Nervous System

Which one of the following statements is correct?

1.	Neurons regulate endocrine activity, but not vice versa
2.	Endocrine glands regulate neural activity and the nervous system regulates endocrine glands
3.	Neither hormones control neural activity nor the neurons control endocrine activity
4.	Endocrine glands regulate neural activity, but not vice versa

Myelin sheath is produced by:

1.	Astrocytes and Schwann cells
2.	Oligodendrocytes and Osteoclasts
3.	Osteoclasts and Astrocytes
4.	Schwann cells and Oligodendrocytes

Receptor sites for neurotransmitters are present on:

1.	Pre-synaptic membrane	2.	Tips of axons
3.	Post-synaptic membrane	4.	Membrane of synaptic vesicles

Nissl bodies are mainly composed of:

1.	Proteins and lipids	2.	DNA and RNA
3.	Nucleic acids and SER	4.	Free ribosomes and RER

Match List-I with List-II:

	List-I		List-II
A.	Pons	I.	Provides additional space for Neurons, regulates posture and balance
B.	Hypothalamus	II.	Controls respiration and gastric secretions
C.	Medulla	III.	Connects different regions of the brain
D.	Cerebellum	IV.	Neuro secretory cells

Choose the correct answer from the options given below:

1.	A-III, B-IV, C-II, D-I	2.	A-I, B-III, C-II, D-IV
3.	A-II, B-I, C-III, D-IV	4.	A-II, B-III, C-I, D-IV