EVERYDAY SCIENCE

SCIENCE

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following is poorly developed in a frog?
A
Cerebellum
B
Cerebrum
C
Optic capsule
D
Diencephalon
Explanation: 

Detailed explanation-1: -The ridge just behind the optic lobes is the cerebellum (D), it is used to coordinate the frog’s muscles and maintain balance.

Detailed explanation-2: -A female frog lays eggs in the water, which are fertilized by sperm from a male frog. The resulting zygote goes through embryonic development to become a free-living tadpole, which then metamorphoses into an adult frog-for instance, by losing its tail through programmed cell death, or apoptosis.

Detailed explanation-3: -Stage 1: Egg. Stage 2: Tadpole. Stage 3: Froglet (young frog) Stage 4: Adult frog.

Detailed explanation-4: -The removal of one or both cerebral hemispheres proved that the motor centres of the cerebral cortex of the frog are of minor importance and the sensory centers scanty.

There is 1 question to complete.