-term memories. B) Regulating body temperature. C) Processing auditory information. D) Controlling voluntary muscle movements. Show Answer Correct Answer: B) Regulating body temperature. 24. One of the "newer" and more advanced areas of the brain. A) Pons. B) Hippocampus. C) Medulla. D) Cerebral cortex. Show Answer Correct Answer: D) Cerebral cortex. 25. Aiman is basking under sunlight. Which of the following is the corrective mechanism faced by Aiman? A) Skeletal muscles contract and relax actively. B) Hairs stand erect. C) Blood vessels dilate. D) Decrease sweating. Show Answer Correct Answer: C) Blood vessels dilate. 26. Smooth muscles, cardiac muscle and organs are regulated by A) Central nervous system. B) Somatic nervous system. C) Peripheral nervous system. D) Autonomous nervous system. Show Answer Correct Answer: D) Autonomous nervous system. 27. Which part of the brain stores memories of past happenings? A) Hypothalamus. B) Cerebellum. C) Marrow oblongata. D) Cerebrum. Show Answer Correct Answer: D) Cerebrum. 28. How does the body respond to low levels of glucose in the blood? A) The pancreas releases insulin which raises levels of glucose in the blood. B) The pancreas releases glucagon which stimulates the release of glucose from liver and muscle cells. C) The pituitary gland stimulates the pancreas and insulin is released. D) Liver and muscle cells remove glucose from the blood. Show Answer Correct Answer: B) The pancreas releases glucagon which stimulates the release of glucose from liver and muscle cells. 29. What happens when you place an over ripe banana in a fruit bowl with other fruit? A) Ethylene gas will cause the fruit to grow mold. B) The other fruit will grow in size. C) Ethylene gas will cause the other fruit to ripen. D) Nothing will happen. Show Answer Correct Answer: C) Ethylene gas will cause the other fruit to ripen. 30. Which hormone promotes seed germination? A) Ethylene. B) Gibberellin. C) Abscisic acid. D) Auxin. Show Answer Correct Answer: B) Gibberellin. 31. Most highly developed part of human brain is A) Cerebellum. B) Cerebrum. C) Medulla. D) Pons. Show Answer Correct Answer: B) Cerebrum. 32. What are the different types of tropic movements in plants? A) Chemotropism, gravitropism, hydrotropism. B) Phototropism, gravitropism, hydrotropism. C) Hydrotropism, chemotropism, gravitropism. D) Phototropism, geotropism, chemotropism. Show Answer Correct Answer: B) Phototropism, gravitropism, hydrotropism. 33. Which plant movement is dependent on growth? A) Movement of sunflower towards light. B) Drooping of leaves. C) Climbing of tendrils. D) Folding of leaves in touch-me-not. Show Answer Correct Answer: C) Climbing of tendrils. 34. The reaction of the effector is called A) Stimulus. B) Set point. C) Sensor. D) Response. Show Answer Correct Answer: D) Response. 35. Which hormone inhibits the growth in pants? A) Cytokinin. B) Auxin. C) Gibberellin. D) Abscisic acid. Show Answer Correct Answer: D) Abscisic acid. 36. Which part of the brain controls involuntary actions like heartbeat and breathing? A) Cerebellum. B) Cerebrum. C) Spinal cord. D) Medulla. Show Answer Correct Answer: D) Medulla. 37. Which of the following is not a hormone? A) ADRENALINE. B) INSULIN. C) GLUCOSE. D) THYROXINE. Show Answer Correct Answer: C) GLUCOSE. 38. Part of the brain that controls respiration, heart beat and peristalsis is A) Cerebrum. B) Cerebellum. C) Medulla. D) Hypothalamus. Show Answer Correct Answer: C) Medulla. 39. What is the term used for the involuntary action controlled by the spinal cord? A) Voluntary action. B) Coordinated action. C) Central action. D) Reflex action. Show Answer Correct Answer: D) Reflex action. 40. What is the hormone that stops the growth A) Abscisic acid. B) Auxin. C) Gibberellins. D) Cytokinin. Show Answer Correct Answer: A) Abscisic acid. 41. Growth of pollen tube towards ovule during fertilization is an example of A) Chemotropism. B) Hydrotropism. C) Geotropism. D) Phototropism. Show Answer Correct Answer: A) Chemotropism. 42. What are the two main roles of LH? A) Stimulates development of the placenta and the release of FSH. B) Inhibits the development of a follicle and the release of progesterone. C) Causes the lining of the uterus to break down and the release of FSH. D) Stimulates ovulation and the development of the follicle into the corpus luteum. Show Answer Correct Answer: D) Stimulates ovulation and the development of the follicle into the corpus luteum. 