Fertilizers and Pesticides TNPSC Group 4 VAO Questions

Fertilizers and Pesticides MCQ Questions

1.

Match List I correctly with List II and select your answer using the codes given below: 

List I List II
a) Neutral ferric chloride solution 1.) Identification of sulphur in organic compounds
b) Fehling's solution 2.) To identify phenollic group
c) Sodium nitro solution 3.) To use fertilizer
d) Ammonia 4.) To identify redumolybdate reagenting sugars
A.

a-3,b-1,c- 4,d-2

B.

a-2,b-4,c- 1,d-3

C.

a-2,b-3,c- 4,d-1

D.

a-3,b-2,c- 4,d-1

ANSWER :

B. a-2,b-4,c- 1,d-3

2.
Urea is a________________ fertilizer
A.
phosphate
B.
potash
C.
nitrogenous
D.
None of these
ANSWER :
C. nitrogenous
3.
The fertilizer essential for the growth of tobacco is
A.
Superphosphate of lime
B.
Urea
C.
Potassium nitrate
D.
Ammonium sulphate
ANSWER :
C. Potassium nitrate
4.
Which one of the following is the mixed fertilizer?
A.
Urea
B.
CAM
C.
Ammonium sulphate
D.
NPK
ANSWER :
C. NPK
5.
A common nitrogenous fertilizer is
A.
Urea
B.
super phosphate
C.
triple phosphate
D.
potassium chloride
ANSWER :
A. Urea
6.
Among the following a fertilizer is
A.
Calcium sulphate
B.
Magnesium sulphate
C.
Lead sulphate
D.
Ammonium sulphate
ANSWER :
D. Ammonium sulphate