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Lenticels and hydathodes are small pores...

Lenticels and hydathodes are small pores with following common attributes

A

they remain open

B

they allow exchange of gases

C

they always remain closed

D

they are found on the same organs of plants

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The correct Answer is:
A
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TRUEMAN BIOLOGY-TRANSPORT IN PLANTS-Multiple Choice Questions
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  2. Match the apparatus with function

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  3. Lenticels and hydathodes are small pores with following common attribu...

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  4. Epithem is

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  5. Epidermal cells containing chloraplasts are

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  6. Match the experiment listed under Column I with the aim of the experim...

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  7. The experiment set up shown in the following diagram is for

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  8. In which of the following plants , there will be no transpiration ?

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  9. Oozing out of water drops from injured edges or tips is

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  10. The following figure shows the stomatal apparatus . Identify the parts...

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  11. The given diagram is of

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  12. At the time of active growth ( formation of buds and flowers ) a part ...

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  13. For conducting girdling experiments

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  14. Organic substances such as sugars are translocated in the phloem. It c...

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  15. Munch's mass flow hypothesis explains

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  16. Loading of phloem is related to

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  17. Given below is a figure of solution A & B . Which of the follow...

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  18. Given below some properties of transport mechanism. Which of these ar...

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  19. Water potential in leaf tissue is 'positive' (near zore ) during

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  20. Most of the water lost by the plant through transpiration exist throug...

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