CONTROL AND COORDINATION - 5
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Q.1. Which of the following are often called glands of emergency ? *
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Q.2. The use of iodised salt is recommended to prevent : *
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Q.3. The endocrine gland whose malfunctioning causes diabetes disease is : *
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Q.4. The underactive endocrine gland which causes goitre is : *
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Q.5. The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is : *
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Q.6. The contraction of pupil of the eye in the presence of bright light is an example of : *
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Q.7. The olfactory receptors in humans are located in : *
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Q.8. The gustatory receptors of our body are in one of the following organs. This organ is : *
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Q.9. Which of the following statements are true ?  (i) sudden action in response to something in the environment is called reflex action   (ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action    (iii) motor neurons carry signals from receptors to spinal cord in a reflex action   (iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action *
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Q.10. In a neuron, the conversion of electrical signal to a chemical signal occurs at/in : *
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