Which of the following animal has a hydrostatic skeleton?

1. 1. Round worm
   2. Tape worm
   3. Earthworm
   4. Pin worm

A bacterium with tuft of flagella at both poles is called_____.

1. 1. Lophotrichus
   2. Amphitrichous
   3. Monotrichous
   4. Peritrichous

The one which is present in all living things is _____.

1. 1. Cell membrane
   2. Cell nucleus
   3. Vacuole
   4. DNA or RNA

S-band locomotion is characteristically seen in_____.

1. 1. Bony fish
   2. Fish like mammals
   3. Cartilaginous fish
   4. All fishes

A large regional community primarily determined by climate is called_____.

1. 1. Biome
   2. Population
   3. Community
   4. Habitat

The air spaces may comprise upto _____of total volume of leaf surface?

1. 1. 0.1
   2. 0.2
   3. 0.4
   4. 0.6

Who discovered the living cell first time?

1. 1. Robert hooke
   2. Robert brown
   3. Rudolf virchow
   4. Antoni van leeuwenhoek

_____are needed as a source of energy for the vital activities of the body?

1. 1. Calcium
   2. Carbohydrates
   3. Iron
   4. Water

Dogs mostly show which type of Diabetes Mellitus:

1. 1. Type 2 diabetes
   2. Type 1 diabetes
   3. Both a & b
   4. All of these

Nitrifying bacteria are the examples of_____.

1. 1. Hetrotrophic bacteria
   2. Saprophytic bacteria
   3. Parasitic bacteria
   4. Chemosynthetic bacteria