Arrange the correct sequence of ecological hierarchy starting from lower to higher level.

(a)

Individual organism → Population Landscape → Ecosystem

(b)

Landscape → Ecosystem → Biome → Biosphere

(c)

community → Ecosystem → Landscape → Biome

(d)

Population → organism → Biome → Landscape

Which of the given plant produces cardiac glycosides?

(a)

Calotropis

(b)

Acacia

(c)

Nepenthes

(d)

Utricularia

Read the given statements and select the correct option.
Statement A : Cattle do not graze on weeds of Calotropis.
Statement B : Calotropis have thorns and spines, as defense against herbivores.

(a)

Both statements A and B are incorrect.

(b)

Statement A is correct but statement B is incorrect

(c)

Both statements A and B are correct but statement B is not the correct explanation of statement A.

(d)

Both statements A and B are correct and statement B is the correct explanation of statement A.

Read the following statements and fill up the blanks with correct option.
i) Total soil water content in soil is called ______
ii) Soil water not available to plants is called _______
iii) Soil water available to plants is called _____.

(a)

(i)	(ii)	(iii)
Holard	Echard	Chresard

(b)

i	ii	iii
Echard	Holard	Chresard

(c)

i	ii	iii
Chresard	Echard	Holard

(d)

i	ii	iii
Holard	Chresard	Echard

The plant of this group are adapted to live partly in water and partly above substratum and free from water ______.

(a)

Xerophytes

(b)

Mesophytes

(c)

Hydrophytes

(d)

Halophytes

Sticky glands of Boerhaavia and Cleome support _______.

(a)

Anemochory

(b)

Zoochory

(c)

Autochory

(d)

Hydrochory

Autoecology deals with the study of ___________.

(a)

Community

(b)

Population

(c)

Individual species

(d)

Niche of species

The study of soil is called as __________

(a)

Lithotripsy

(b)

Lithosphere

(c)

Pedology

(d)

Pedigree analysis

Statement 1: Ephemerals are drought evaders.
Statement 2: They are not true xerophytes.

(a)

Statement 1 is correct. Statement 2 is incorrect.

(b)

Statement 1 is incorrect. Statement 2 is correct.

(c)

Both the statements are correct.

(d)

Both the statements are incorrect

Utricularia is a __________.

(a)

Rooted floating hydrophyte

(b)

Submerged floating hydrophyte

(c)

Rooted submerged hydrophyte

(d)

Amphibious hydrophyte