This quiz works best with JavaScript enabled. Home > Cbse > Class 10 > Science > Control And Coordination > Class 10 Science Chapter 7 Control And Coordination – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 7 Control And Coordination Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Taste receptors are A) Statoreceptors. B) Olfactory receptors. C) Gustatory receptors. D) Phonoreceptors. Show Answer Correct Answer: C) Gustatory receptors. 2. Amount of Neurons Embedded in Nervous System Approximately ..... A) 10 billions. B) 10 trillions. C) 10 millions. D) 1 billion. Show Answer Correct Answer: A) 10 billions. 3. Movement in Leaves of Touch Me Not PlantExcavation in the plant ..... A) Nostic is my stick. B) Tropic app. C) Thigmo Sparsa. D) All the above. Show Answer Correct Answer: A) Nostic is my stick. 4. What Is The Importance Of Coordination A) Coordination allows plants to optimize their growth and resource use, ensuring they can effectively respond to changes in their environment, such as light availability and water levels. B) Coordination allows Animals to optimize their growth and resource use, ensuring they can effectively respond to changes in their environment, such as light availability and water levels. C) Both A and B. D) None Of The Above. Show Answer Correct Answer: A) Coordination allows plants to optimize their growth and resource use, ensuring they can effectively respond to changes in their environment, such as light availability and water levels. 5. What is the role of auxin that causes a plant to bend towards light? A) The concentration of auxin in the plant increases when there is light. B) Auxin causes uniform growth on every stem. C) Auxin causes the increase in the number of plant cells. D) Auxin causes cells that are on the dark side to grow faster. Show Answer Correct Answer: D) Auxin causes cells that are on the dark side to grow faster. 6. Butterflies are being attracted by Nectar in Flower.This is the example for ..... This is an example of the plant ..... app. A) Thigmotropism tactile app. B) Chemo Tropism Chemical app. C) Both both. D) Light Tropism Light app. Show Answer Correct Answer: B) Chemo Tropism Chemical app. 7. What is the role of neurotransmitters in the nervous system? A) To transmit signals across synapses. B) To protect neurons. C) To speed up nerve impulses. D) To generate electrical impulses. Show Answer Correct Answer: A) To transmit signals across synapses. 8. Which nerves arise from the brain and emerges through the skull A) Cranial nerves. B) Lumbar nerves. C) Spinal nerves. D) Thoracic nerves. Show Answer Correct Answer: A) Cranial nerves. 9. What does rooting hormone powder do? A) Encourages growth of roots. B) Encourages growth of flowers. C) Encourages growth of stems. D) Inhibits growth of roots. Show Answer Correct Answer: A) Encourages growth of roots. 10. Phyto Harmones That Removes Seed Dormancy ..... Name of Faito Hormones A) Cy Tokito Cytokinin. B) Axin Auxin. C) Gibberellin Gibberlin. D) Etelene Itinlin. Show Answer Correct Answer: C) Gibberellin Gibberlin. 11. Roots of plants are: A) Positively geotropic. B) Negatively geotropic. C) Positively phototropic. D) None of these. Show Answer Correct Answer: A) Positively geotropic. 12. Gas Releases From Ripened Fruits ..... A) Ethene Ethan. B) Asetaline acetylin. C) Etelene ethylene. D) Ally he ab. All of the above. Show Answer Correct Answer: C) Etelene ethylene. 13. The following is not the part of the part of the part of the part ..... A) Myline sheath. B) Dendrite Dendright. C) AXON EXON. D) Synapse nervous negotiation. E) Cyton cell body. Show Answer Correct Answer: D) Synapse nervous negotiation. 14. Which of the following statements is the best to explain the need for homeostasis to the organism? A) Avoid sudden death. B) Maintain constant body temperature. C) Ensure that all enzymes involved in chemical reactions work well. D) Provides optimum internal environment for efficient metabolic activity. Show Answer Correct Answer: D) Provides optimum internal environment for efficient metabolic activity. 