- (A) Pigmentation.
- (B) Respiration.
- (C) Evaporative cooling.
- (D) Excretion.
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- (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
- (A) Calcium oxalate
- (B) Calcium phosphate
- (C) Uric acid
- (D) All of these
- (A) Crotical
- (B) Medullary
- (C) Juxtramedullary
- (D) None of these
- (A) Protonephridium
- (B) Metanephridium
- (C) Malpighian tubules
- (D) Nephrons
- (A) Ammonia
- (B) Urea
- (C) Uric acid
- (D) Trimethylamine oxide
- (A) Nephrostome
- (B) Nephridiopore
- (C) Flame cell
- (D) Anus
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