Assertion (A): Ichthyology and Pisciculture are the same branches of zoology as both of them are related to fishes.

Reason (R): Both the branches are different as they deal with different types of fishes.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.

Assertion (A): The study of the effects of radioactivity on living things is termed as Nuclear Biology.

Reason (R): It is also known as Radiation Biology as radioactive rays emit from the nucleus of the elements.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.

Assertion (A): The term viviparous is normally used for mammals who give birth to young ones.

Reason (R): None of the mammals are oviparous.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.

Assertion (A): Phycology is the study of algae.

Reason (R): Algae are simple, chlorophyll-containing organisms found mainly in aquatic habitats.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true but R is false.
4. A is false but R is true.