15. Where does urea enter the blood? A) Small intestine. B) Kidney. C) Spleen. D) Liver. Show Answer Correct Answer: D) Liver. 16. Iodine is necessary for the synthesis of which of the following hormone? A) Auxin. B) Thyroxine. C) Adrenaline. D) Insulin. Show Answer Correct Answer: B) Thyroxine. 17. Thinking part of brain is A) Hind brain. B) Fore brain. C) Mid brain. D) Hypothalamus. Show Answer Correct Answer: B) Fore brain. 18. Which of the following plant part exhibits negative phototropism A) Leaves. B) Branch. C) Non of this. D) Root. Show Answer Correct Answer: D) Root. 19. Which of the following is NOT a part of the neuron? A) Cerebrum. B) Cell body. C) Dendrite. D) Axon. Show Answer Correct Answer: A) Cerebrum. 20. The following changes were observed when the dog removed the pancreas from the body. A) Decreasing the size of glycogen in blood in glycogen in glycogen in decreased levels. B) Decrease in blood glucose size in glucose in glucose. C) Increased levels of glycogen in blood in blood. D) Increased levels of glucose in blood. Show Answer Correct Answer: D) Increased levels of glucose in blood. 21. What is the main function of the medulla oblongata in the human brain? A) Regulating heart rate and breathing. B) Processing visual information. C) Controlling voluntary movements. D) Storing memories. Show Answer Correct Answer: A) Regulating heart rate and breathing. 22. What is the corrective mechanism occurred when body temperature decrease from the normal? A) Blood vessels will contract. B) Sweating. C) The skeletal muscles are not active. D) Hair bends. Show Answer Correct Answer: A) Blood vessels will contract. 23. The motion in plants that do not comply with the direction of the wife ..... A) Tropic Movements App Motions. B) Nastic movement my stick motion. C) Both both. D) Thigmo Tropism. Show Answer Correct Answer: B) Nastic movement my stick motion. 24. The highest coordinating center in the human body is A) Brain. B) Heart. C) Kidney. D) Spinal cord. Show Answer Correct Answer: A) Brain. 25. Harms that increase the length of the cells are nasal A) Gibberellins. B) Abscisic acid. C) Cytokinin. D) Auxin. Show Answer Correct Answer: D) Auxin. 26. A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called A) Axon. B) Synapse. C) Dendrites. D) Neurotransmitter. Show Answer Correct Answer: B) Synapse. 27. The growth of a pollen tube towards the ovule is caused by ..... A) Chemotropism. B) Hydrotropism. C) Thigmotropism. D) Phototropism. Show Answer Correct Answer: A) Chemotropism. 28. 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. 29. Spinal cord originates from A) Pons. B) Medulla. C) Cerebellum. D) Cerebrum. Show Answer Correct Answer: B) Medulla. 30. In a neuron, conversion of electrical signal to a chemical signal occurs at/in A) Axon terminal. B) Cell body. C) Axon. D) Dendritic end. Show Answer Correct Answer: A) Axon terminal. 31. 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. 32. Part of the brain responsible for hearing is A) Hypothalamus. B) Cerebrum. C) Cerebellum. D) Medulla. Show Answer Correct Answer: B) Cerebrum. 33. 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. 34. What role do neurotransmitters play in the nervous system? A) Store genetic information. B) Transmit signals across synapses. C) Provide energy to neurons. D) Protect neurons from damage. Show Answer Correct Answer: B) Transmit signals across synapses. 35. 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. 36. 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. 37. 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. 