Consider the following techniques/phenomena:

1. Budding and grafting in fruit plants.

2. Cytoplasmic male sterility.

3. Gene silencing.

Which of the above is/are used to create transgenic crops?

Consider the following animals:

1. Bats

2. Bears

3. Rodents

The phenomenon of hibernation can be observed in which of the above kinds of animals?

In the context of the Food and Nutritional Security of India, enhancing the ‘Seed Replacement Rates’ of various crops helps in achieving the food production targets of the future. But what is/are the constraint/constraints in its wider/greater implementation? 

1. There is no National Seeds Policy in place.

2. There is no participation of private sector seed companies in the supply of quality seeds of vegetables and planting materials of horticultural crops.

3. There is a demand-supply gap regarding quality seeds in case of low value and high volume crops.

Select the correct answer using the codes given below:

With reference to the Agni-IV Missile, which of the following statement(s) is/are correct? 

1. It is a surface-to-surface missile.

2. It is fuelled by liquid propellant only.

3. It can deliver one-tonne nuclear warheads about 7500 km away.

Select the correct answer using the codes given below:

With reference to two non-conventional energy sources called ‘coalbed methane’ and ‘shale gas’, consider the following statements:

1. Coalbed methane is the pure methane gas extracted from coal seams while shale gas is a mixture of propane and butane only that can be extracted from fine-grained sedimentary rocks.

2. In India, abundant coalbed methane sources exist but so far no shale gas sources have been found.

Which of the statement(s) given above is/are correct?

Consider the following statements:

1. Maize can be used for the production of starch.

2. Oil extracted from maize can be a feedstock for biodiesel.

3. Alcoholic beverages can be produced by using maize.

Which of the statements given above is/are correct?

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacturing of various products. Why?

1, They can accumulate in the environment and contaminate water and soil.

2. They can enter food chains.

3. They can trigger the production of free radicals.

Select the correct answer using the codes given below:

Which of the following can be found as pollutants in the drinking water in some parts of India?

$1$. Arsenic

$2$. Sorbitol

$3$. Fluoride

$4$. Formaldehyde

$5$. Uranium

Select the correct answer using the codes given below:

Consider the following animals:

1. Sea cow

2. Seahorse

3. Sea lion

Which of the above is/are mammal/mammals?