Everyday Science Mcqs » Biology
The point at which there is no net exchange of gases between leaves and atmosphere is known as_____________?

A. Neutral point
B. Compensation point
C. Parallel point
D. Competitive point

At which times there is no net gaseous exchange between leaves and the atmosphere.

A. Day time.
B. Night time.
C. Dawn & dusk.
D. Mid night.

Which of the following is a compensation point:

A. Leaves respire and utilize o2 and release co2.
B. Photosynthesis and respiration occur at same rate. so there is not net exchange of gases between atmosphere and plants.
C. Rate of photosynthesis increases, so do the o2 production, with a net release of oxygen coupled with the uptake of co2.
D. Rate of respiration becomes more than rate of photosynthesis.

Quantitative study of energy relationships in biological systems obeys.

A. Bioenergetics
B. Laws of thermodynamics
C. Laws of thermo chemistry
D. Laws of chemical energetic

Which of the following feature is not related to neuron?

A. Conduction
B. Regeneration
C. Reflex
D. Movement

C6H12O6 + 6O2 ? 6CO2 + 6H20 + ENERGY represents:____________?

A. Photosynthesis
B. Aerobic respiration
C. Anaerobic respiration
D. Respiration

Intelligence is under the control of____________?

A. Cerebrum
B. Cerebellum
C. Thalamus
D. Hypothalamus