Predators are the animals who chase other animals, kill them and feed on their flesh. Which of the following statements supports this given explanation?

P. They are carnivores.

Q. They belong to trophic level-2 of the food chain.

R. They are also considered as decomposers.

1. Only P
2. Only Q and R
3. Only P and Q
4. Only P and R

Latika has prepared a food web which is a network of interconnected food chains. Which of the following are involved in a food web?

1. Producers
2. Sunlight
3. Herbivores
4. Secondary consumers

1. Only 2 and 3
2. Only 1, 2 and 3
3. Only 1, 3 and 4
4. Only 1 and 3

Assertion (A): An ecosystem consists of two categories of components Biotic and Abiotic which are interdependent on each other.

Reason (R): Biotic components are dependent on abiotic components but never on other biotic components.

1. Both A and R are true.
2. Both A and R are false.
3. A is true and R is false.
4. A is false and R is true.

Assertion (A): Symbiosis, parasitism and predation are the categories of interdependence between organisms, which are the ways of transferring energy.

Reason (R): The transfer of energy from one trophic level to the other always occurs through the food chain.

1. Both A and R are true.
2. Both A and R are false.
3. A is true and R is false.
4. A is false and R is true.