Ecology is the study of an individual species is called
i) Community ecology
ii) Autecology
iii) Species ecology
iv) Synecology

(a)

 i only

(b)

ii only 

(c)

 i and iv only

(d)

ii and iii only

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

(a)

habitat

(b)

niche

(c)

landscape

(d)

biome

Read the given statements and select the correct option.
i) Hydrophytes possess aerenchyma to support themselves in water.
ii) Seeds of Viscum are positively photoblastic as they germinate only in presence of light.
iii) Hygroscopic water is the only soil water available to roots of plant growing in soil as it is present inside the micropores.
iv) High temperature reduces use of water and solute absorption by roots

(a)

i, ii, and iii only

(b)

ii, iii and iv

(c)

ii and iii only

(d)

i and ii only

Which of the given plant produces cardiac glycosides?

(a)

Calotropis

(b)

Acacia

(c)

Nepenthes

(d)

Utricularia

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

(a)

Argemone

(b)

Ecballium

(c)

Heritier

(d)

Crossandra