In hydrophytes...

In hydrophytes

A

Root system is well develped

B

Vascular system is poorly developed

C

Root system is poorly developed

D

Vascular system is poorly developed.

Text Solution

Verified by Experts

The correct Answer is:

C

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Name any two free floating hydrophytes .

Give two examples each of the following : (i) Ephemerals (drought escapers) (ii) Succulents (drought resistants) (iii) Free floating hydrophytes (iv) Submerged floating hydrophytes (v) Mangrove plants

Knowledge Check

Assertion : Many hydrophytes lack roots . Reason : Roots are used for balancing .

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 but R is false .

D

If both A and R are are false .

Consider the following statements A. Stomata are completely absent in hydrophytes. B. In hydrophytes, vasuclar bundles always have bundle sheaths. C. Proline helps in maintaing osmotic and water potentila in xerophytes. Which of the statements given above is/are correct ?

A

A only

B

B only

C

Both A and C

D

C only

Identify the correct pair combinations (i) Chara - Monosporous - Chlorophyll a, b (ii) Salvinia - Homosporous - Free floating hydrophytes (iii) Ectocarpus- Filamentous form - Chlorophyll a, d Laminaria - Biflagellate gametes - Haplodiplontic lifecycle

A

(ii), (iii)

B

(i), (iv)

C

(i), (iii)

D

(iii), (iv).

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Petioles are inflated in floating hydrophytes

Characteristic of hydrophytes is

In submergd hydrophytes, the stomata occur

Which is not true of hydrophytes ?

In submerged hydrophytes the stomata occur

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