CSS :: Forestry Environment

@ : Home > Forestry > Forestry Environment

71.

Relationship between nitrogen fixing bacteria and a legume plant is described as:

A.	Mutualistic	B.	Parasitic
C.	Saprophytic	D.	Commensal

72.

Commensalism is a relationship between two organism in which:

A.	One is benefitted, other remains unaffected	B.	One is benefitted, other remains unaffected
C.	Both are benefitted	D.	Both are unaffected

73.

Proximity of water level at low depths of soils results in development of:

A.	No roots at all	B.	Curved roots
C.	Long roots	D.	Shallow roots

74.

The migration of locuats corresponds to:

A.	Periodic magration	B.	Long distance migration
C.	Short distance migration	D.	None of these

75.

Which adaptation is seen in the leaf insect?

A.	Migration	B.	Camouflaging
C.	Batesion mimicry	D.	Mullerian mimicry

76.

Symbiois means:

A.	Harmful relationship of two organisms	B.	A process advantageous to algae
C.	Living together	D.	Phenomenon useful to fungi

77.

The first plants to reappear in a badly burnt forest area will most probably be:

A.	Mosses	B.	Liverworts
C.	Ferns	D.	Grasses

78.

When one organism is benefited without affecting the other, it is called:

A.	Parasitism	B.	Commensalism
C.	Saprophytism	D.	Symbiosis

79.

Phytotron is the device through which :

A.	Electrons are bombarded	B.	Plants are grown in controlled environment
C.	Mutations are produced plants	D.	True breeding plants are produced

80.

The term 'ethology' was coined by:

A.	Reiter	B.	Haeckel
C.	Warming	D.	Hilaire