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What is incorrect for companion cell?...

What is incorrect for companion cell?

A

It is specialised parenchymatous cell

B

It helps in maintaining the pressure gradient in the sieve tubes

C

It does not retain nucleus throughout the life

D

It is absent in gymnosperms

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AAKASH INSTITUTE ENGLISH-TEST 3-EXERCISE
  1. Which one is odd regarding endospermic seeds?

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  2. In maize seed, the outer covering of andosperm separates the embryo by...

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  3. What is incorrect for companion cell?

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  4. Exarch type of arrangement of primary xylem is seen in

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  5. Select incorrect feature(s) from (a)-(c) regarding collenchyma tissue....

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  6. Tricarpellary, syncarpous, trilocular, superior ovary with axile place...

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  7. Example of mutual relationship.

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  8. In litchi (Litchi chinensis), edible part is (a) Fleshy mesocarp (b)...

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  9. Choose the Incorrect match

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  10. Read the following statements and choose the correct option. Statem...

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  11. State true (T) or false (F) to the given statements and select the cor...

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  12. Endodermis of dicot stem is also called

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  13. Supporting roots of maize stem, which arise from the lower nodes are c...

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  14. In vexillary aestivation, keel represents (a) The largest posterior pe...

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  15. Pulvinus is (a) Swollen leaf base (b) Cylindrical stalk that joins t...

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  16. Which one is the incorrect match?

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  17. Match the following columns and select the correct option.

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  18. Which of the following characters is/are related to isobilateral leaf?...

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  19. Laternal meristem may be

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  20. The C((5))^frownA5 condition is found in the floral formula or family

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