Biology
Assertion. The cerebellum is the largest portion of the brain.
Reason. Cerebellum is located just at the base of the cerebrum. It maintains body balance. Cerebrum is the seat of intelligence, consciousness and will power.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Answer
A is False and R is True
Explanation
The cerebrum is the largest portion of the brain, not the cerebellum.
The cerebellum is located at the base of the cerebrum and plays a crucial role in maintaining body balance and coordination. The cerebrum is responsible for higher brain functions, including intelligence, consciousness, and will power.
Related Questions
Assertion. Effectors are the part of our body which, on receiving stimulus, set up waves of impulses towards the central nervous system.
Reason. The specialized epithelial cells of certain organs are capable of receiving stimuli which can be light, sound, heat, pain, hunger, etc.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. The aggregates of the cell bodies or perikaryons of neurons form the synapse.
Reason. Ganglia are the structures from which the nerve fibres may arise or enter into, whereas the synapse connects two neurons with a small gap in between.
- Both A and R are True
- Both A and R are False
- A is True and R is False
- A is False and R is True
Assertion. The protective membranous covering of the brain and spinal cord are the same, whereas the bony coverings of these are cranium and vertebral column respectively.
Reason. Since both are very delicate and sensitive organs of our body, they are protected by a three-layered membrane known as meninges.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.
Assertion. The arrangement of white and gray matter is the same in both brain and spinal cord.
Reason. Gray matter consists of cell bodies of the neuron, whereas white matter contains the axons of the nerve cells. One region is termed as the cortex and the other is medulla.
- Both A and R are True
- Both A and R are False
- A is True and R is False.
- A is False and R is True.