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A transverse section of the truck of a t...

A transverse section of the truck of a tree shows concentric rings which are known as growth rings. How are these rings formed ? What is the significance of these rings ?

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PRADEEP-ANATOMY OF FLOWERING PLANTS-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS )
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  5. Sieve tubes in angiosperms are associated with specialised parenchyma ...

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  8. Below is a list of plant. From which part of the plant these are obtai...

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  9. Epidermal cells are often modified to perform specialised functions in...

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  10. What is the difference between fibres and sclereids in plant histology...

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  11. What do you mean by leptocentric and hadrocentric vascular bundle ? Ci...

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  12. What is collenchyma ? Explain its structure and function in plant body...

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  13. Describe the location of interfascicular cambium and formation of inte...

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  14. How many types of meristems are present in plants ? Explain them.

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  15. Fill in the blanks : (A) Each annual ring corresponds to the growth ...

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  16. (A) What are Casparian strips and what is their function ? (B) Defi...

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  17. Write the precise function of (a) sieve tube (b) interfascicular c...

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  18. The stomatal pore is guarded by two kidney shaped guard cells. Name th...

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  19. A transverse section of the truck of a tree shows concentric rings whi...

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  20. Point out the differences in the anatom of leaf of peepal (Ficus relig...

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