Which of the following will not be a reason for afforestation?
Population pressure
Soil fertility conservation
Wildlife conservation
Prevention of natural hazard
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not a leguminous forage crop?
Centrosema pubescens
Panicum maximum
Stylosanthes gracilis
Pueraria phaseoloides
Correct answer is B
No explanation has been provided for this answer.
The following alkanols will yield alkanoic acids on reacting with excess acidified K2Cr2O7 except
CH3CH2OH
(CH3)2CHCH2OH
(CH3)3CCH2OH
(CH3)3COH
CH3CH2CH2CH2OH
Correct answer is D
option D is a tertiary alkanol. tertiary alkanols are resistant to oxidation so cannot react with excess acidified K2Cr2O7 to give any product.
To which of the following survey equipment is a piece of red cloth tied when it is being used?
Cross staff
Plumb bob
Gunter's chain
Arrow
Correct answer is D
No explanation has been provided for this answer.
In which of the following processes are larger molecules broken down into smaller molecules?
Vulcanization of rubber
Hydrogenation of palm oil
Hydrolysis of starch
Polymerization
Esterification
Correct answer is C
No explanation has been provided for this answer.