The minimum number of components required for an ecosystem to survive:
A.Producer and primary consumer
B.Producer and decomposer
C.Primary consumer and decomposer
D.Primary and secondary consumer
E.Producer and secondary consumer
Category: Agriculture Engineering Mcqs
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The total number of rings on piston may vary from:
A.2 ? 4
B.3 ? 5
C.3 ? 7
D.2 ? 7
Phytochrome is found in:
A.Algae
B.Fungi
C.Gymnosperms
D.Angiosperms
Micro organisms were first observed by:
A.John Tyndall
B.L.J. Thernard
C.Antony Van Leeuwenhock
D.Louis Pasteur
Among the fruits, lemon, apple, plum have been placed in the _____ salt tolerance group.
A.High
B.Low
C.Medium
D.None of these
Date palm is:
A.Monoecious
B.Dioecious
C.Polygamous
D.None of the above
The most sensitive stages of sunflower to water stress lie between:
A.Germination and seedling
B.Germination and flowering
C.Seedling and flowering
D.Flowering and grain filling
Fuel pump used in carburetor engines is:
A.Fuel injection pump
B.Centrifugal pump
C.Gasoline pump
D.None of these
The non-green plants are as important as the green plants because they:
A.Cause human disease
B.Cause diseases of other plants
C.Are useful in several industries
D.Bring about decomposition of dead animals and plant remains
_______ of the NH4+ in a region of alkaline microsite helps to restore the conditions suitable for the normal conversion of NO2- to NO3-
A.Diffusion
B.Dilution
C.Both (a) & (b)
D.None of these
