Chlorosis, i.e., yellowish hue on the leaves results from_____.

1. 1. Deficiency of chlorophyll
   2. Accumulation of toxic waste products in leaves
   3. Short supplies of mineral nutrients in the soil
   4. All of these

Of the following which one is not the characteristic of Kingdom Animalia.

1. 1. All animals develop from the dissimilar gametes i.e. large sperm and small egg
   2. All animals are injective heterotrophs
   3. All animals are eukaryotes
   4. It is largest kingdom

Which of the following statement about osteoporosis is incorrect?

1. 1. There is reduction of bone mass and change in chemical composition of the matrix
   2. It results from estrogen deficiency.
   3. Bone eating process takes over bone formation process.
   4. It is common in old age.

Interconversion of carbohydrates proteins and lipids in living cells are an example of_____.

1. 1. Coordinated anabolic activities
   2. Coordinated catabolic activities
   3. Both A and B
   4. All of these

_____ contains the green chemical called chlorophyll.

1. 1. Chloroplasts
   2. Cytoplasm
   3. Cell membrane
   4. Vacuole

_____ of Glucose normally present in our blood is?

1. 1. 0.008
   2. 0.018
   3. 0.0008
   4. 0.08

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