Adult human brain is about_____ of the total body weight.

1. 1. 0.03
   2. 0.07
   3. 0.02
   4. 0.08

Which of the following statement about fatigue is correct?

1. 1. Lactic acid accumulation turns pH in acidic range leading to muscle ache.
   2. The major event in it is accumulation of lactic acid.
   3. Ionic imbalance may also cause it.
   4. All of these

Which of the following is called protein synthesizing machine?

1. 1. mitochondria
   2. ribosomes
   3. nucleus
   4. chromosomes

Which among the following is an Autotroph _____.

1. 1. Algae
   2. Butterfly
   3. Mushroom
   4. Fish

Magnesium is present in which of the following_____.

1. 1. Cytochromes
   2. ATP
   3. Hemoglobin
   4. Chlorophyll

Enzyme discovered by _____.

1. 1. Jons Jacob Berzelius
   2. Walter Bradford Cannon
   3. Anselme Payen
   4. All of these

On wound _____fight foreign particles, like bacteria?

1. 1. Red Blood Cells
   2. White Blood cells
   3. Platelets
   4. Plasma

Brown algae are also known as_____.

1. 1. Phaeophyta
   2. Rhodophyta
   3. Pyrrophyta
   4. Chrysophyta

Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of _____.

1. 1. Diffusion
   2. Active transport
   3. Passive transport
   4. Osmosis

Cn(H2O)n is a general formula of_____.

1. 1. Carbohydrates
   2. Monosaccharides
   3. Oligosaccharides
   4. Ploysacharides