1.

Hormones are chemical substances secreted in very small amounts by specialized tissues in the body called endocrine glands. These hormones coordinate the activities of living organisms and also their growth. Hormones are made inside the body of an organism in very small amounts. They are secreted in small amounts by the endocrine glands and are poured directly into the blood and carried throughout the body by blood circulatory system. The hormones have their effect at the sites different from the sites where they are made. They act on specific tissues or organs. Now, answer the following questions:1. The hormones act on specific organs is called _______.(i) Target glands(ii) Harmonal tissues(iii) Target organs(iv) None of the above2. State true or false: The hormones are secreted in large amounts by the endocrine glands.(i) TRUE(ii) FALSE3. State true or false: The hormones coordinate the activities of the body.(i) TRUE(ii) FALSE4. The hormones have their effect at the sites different from the sites where they are made. So, they are also called ________.(i) Physical messengers(ii) Chemical messengers(iii) Thermal messengers(iv) None of the above5. State true or false: Hormones are the chemical substances which coordinate the activities of liHing organisms and also their growth.(i) TRUE(ii) FALSE

Answer»

1. (iii) Target organs

2 (ii) False

3. (i) TRUE

4. (ii) Chemical messangers

5. (i) TRUE



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