J.H Van’t Hoff was the first Nobel laureate in Chemistry. Which one of the following is not his contribution?

1. 1. Laws of Chemical Kinetics
   2. Laws of Osmotic Pressure
   3. Theory of Electrolytic Dissociation
   4. Chemical Stereochemistry

Who invented the Polio vaccine (Oral)?

1. 1. Janas Salk
   2. Burk Holder
   3. Robert Koch
   4. Albert Sabin

Who among the following received Nobel Prize for unravelling the helical structure of proteins?

1. 1. Linus Pauling
   2. Maurice Wilkins
   3. Sanger
   4. watson and Crick

Streptomycin was discovered by _____.

1. 1. Alexander Fleming
   2. S.A Waksman
   3. J. Salk
   4. Louis Pasteur

Name the embryologist who created ‘Dolly’, the first clone of a sheep.

1. 1. Curtis Youngs
   2. Ian Wilmnt
   3. Martine Nijis
   4. Rondall Prather

Which one of the followings is crucial to the ecosystem because they recycle nutrient from the organism back to the environment?

1. 1. Omnivores
   2. Decomposers
   3. Top carnivores
   4. Carnivores

Evolution through mutation was suggested by _____.

1. 1. Darwin
   2. Lyell
   3. De Veries
   4. Malthus

The membranous labyrinth of the ear is filled with _____.

1. 1. Lymph
   2. Serum
   3. Endolymph
   4. None of the above

In the eye, colour vision is affected by the presence of _____.

1. 1. Choroid coat
   2. Rods
   3. Cones
   4. Sclerotic coat

The theory of inheritance of acquired characters was propounded by _____.

1. 1. Charles Darwin
   2. J.B. Lamarck
   3. Weismann
   4. Gregor Mendel