- (A) Osmoconformers
- (B) Osmoregulators
- (C) Both depend upon the concentration of sea water
- (D) None of these
Biology Mcqs
- (A) Increases transpiration by increasing the surface area of the leave.
- (B) Small and thick leaves to decrease the surface area proportional to the volume of the leave.
- (C) Stomata closing in sufficient supply, and opening in restricted supply of water.
- (D) None of these
- (A) Homeostasis
- (B) Hemostasis
- (C) Osmoregualtion
- (D) Thermoregulation
- (A) Endotherms
- (B) Ectotherms
- (C) Heterotherms
- (D) Homeotherms
- (A) Elevation of temperature in cold conditions.
- (B) Embracing the enzymes and other proteins and prevent their denaturation.
- (C) Change the chemical nature of other proteins thus making them heat resistant.
- (D) Help in evaporative cooling.
- (A) Pigmentation.
- (B) Respiration.
- (C) Evaporative cooling.
- (D) Excretion.
- (A) Providing insulation in cold environment.
- (B) Providing insulation in hot environment
- (C) Rapid heat production.
- (D) Controlling heat production.
- (A) 35%
- (B) 45%
- (C) 55%
- (D) 75%
- (A) There are 5-7 pairs of heart.
- (B) They are present between 1-7th segments.
- (C) They are present lateral to the oesophagus.
- (D) They pump blood from ventral to dorsal vessel.
- (A) Diffusion
- (B) Active transport
- (C) Osmosis
- (D) All of these
