Which of the following has no blood, but respires?

1. 1. Hydra
   2. Fish
   3. Cockroach
   4. Earthworm

Pepsin converts _____.

1. 1. Starch into glucose
   2. Protein into peptides in neutral media
   3. Protein into peptides in acid media
   4. Protein into peptides in alkaline media

All the metabolic reactions in the organisms are catalysed by _____.

1. 1. Vitamins
   2. Minerals
   3. Hormones
   4. Enzymes

What do calories measure?

1. 1. Weight
   2. Heat
   3. Movement
   4. Temperature

DNA model was given by _____.

1. 1. Watson and Crick
   2. Fisher and Haldane
   3. Beadle and Talum
   4. Lederberg and Talum

Which of the following is the correct sequence?

1. 1. Green plants – animals – biosphere- atmosphere
   2. Green plants – biosphere – animals – atmosphere
   3. Animals – green plants – atmosphere – biosphere
   4. Atmosphere – green plants – animals – biosphere

Pituitary gland is a gland attached to the _____.

1. 1. Liver
   2. Base of the brain
   3. Spleen
   4. Neck region

Who proposed theory of continuous and gradual evolution of life from simple to complex?

1. 1. Aristotle
   2. Hugo de Vries
   3. Charles Lyell
   4. Thomas Malthus

Darwin himself bred _____.

1. 1. Pigeons
   2. Pea plants
   3. Wild mustard
   4. Tomatoes

Glycogen is mainly stored in _____.

1. 1. Spleen
   2. Villi
   3. Liver and muscles
   4. Cartilage and bone