D:-Average monthly rainfall for August computed from past specific 30 year's
record

Correct Answer:- Option-D

Question27:-Contour bunds are recommended as a soil and water conservation
measure for areas having

A:-Low rainfall and land slope more than 10 per cent
B:-Low rainfall and land slope less than 6 per cent
C:-High rainfall and land slope more than 10 per cent
D:-High rainfall and land slope less than 10 per cent
Correct Answer:- Option-B

Question28:-Large-scale forest cutting generally lead to
A:-Decreases stream flow permanently
B:-Increases stream flow initially
C:-Brings about no change in net stream flow
D:-Increases evapotranspiration
Correct Answer:- Option-B

Question29:-Which of the following statement is/are correct about seed collection in
forest?

(i) | Seeds collection from the isolated trees of naturally cross-pollinating species
are avoided.

(ii) Seed trees to be less than 50 mtrs. apart for seed collection.

(iii) Collections from superior phenotypes if made should be kept separately.

A:-Only (i) and (ii)
B:-Only (ii) and (iii)
C:-Only (i) and (iii)
D:-All of the above
Correct Answer:- Option-C
Question30:-Smallest seed in forest trees of Kerala given below is
A:-Anogeissus latifolia
B:-Adina cordifolia
C:-Neolamarkia cadamba
D:-Bridelia retusa
Correct Answer:- Option-B
Question31:-Seed processing involves all the processes beginning from
A:-Fruit harvesting to long term storage
B:-Seed extraction to seed sowing
C:-Fruit harvesting to seed grading
D:-None