38. How does the body respond to a sudden increase in temperature? A) Decreasing blood flow to the skin. B) Increasing heart rate. C) Sweating to cool down. D) Shivering to generate heat. Show Answer Correct Answer: C) Sweating to cool down. 39. Junctions of two neurons in called? A) B) Synapsis. B) D) Junction. C) Ans. a) Synapse. D) C) Joint. E) A) Synapse. Show Answer Correct Answer: E) A) Synapse. 40. What is NOT an example of an coordination centre A) Spine. B) Brain. C) Pancreas. D) Heart. Show Answer Correct Answer: D) Heart. 41. What is the primary function of the myelin sheath in the nervous system? A) To insulate nerve fibers. B) To connect neurons. C) To produce neurotransmitters. D) To transmit electrical signals. Show Answer Correct Answer: A) To insulate nerve fibers. 42. What is the gap between two neurons called? A) Myelin sheath. B) Conclusion. C) Dendrite. D) Axon. Show Answer Correct Answer: B) Conclusion. 43. Which cell relays messages from one tissue to another? A) Neuron. B) Tissue. C) Red Blood Cell-RBC. D) White Blood Cell-WBC. Show Answer Correct Answer: A) Neuron. 44. 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. 45. Which of the following helps in maintaining posture and balance of human body? A) Marrow oblongata. B) Cerebellum. C) Pons. D) Cerebrum. Show Answer Correct Answer: B) Cerebellum. 46. 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. 47. 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. 48. 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. 49. The neurons that conduct information towards the CNS are ..... answer choices A) Sensory neurons. B) Motor neurons. C) Interneurons. D) Efferent neurons. Show Answer Correct Answer: A) Sensory neurons. 50. Auxins Were Firs TCOINED BY ..... A) Charles Darwin Charles Darwin. B) Johnson Jansen. C) FW went. D) Francis Darwin Francis Darwin. Show Answer Correct Answer: C) FW went. 51. Phyto Harmone Responsible For Prolongation Of Seed Dormancy ..... A) ABA. B) Auxin Axin. C) Etheline Otherin. D) None is nothing. Show Answer Correct Answer: A) ABA. 52. In human, the number of cranial nerves is A) 26. B) 12. C) 24. D) 31. Show Answer Correct Answer: C) 24. 53. Which one of the endocrine glands is known as master gland? A) A) Pituitary. B) C) Thyroid. C) Ans. a) Pituitary. D) D) Parathyroid. E) B) Adrenal. Show Answer Correct Answer: A) A) Pituitary. 54. Nastic Movements and ..... Are Responses Shown in Plants.Nasty motion and ..... natural reactions found in plants. A) Chemicals chemicals. B) Tropic Movements App Motions. C) Both both. D) None of the above. Show Answer Correct Answer: B) Tropic Movements App Motions. 55. Centre for regulating body temperature is A) Medulla. B) Pons. C) Hypothalamus. D) Cerebellum. Show Answer Correct Answer: C) Hypothalamus. 56. Which of the following helps in the homeostasis control process? A) P, Q and R only. B) P, R and S only. C) Q, R and S only. D) P, Q, R and S. Show Answer Correct Answer: D) P, Q, R and S. 57. Which part of the neuron receives information from the environment? A) Cell body. B) Dendrite. C) Axon. D) Conclusion. Show Answer Correct Answer: B) Dendrite. 58. Which hormone helps cells to grow longer in response to light? A) Cytokinins. B) Gibberellins. C) Ethylene. D) Auxin. Show Answer Correct Answer: D) Auxin. 59. The Chemical Secreted By Stigma Enables The Pollen to Settle on.The action of the chemical is known ..... A) Thigmo tropism tactile app. B) Chemo Tropism Chemical app. C) Both both. D) Hydro Tropism Hydro App. Show Answer Correct Answer: B) Chemo Tropism Chemical app. 60. Stimuli means ..... stimulus means ..... A) Danger from Environt's danger. B) Sudden Change in Environment. C) Both both. D) Command Delivered by Brain. Show Answer Correct Answer: B) Sudden Change in Environment. Next →Related QuizzesScience QuizzesClass 10 QuizzesClass 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 4Class 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