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Sanjay is sitting in the exam hall. Befo...

Sanjay is sitting in the exam hall. Before the start of the exam, he sweats a lot, with increased rate of heart beat. Why does this condition occur?

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  1. Raman went to a garden. He saw that the stem of the Banyan tree become...

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  2. (a) What is myelin sheath? (b) How are neurons classified based on f...

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  3. Sanjay is sitting in the exam hall. Before the start of the exam, he s...

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  4. Fermentation is a process applicable to Bakery and Breweries. What is ...

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  5. What causes the opening and closing of guard cells of stomata during t...

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  6. (a) What is diaphragm? (b) What is the significance of caecum in rab...

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  7. How does binary fission differ from multiple fission ?

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  8. Differentiate simple reflexes and conditional reflexes.

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  9. (a) What is imbibition? (b) Define pulse.

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  10. Write a note on crop.

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  11. Draw a diagram to show the location of Adrenal gland.

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  12. In a bisexual flower , the stamens have been removed .Is it p...

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  13. (i) Draw and label the structure of oxysomes. (ii) What is respirato...

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  14. Arjun is studying in tenth standard. He was down with fever and went t...

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  15. Where are estrogens produced? What is the role of estrogens in the hum...

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  16. Draw a transverse section of dicot leaf and label the parts .

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  17. Draw a Gynoecium and label the parts.

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  18. Differntiate between systemic circulationn and pulmonary circulat...

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

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  20. Once a person starts taking drugs or alcohol it is difficult to get ri...

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