Purple non-sulphur bacteria is an example of_____.

1. 1. Saprotrophic bacteria
   2. Photosynthetic bacteria
   3. Heterotrophic bacteria
   4. Chemosynthetic bacteria

Sebum produced from sebaceous glands in a mammal helps in_____.

1. 1. Protection against micro organisms
   2. Excretion
   3. Temperature regulation
   4. Sebaceous glands

At which times there is no net gaseous exchange between leaves and the atmosphere.

1. 1. Night time
   2. Dawn & Dusk
   3. Mid night
   4. Day time

Self pollination is not possible in _____.

1. 1. Pawpaw
   2. Dioecious plants
   3. Flowers
   4. Both A and B

Various tissue types combine to make up_____.

1. 1. Organelles
   2. Cells
   3. Organs
   4. Organ System

Vaccine was discovered by_____.

1. 1. Stanley
   2. Louis Pasteur
   3. Iwanowski
   4. Edward Jennar

In some cases the blastomere can produce complete embryo the cleavage will be _____.

1. 1. Spiral and indeterminate
   2. Radial and determinate
   3. Spiral and determinate
   4. Radial and indeterminate

Which one is incorrect pair?

1. 1. Dichotomous – Vernation
   2. Lycopods – Ground pries
   3. Sori – Indusium
   4. Arthrophytes – Jointed

Which of the following organ is responsible for body metabolism?

1. 1. Liver
   2. Lungs
   3. Heart
   4. Kidney

An illness which largely affects girls usually just after the onset of puberty.

1. 1. Anorexia nervosa
   2. Obesity
   3. Bulimia nervosa
   4. None of these