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(i) Arun playing in the garden. Suddenly...

(i) Arun playing in the garden. Suddenly he saw a dragon fly sitting on a plant. He observed the wings of it. He though it looked similar to a wing of a crow. Is he correct? Give reason for your answer.
(ii) A breeder wishes to incorporate disirable characters into the crop plants. prepare a list of characters he will incorporate.

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Arun was playing in the garden. Suddenly he saw a dragon fly sitting on a plant. He observed the wings of it. He thought in looked similar to a wing of a crow. Is he correcct? Give reason for your answer.

A breeder wishes to incorporate desirable characters into the crop plants.Prepare a list of charaters he will incorporate.

Ramu cultivated pea plants as an inter crop in his paddy field. After harvesting, he allowed the roots of the pea plants remain in the soil for some period. a. Is the action of Ramu reasonable? b. Justify your answer.

SURA PUBLICATION-HALF YEARLY MODEL QUESTION PAPER-Subjective Questions
  1. A plant hormone was first discovered in Japan when rice plant were suf...

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  2. A pure tall plant (TT)is crossed with pure dwarf plant (tt),What would...

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  3. (i) Arun playing in the garden. Suddenly he saw a dragon fly sitting o...

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  4. (i) What are the concepts prepared by Galileo? (ii) List any five pr...

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  5. (i) What is Transpiration? Give the importance of transpiration. (ii...

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  6. Illustrate the structure and functions of brain.

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  7. While catching a cricket ball the fielder lowers his hands backwards. ...

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  8. What is a neurotransmitter?

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  9. Why did Mendel select pea plant for this experiments?

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  10. What are transgenic organisms?

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  11. Explain the construction of Simple Microscope.

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  12. (i) Write characteristic features of heat energy transfer. (ii) What...

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  13. (i) Measurement of atomic mass of an element is very difficult? Give r...

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  14. (i) Give an example each (i) gas in liquid, (ii) liquid, (iii) solid i...

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  15. Write the differences between endocrine and exocrine gland.

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  16. (i) Write a note on euploidy. (ii) What would happen if the habitat ...

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  17. (i) What is metastasis? (ii) Solar energy is renewable energy. How?

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  18. Write the physiological effects of gibberellins.

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  19. At 10^(@)C, how for away is a reflecting surface if you hear an echo i...

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  20. (i) State the universal law of gravitation and derive its mathematical...

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