Albinism

Q.

Statement 1: Colouration of skin is due to a pigment melanin.

Statement 2: Dwarfism is the complete loss of pigmentation.

1. Both the statements are true.

2. Both the statements are false.

3. Statement 1 is true and statement 2 is false.

4. Statement 1 is false and statement 2 is true.

Q. Colour-blindness is caused due to recessive genes which occur on -

1. Y chromosome
2. X chromosome
3. Autosome
4. X and Y chromosome

Q. The first drug reported to as a potent teratogen is

1. Thalidomide
2. Hydantoin
3. Trimethadione
4. Warfarin