In the mammal, the autonomic nervous system consists of
sympathetic and parasympathetic system
brain and spinal nerves
brain and cranial nerves
spinal cord and spinal nerves
Correct answer is A
No explanation has been provided for this answer.
The main function of the petal of a flower is to
attract pollination agents
protect the flower while still in bud
serve as landing stage for insects
protect the inner paisr from desiccation
Correct answer is A
No explanation has been provided for this answer.
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.