A. One
B. Two
C. Three
D. Four
Related Mcqs:
- Food chains are met with only in the:
A. Sea
B. Forests
C. Deserts
D. In all these places - Short and simple food chains are rare in the world and may be found in simple ecosystems like:
A. Savanna
B. Tundra
C. Grassland
D. Desert - The ration of food energy assimilated to the food energy ingested is called:
A. Trophic level efficiency
B. Photosynthetic efficiency
C. Net production efficiency
D. Assimilation efficiency - Mr. X is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying:
A. First trophic level
B. Second trophic level
C. Third trophic level
D. Fourth trophic level - The major kinds of rotation are:
A. Physical
B. Silvicultural
C. Technical
D. Rotation of the greatest volume production
E. All of the above - The kinds of measurements in forest mensuration:
A. Cut/felled material
B. Individual trees
C. Crop or stand
D. Standing tree
E. All of the above - Kinds of volume tables is / are:
A. General Volume tables
B. Local Volume Tables
C. Form Quotient Volume Tables
D. All of the above - Several kinds of minor forest produce are available from the forested areas; these include _________
A. Flosses, medicinal plants
B. Gums, essential oils rosin and turpentine tannins
C. Silk and lack production
D. All of the above - What are kinds of frost injuries?
A. Frost rings: are dark brownish lines within the growth rings as a result of injury to the cambium due to the heavy frost
B. Frost cracks: to the very much low temperature, the cracks appear at the basal portion of old trees
C. Both (a) & (b)
D. None of these - The kinds of time preference are:
A. Individual time preference
B. Social time preference
C. Both (a) & (b)
D. None of these