Biology
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
Related Questions
Assertion. Haematuria is the condition in which the blood passes with urine due to some infection in the urinary tract, kidney stones or tumour.
Reason. An excessive number of RBCs and haemoglobin is produced in the bone marrow. So these are excreted out through the urine.
- 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. 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 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.
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.