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[A]: Trichomes may occur on all parts of...

[A]: Trichomes may occur on all parts of a plant.
[R]: Trichomes either persist throughout the life of an organ or are ephemeral

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
B
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Water and dissolved minerals get into the root hair of a plant by a process called A and enter the conducting tissue B. The C helps the water and dissolved minerals to move up through the tissue B in roots and stem, and reach the leaves of a plant. In the leaves food is made by a process D. This food is then transported to all the parts of a plant through tissue E. The process of distributing food made in the leaves to all the parts of the plant is called F. (a) What are (i) A (ii) B (iii) C (iv) E, and (iv) F ? (b) Which tissue is made up of living cells : B or E ? (c) Name one substance (other than oxygen) which is transported by tissue A in the human body. (d) Which two components of tissue A are the cells without nucleus ? (e) Name any two organisms (animals) which do not have liquid like A in their body.

Name the 10-step pathway which occurs in all living organisms (aerobes and anaerobes) without without the help of oxygen. In which part of the cell does it occur ?

The characteristic of Vertebrata are I. high degree of cephalisation is seen in the group. II. Coelom is well-devoloped and of enterocoelous type. III. Cranial nerves either 8,10or 12 pairs. IV. Notochord is seen throughout the life of all animals.

TRUEMAN BIOLOGY-Plant Morphology & Reproduction -ASSERTION AND REASON
  1. [A]: The inner most distinict layer of the cortex is called endomermi...

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  2. [A]: Gramineoos type of stomata are found in Gramineae and Cyperaceae....

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  3. [A]: lntercellular spaces are found in mer-isematic cells (R]: The m...

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  4. [A]: Monocot stem has collateral open vascu- lar bundle. [R]: Open ...

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  5. [A]: Root system in hydrophytes is poorly de- veloped. [R]: The con...

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  6. [A]: Aerenchyma is a characteristic of litho- phyte. [R]: It is a sp...

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  7. [A]: Protostele is most simple primitive type of stele. [R]: Accordi...

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  8. [A]: Rubber is obtained from the latex of Hevea brasiliensis. [R]: B...

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  9. [A]: No fibres are found in plants. [R]: Xylem vessels are absent ...

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  10. [A]: Sclerenchyma cells are rarely found in plants. [R]: Sclerencym...

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  11. [A]: Hanstein's dermatogen is not eqyivalent to Haberlandt's Protoderm...

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  12. [A]: Trichomes may occur on all parts of a plant. [R]: Trichomes ei...

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  13. [A]: The vascular cambium is absent in monocots. [R]: The monocots ...

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  14. [A]: In the hydrophytes the Xylem is not differ- entiated into differe...

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  15. [A]: Dicot stem shows secondary growth. [R]: Tissue system is not d...

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  16. given below are assertion and reson. Point out if Assertion . In woo...

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  17. [A]: The inner most distinct layer of the cortex is called endodermis...

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  18. [A]: Sieve tube members have abundant cy- toplasm but there is no nucl...

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  19. Assertion : In collateral vascular bundles phloem is situated toward ...

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  20. [A]: Xylem translocates water and dissolved mineral salts from the roo...

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