The bright colours of the comb and feathers in the peacock are for
sex differenciation
beauty
courtship
defence
Correct answer is C
No explanation has been provided for this answer.
Which of the following is the correct order of the vertebrae along the spinal column?
Axis → atlas → thoracic → lumbar → cervical → sacral
Atlas → cervical → axis → thoracic → lumbar→ sacral
Atlas → axis → cervical → thoracic → lumbar → sacral
Axis → atlas → cervical → thoracic → sacral → lumbar
Correct answer is C
No explanation has been provided for this answer.
The response shown by the tips of the root and shoot of a plant to the stimulus of gravity is
haptotropism
phototropism
hydrotropism
geotropism
Correct answer is D
No explanation has been provided for this answer.
Members of the phylum protozoa use the contractile vacuole
to remove excess food
for movement
for digestion
to remove excess water
Correct answer is D
No explanation has been provided for this answer.
The main function of blood in mammals is to transport
excretory materials from tissues
carbondioxide from lungs to tissues
digested food from all the body tissues
oxygen to the lungs
Correct answer is A
No explanation has been provided for this answer.