A small rise in the body temperature of humans is corrected by
(i) sweating
(ii) dilating the skin arteries
(iii) constricting the skin arteries
(iv) increased tension of muscles in the skin.
(1) (i) only
(2) (ii) only
(3) (i) and (ii)
(4) (iii) and (iv)
Pacinian corpuscles occur in the skin of certain parts of body in mammals. These are
(1) type of glands
(2) pain receptors
(3) naked tactile receptors
(4) encapsulated pressure receptors.
The cavity of diencephalon is known as
(1) first ventricle
(2) second ventricle
(3) third ventricle
(4) fourth ventricle
Which one is an incorrect match?
(1) Glucoma-Abnormal high pressure on liquid of eye
(2) Eustachian tube-Connects middle ear cavity with pharynx
(3) Caloreceptor-Heat
(4) Interoreceptor-Touch
The cranial nerves which originate from the medulla oblongata are
(1) IX, X, XI and XII
(2) III, VIl and IX
(3) VII, VII IX and X
(4) VIlI, IX, X, XI and XII
Node of Ranvier occurs where
(1) nerve is covered with myelin sheath
(2) neurolemma is discontinuous
(3) neurolemma and myelin sheath are discontinuous
(4) myelin sheath is discontinuous
The brain disease caused due to accumulation of amyloid -peptide is
(1) Addison's disease
(2) Huntington's disease
(3) Parkinson's disease
(4) Alzheimer's disease
Which of the following part of human brain is also called emotional brain?
1. Corpus callosum
2. Limbic system
3. Epithalamus
4. Broca's area
Go through the following table comparing the effect of sympathetic and parasympathetic nervous system. Which one is matched correctly?
Features Sympathetic Parasympathetic
Nervous System Nervous System
(1) Pupil of eye Dilates Constricts
(2) Heart rate Decreases Increases
(3) Intestinal Stimulates Inhibits
peristalsis
movement
(4) Salivary Stimulates Inhibits secretion
gland secretion
How macula lutea and corpus luteum are related ?
(1) Contribute in maintain pregnancy
(2) Both are a source of hormones
(3) Both are characterised by their yellow colour
(4) Both are found in human ovaries