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Read the following sentences and compare...

Read the following sentences and compare with endocrine glands.
Pheromones are chemical substances secreted by organisms. These act as chemical signals secreted by exocrine glands. Pheromones are used as signals by the members of same species. Honeybee secretes pheromones that attract other bees to the location of food.

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  1. Read the following sentences and compare with endocrine glands. Pher...

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  2. Read the following table and answer the questions. 1. On what basis ...

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  3. Read the following table and answer the questions. 2. Which gland pr...

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  4. Read the following table and answer the questions. 3. What is the f...

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  5. Read the following table and answer the questions. 4. Write the full...

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  6. Read the passage and answer the following questions. Spinal cord exte...

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  7. Describe the structure of spinal cord.

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  8. Read the passage and answer the following questions. Spinal cord exte...

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  9. Which is related to the spinal cord of man?

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  10. Read the passage and answer the following. Movement of individual pa...

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  11. Read the passage and answer the following. Movement of individual pa...

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  12. Read the passage and answer the following. Movement of individual pa...

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  13. Read the passage and answer the following. Movement of individual pa...

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  14. The largest region of the brain is ……………………

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  15. A point of contact between two neurons is …………

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  16. …………… phytohormone is responsible for cell elongation and differentiat...

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  17. Thyroxine is responsible for …………

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  18. Gibberellins and auxins promote growth in plants while absciscic acid ...

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  19. Gibberellins and auxins promote growth in plants while absciscic acid ...

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  20. b) In a dwarf plant the branches have to be thickened one would use ……...

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  21. c) Seeds are to be stored a long time ………….. Hormone can help.

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