Which of the following structures is associated with respiration in insects?
Air sac
Spiracle
Lung
Alveolus
Gill
Correct answer is B
No explanation has been provided for this answer.
Blood clotting is a function of
vitamin C
vitamin K
vitamin B2
vitamin E
vitamin B12
Correct answer is B
No explanation has been provided for this answer.
Which of the following hind limb bones is equivalent to the humerus of the forelimb?
Patella
Tarsal
Tibia
Fibula
Femur
Correct answer is E
No explanation has been provided for this answer.
Which of the following is a product of brewing when yeast is used as a fermenting agent?
Nitrogen
Oxygen
Malt
Ethanol
Sucrose and glucose
Correct answer is D
No explanation has been provided for this answer.
Which of the following processes occurs by diffusion?
Reabsorption of water in kidney tubules
Entry of water into the cytoplasm of unicellular animals
Absorption of water in the large intestine
Exchange of nutrients between a mother and the foetus
Movement of water in and out of living cells
Correct answer is D
No explanation has been provided for this answer.