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Close your eyes and try to identify diff...

Close your eyes and try to identify different objects by feeling them with your hand. Why is it possible for you to identify things like a note-book, text-book, bench, compass-box, etc. only by touching them?

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Try this. i. Try to read a book keeping it very far from your eyes. ii. Try to read a book keeping it very close to your eyes. iii. Try to read a book keeping it at a distance of 25 cm from your eyes. At which time you see the alphabets clearly? Why?

CHETANA PUBLICATION-INTRODUCTION TO BIOTECHNOLOGY -EXERCISE
  1. Close your eyes and try to identify different objects by feeling them ...

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  2. Protective coverings in the animal body are called .................. ...

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  3. Epithelial tissue is present in ..................... skin inner su...

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  4. .............. helps in secretion of digestive juice, absorption of nu...

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  5. ............. supports internal organs. Areolar tissue Adipose tiss...

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  6. .............. tissue helps in insulation, supply of energy, storage o...

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  7. ................... connect muscles to bones. Ligaments Tendons C...

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  8. How are the bones in our body joined to each other?

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  9. ................. meristem increases the length of root and stem. Int...

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  10. ................. showed that cells and tissues can be grown ex vivo. ...

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  11. .................. is an example of genetically modified maize.

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  12. .................... is an exotic variety of cow. Holstein Gir Sa...

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  13. ............ is a layer chicken. Brahma Leghorn Cochin Aseel

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  14. ............ is a broiler chicken. Leghorn Lehman Aseel Minorca

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  15. .............. is a broiler chicken. Minroca Ancona Leghorn Coc...

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  16. Cartilage is found........ all around the cells in body in nose, ea...

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  17. Which of the following is an exotic variety of cow? Plymouth Rock N...

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  18. ................ epithelium is present in the inner suface of respirat...

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  19. Bones consist of osteocytes embedded in solid ground substance made up...

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  20. ................... helps in growth of branches, formation of leaves a...

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  21. ................. tissue is present in the hard coat of seeds, outer c...

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