Adaptive Features

IMPORTANT

Adaptive Features: Overview

This topic covers concepts, such as, Adaptations, Adaptations in Xerophytes & Adaptations in Hydrophytes etc.

Important Questions on Adaptive Features

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Biology>Variation and Natural Selection>Adaptive Features> Q 1

What are some examples of human adaptations?

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Biology>Variation and Natural Selection>Adaptive Features> Q 2

List the characteristic features of hydrophytes.

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Biology>Variation and Natural Selection>Adaptive Features> Q 3

List the characteristic features of xerophytes.

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Biology>Variation and Natural Selection>Adaptive Features> Q 4

Ephemerals are plants that are mostly found in dry zones and complete their life cycle within a very short span.

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Biology>Variation and Natural Selection>Adaptive Features> Q 5

In Eichhornia, the root caps are replaced by:

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Biology>Variation and Natural Selection>Adaptive Features> Q 6

Vallisneria is example of an_____.

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Biology>Variation and Natural Selection>Adaptive Features> Q 7

In hydrophytes, the root caps are replaced by:

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Biology>Variation and Natural Selection>Adaptive Features> Q 8

Identify a combination of ecological adaptations in xerophytes.

I. Cuticle is totally absent.

I. Hypostomatous and sunken stomata in some plants.

III. Root caps are usually absent.

IV. Well developed root caps.

The correct pair is

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Biology>Variation and Natural Selection>Adaptive Features> Q 9

Identify the plants respectively based on the characters.
I) Roots fixed with mud with long petiole.
II) Lives partly in water and partly in air.
III) Annual, found in dry zones, complete its life cycle within short period.
IV) Root hairs and caps are well developed.

A) Typha
B) Tribulus
C) Casuarina
D) Victoria regia
E) Hydrilla

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Biology>Variation and Natural Selection>Adaptive Features> Q 10

Features or habits that help an organism to live in its habitat.