A specific place in an ecosystem, where an organism lives and performs its functions is _____.

(a)

habitat

(b)

niche

(c)

landscape

(d)

biome

Which of the given plant produces cardiac glycosides?

(a)

Calotropis

(b)

Acacia

(c)

Nepenthes

(d)

Utricularia

In soil water available for plants is ____.

(a)

gravitational water

(b)

chemically bound water

(c)

capillary water

(d)

hygroscopic water

Ophrys an orchid resembling the female of an insect so as to able to get pollinated is due to phenomenon of ______.

(a)

Myrmecophily

(b)

Ecological equivalents

(c)

Mimicry

(d)

None of these

Pedogenesis refers to _____.

(a)

Fossils

(b)

Water

(c)

Population

(d)

Soil

Strong, sharp spines that get attached to animal’s feet are found in the fruits of ______.

(a)

Argemone

(b)

Ecballium

(c)

Heritier

(d)

Crossandra

Sticky glands of Boerhaavia and Cleome support _______.

(a)

Anemochory

(b)

Zoochory

(c)

Autochory

(d)

Hydrochory

The surface features of earth are called _________.

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Topography

Amensalism is called as__________.

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Antibiosis

______________ is the transition zone between two ecosystems.

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Ecotone

Wasps is the fruits of fig is an example for _________ type of species interaction

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Mutualism

Plants in sandy soils are commonly called as ____________.

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Psammophytes

Parental bedrock

(1)

+,+

Mutualism

(2)

R-Horizon

Predation

(3)

-,-

Competition

(4)

-.0

Amensalism

(5)

+,-

Define ecology.

Distinguish habitat and niche

What is Phytoremediation ?

Soil formation can be initiated by biological organisms. Explain how?

Describe the mutual relationship between the fig and wasp and comment on the phenomenon that operates in this relationship.

What is mutualism? Mention any two example where the organisms involved are commercially exploited in modern agriculture.

List any two adaptive features evolved in parasites enabling them to live successfully on their host?

Water is very essential for life. Write any three features for plants which enable them to survive in water scarce environment.

What is vivipary? Name a plant group which exhibits vivipary.

What is myrmecophily?

What is seed ball?

Explain different types of hydrophytes with examples.