Na+ -K+ ATPase pump is important for_____.

1. 1. Maintenance of resting potential
   2. Recovery of resting potential
   3. Massive out flux of K+ after depolarization
   4. Conversion of resting potential into action potential

Which of the following muscle is an antagonistic member of Biceps brachii?

1. 1. Triceps
   2. Bracheoradialis
   3. Brachialis.
   4. Intercostals

If the number of chromosomes in most body cells of a mammal is 40, the cells in the seminiferous tubule will have_____.

1. 1. 40 chromosomes
   2. While some other will have 20
   3. 20 chromosomes
   4. 10 chromosomes

In most ecosystems the greatest amount of energy flows through the_____.

1. 1. Secondary consumers
   2. Carnivores
   3. Decomposers
   4. Herbivores

Shrinkage of protoplast due to exosmosis of water is_____.

1. 1. Imbibition
   2. Deplasmolysis
   3. Plasmolysis
   4. Adhesion

Which of the following statement is incorrect regarding germ theory of diseases postulated by Robert Koch_____.

1. 1. The pure culture cannot produce the disease when inoculated into susceptible animal however the causative organism isolated from pure culture can do so
   2. A specific organism can always be found in association with a given disease
   3. The organism can be isolated and grown in pure culture in the laboratories
   4. It is possible to recover the organism in pure culture from the experimentally infected animals

A moth is closely related to_____.

1. 1. Butterfly
   2. Wasp
   3. Beetle
   4. Cricket

The organisms able to use sunlight directly as a source of energy are_____.

1. 1. Animals
   2. Plants
   3. Omnivores
   4. Fungi

The chromosomes as thread like structures in nucleus was first described by _____.

1. 1. Mendel
   2. Darwin
   3. Levitz Ky
   4. Strasburger

The number of species of organisms currently known to science is?

1. 1. 3500000
   2. 2500000
   3. 35000
   4. 25000000