43. Response of plant roots towards water is called: A) B) Phototropism. B) (a) Chemotropism. C) (c) Hydrotropism. D) (d) Geotropism. Show Answer Correct Answer: C) (c) Hydrotropism. 44. Which of the following is a plant hormone responsible for elongation of cells? A) Ethylene. B) Abscisic acid. C) Gibberellin. D) Cytokinin. Show Answer Correct Answer: C) Gibberellin. 45. The hormone which increase the fertility in male is called? A) Oestrogen. B) Growth hormone. C) Testosterone. D) Insulin. Show Answer Correct Answer: C) Testosterone. 46. One of the following plant hormones is responsible for the phenomenon of phototropism in plant this is: A) Cytokinin. B) Eltroxin. C) Auxin. D) Gibberellin. Show Answer Correct Answer: C) Auxin. 47. Purpose of Myalinated Axon in Neurons ..... Myllin A) Information That Passes Through Axon Will Be Secured from External Environment.The information that transmits through the nervous spell from the outside world is preserved. B) Information Passes Through Axon Passes at Speed Speed Faster. C) Both both. D) Purpose Unknown use is unknown. Show Answer Correct Answer: B) Information Passes Through Axon Passes at Speed Speed Faster. 48. The chemical messengers released by endocrine glands are called: A) Neurotransmitters. B) Hormones. C) Enzymes. D) Digestive juices. Show Answer Correct Answer: B) Hormones. 49. Visceral nervous system controls and integrates the function of- A) Urinary bladder. B) Blood vessels. C) Heart. D) All of the above. E) All of the above. Show Answer Correct Answer: D) All of the above. 50. The central nervous system consists of ..... A) Brain. B) Spinal cord. C) Brain and spinal cord. D) Cerebellum. Show Answer Correct Answer: C) Brain and spinal cord. 51. What is the function of insulin? A) Decreases blood sugar levels. B) Regulates heart rate. C) Increases blood sugar levels. D) Controls growth. Show Answer Correct Answer: A) Decreases blood sugar levels. 52. Cytokinins Promote cell growth and are found in areas of slow growth. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 53. Nucleus Bearing Neuron Part ..... A) Axon Tantra. B) Cyton cell body. C) Both both. D) None is nothing. Show Answer Correct Answer: B) Cyton cell body. 54. Which hormone brings about development of mammary gland? A) C) Relaxin. B) B) Progesterone. C) Ans. Estrogen. D) D) Oxytocin. E) A) Estrogen. Show Answer Correct Answer: E) A) Estrogen. 55. Auxin Promotes Stem Growth Through ..... A) Cell elongation cell cultivation. B) Cell division cell division. C) Both both. D) None is nothing. Show Answer Correct Answer: A) Cell elongation cell cultivation. 56. What detects a stimulus? A) An effector. B) A receptor. C) A detector. D) A Simulator. Show Answer Correct Answer: B) A receptor. 57. Mylene Sheath is made with the Made of ..... Myelin Glove ..... A) Proteins proteins. B) FATS Fats. C) Carbohydrates carbohydrates. D) Lipids Lipids. Show Answer Correct Answer: D) Lipids Lipids. 58. The growth of tendrils in pea plants is due to A) Ans. d) rapid cell divisions in tendrillar cells that are away from the support. B) C) rapid cell division in tendrillar cells in contact with the support. C) D) rapid cell divisions in tendrillar cells that are away from the support. D) A) effect of light. E) B) effect of gravity. Show Answer Correct Answer: C) D) rapid cell divisions in tendrillar cells that are away from the support. 59. The major hormones involved in the maintenance of blood glucose levels are produced by the: A) Liver. B) Pancreas. C) Thyroid gland. D) Gall bladder. Show Answer Correct Answer: B) Pancreas. 60. The root of a plant growing down. A) Positive Gravitropism. B) Hydrotropism. C) Negative Gravitropism. D) Thigmotropism. Show Answer Correct Answer: A) Positive Gravitropism. ← PreviousNext →Related QuizzesScience QuizzesClass 10 QuizzesClass 10 Science Chapter 7 Control And Coordination Quiz 1Class 10 Science Chapter 7 Control And Coordination Quiz 2Class 10 Science Chapter 7 Control And Coordination Quiz 3Class 10 Science Chapter 7 Control And Coordination Quiz 5Class 10 Science Chapter 7 Control And Coordination Quiz 6 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books