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241.

Auteceology is related to the study of:

A.	Plant community	B.	Environment
C.	A species	D.	Radiation

242.

A branch of ecology which is concerned with the study of individual species at all stages of its life cycle in relation to environment is called:

A.	Reproductive ecology	B.	Autecology
C.	Synecology	D.	Ecological niche

243.

Mullerian mimcry is useful to:

A.	Mimic only	B.	Model only
C.	Both (a) & (b)	D.	Either of these

244.

Autecology refers to:

A.	Plant ecology	B.	Animal ecology
C.	Ecological study of individual species	D.	Ecological study of group of species, which is grown together

245.

Plants and animals living in a particular area consitute:

A.	Flora and fauna	B.	Community
C.	Ecosystem	D.	Ecology

246.

Root cap is absent in:

A.	Lithophytes	B.	Xerophytes
C.	Hydrophytes	D.	Mesophyte

247.

The factors governing the structure of soil are called:

A.	Topographic	B.	Temperature
C.	Biotic	D.	Edaphic climax

248.

Commensalism is:

A.	When both partners are harmed	B.	When both partners are benefited
C.	When weaker partner is benefited and the stronger is unharmed	D.	None of these

249.

The plants which can withstand narrow range of temperature tolerance:

A.	Stenothermic	B.	Eurythermic
C.	Monothermic	D.	Mesothermic

250.

The plants present on the sand and gravel:

A.	Lithophytes	B.	Oxalophytes
C.	Phancrophytes	D.	Psammophytes