4541: With reference to the circumstances in Indian agriculture, the concept of "Conservation Agriculture" assumes significance. Which of the following fall under the Conservation Agriculture?


1. Avoiding the monoculture practices
2. Adopting minimum tillage
3. Avoiding the cultivation of plantation crops
4. Using crop residues to cover soil surface
5. Adopting spatial and temporal crop sequencing/crop rotations

Select the correct answer using the code given below:

(a) 1, 3 and 4
(b) 2, 3, 4 and 5
(c) 2, 4 and 5
(d) 1, 2, 3 and 5
4542: Avinash is Ravi's eldest brother. Ravi is younger to Ajay. Ravi and Ajay are not brothers. Which of the following statements is definitely true?

(a) Ajay is younger to Avinash

(b) Avinash is younger to Ajay

(c) Ajay is younger to Ravi

(d) None of the above
4543: Lucerne is a:

(a) Foliage crop

(b) Cereal crop

(c) Fruit crop

(d) Fibre crop
4544: Consider the following countries:

1. Brunei Darussalam

2. East Timor

3. Laos

Which of the above is/are member/members of ASEAN?

(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
4545: Assertion

Galvanised iron pipes do not rust easily.

Reason

Zinc has a higher rate of oxidation than iron.

(a) both A and R are true but R is not the reason for A

(b) both A and R are true but R is the reason for A

(c) neither A nor R is correct

(d) A is correct but R is wrong