C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents _____.

1. 1. Respiration
   2. Aerobic respiration
   3. Anaerobic respiration
   4. Photosynthesis

The terms procariotique and eucariotique were proposed by_____.

1. 1. Haeckel
   2. Chatton
   3. Margulis and Schwartz
   4. Whittaker

Deoxygenated blood first enters in _____part of fishes.

1. 1. Left atrium
   2. Right atrium
   3. Sinus venosus
   4. Conus arteriosus

Amoeba moves in water with the help of locomotory organs called_____.

1. 1. flagella
   2. tube feet
   3. pseudopodia
   4. cilia

Which type of the receptors are present in the ear_____.

1. 1. Photoreceptors
   2. Chemoreceptors
   3. Thermoreceptors
   4. Mechanoreceptors

The first action spectrum was obtained by_____.

1. 1. T.W. Inws
   2. T.W. Englemam
   3. W. Stapes
   4. Malleus

Roots of a plant show_____.

1. 1. Positive geotropism of stem and roots
   2. Negative tactic movement and positive tropic movement
   3. Negative phototropism and positive geotropism
   4. Positive phototropism and negative geotropism

Biological organization is_____.

1. 1. advance
   2. simple
   3. highly complex
   4. complex

Proteins comprise of _____ of the total dry weight of a cell?

1. 1. 0.5
   2. 0.6
   3. 0.7
   4. 0.8

Humans can hear in the range of _____to _____ertz (Hz).?

1. 1. 30 Hz to 30,000 Hz
   2. 10 Hz to 10,000 Hz
   3. 40 Hz to 40,000 Hz
   4. 20 Hz to 20,000 Hz