Which of the following enzymes act on carbohydrates?
Amylase
Lipase
Pepsin
Renin
Trypsin
Correct answer is A
No explanation has been provided for this answer.
These groups of bacteria are harmless EXCEPT
denitrifying
nitrifying
nitrogen-fixing
parasitic
saprophytic
Correct answer is D
No explanation has been provided for this answer.
Which of the following is a characteristic of mollusc?
Bodies are protected by hard exoskeleton
Bodies are segmented
Body walls have three layers
Presence of paired jointed appendages
The head bears a pair of antennae
Correct answer is C
No explanation has been provided for this answer.
These animals exhibit camouflage EXCEPT
chameleon
crab
crocodile
lizard
snake
Correct answer is B
No explanation has been provided for this answer.
Which of these vertebrae is of the same number in man and rabbit?
Caudal
Cervical
Lumber
Sacral
Thoracic
Correct answer is B
No explanation has been provided for this answer.