section 13 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following is not caused by deficiency of mineral nutrition?

a) Etiolation

b) Necrosis

c) Chlorosis

d) Shortening of internodes

Question : 2

Match List-I with List-II and select the correct answer using the code given below the lists.

a) 3 4 1 2

b) 1 2 3 4

c) 2 3 4 1

d) 4 1 2 3

Question : 3

Living organisms require at least 27 elements of which, 15 are metals. Among these, those required in major quantities, include

a) Potassium, sodium, magnesium and calcium

b) Potassium, molybdenum, copper and calcium

c) Potassium, manganese, molybdenum and calcium

d) Sodium, magnesium, copper and manganese

Question : 4

Match List-I with List-II and select the correct answer using the code given below the lists.

a) 3 4 1 2

b) 1 2 3 4

c) 2 1 4 3

d) 4 3 2 1

Question : 5

Assertion (A):
Unsaturated fats are more reactive compared with the saturated fats.
Reason (R):
Unsaturated fats have only single bonds in their structure.

a) (A) is true, but (R) is false

b) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

c) Both (A) and (R) are true and (R) is the correct explanation of (A)

d) (A) is false, but (R) is true

Question : 6

Which of the following diseases of milching animals are infectious?

1. Foot and mouth disease
2. Anthrax
3. Black Quarter
4. Cowpox

a) 1 and 4

b) 1, 2 and 3

c) 2, 3 and 4

d) 1, 2, 3 and 4