MCQ questions for class 10 Science Chapter 7 Control and Coordination
Question 1: What is the main coordinating center in the human body?
Brain
Spinal cord
Nerves
Hormones
Question 2: Which part of the brain controls involuntary actions such as heartbeat and breathing?
Cerebrum
Medulla oblongata
Cerebellum
Hypothalamus
Question 3: The chemical messengers produced by endocrine glands are called:
Hormones
Neurotransmitters
Enzymes
Antibodies
Question 4: Which of the following is responsible for the fight or flight response?
Adrenaline
Insulin
Thyroxine
Estrogen
Question 5: The gap between two neurons is called:
Synapse
Axon
Dendrite
Myelin sheath
Question 6: Which hormone is responsible for the development of secondary sexual characters in males?
Testosterone
Estrogen
Progesterone
Prolactin
Question 7: The hormone insulin is produced by which organ?
Pancreas
Liver
Kidneys
Stomach
Question 8: Which part of the eye is responsible for adjusting the focal length of the lens?
Cornea
Retina
Ciliary muscles
Iris
Question 9: What is the role of the eardrum in the ear?
Amplify sound waves
Convert sound waves to electrical signals
Protect the inner ear
Regulate balance
Question 10: Which part of the brain is associated with the regulation of body temperature and water balance?
Hypothalamus
Medulla oblongata
Cerebellum
Pituitary gland
Question 11: The involuntary muscles responsible for peristalsis are found in which organ?
Stomach
Small intestine
Large intestine
Esophagus
Question 12: Which hormone is responsible for the regulation of calcium levels in the blood?
Insulin
Thyroxine
Parathyroid hormone
Adrenaline
Question 13: The sense of smell is associated with which part of the brain?
Cerebrum
Medulla oblongata
Cerebellum
Olfactory lobe
Question 14: Which of the following is a part of the central nervous system?
Spinal nerves
Cranial nerves
Peripheral nerves
Brain and spinal cord
Question 15: The hormone oxytocin is associated with:
Childbirth and lactation
Growth and development
Metabolism
Sleep-wake cycle
Question 16: Which part of the brain is responsible for the coordination of voluntary muscle movements?
Cerebrum
Medulla oblongata
Cerebellum
Thalamus
Question 17: The reflex action of closing the eyes when an object comes towards them is controlled by which nerve?
Optic nerve
Sciatic nerve
Vagus nerve
Cranial nerve
Question 18: Which of the following is a sensory organ for hearing?
Tongue
Nose
Skin
Ear
Question 19: Which of the following is a plant hormone responsible for cell elongation and cell division?
Auxin
Gibberellin
Cytokinin
Abscisic acid
Question 20: Which of the following is a disorder of the nervous system characterized by recurrent seizures?
Epilepsy
Diabetes
Asthma
Arthritis
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