If a stimulus, several times greater than the threshold stimulus is provided to a muscle fibre, it will
Options
(a) Contract with a larger force (b) Contract with a smaller force (c) Contract […]
If a person has lost his memory in an accident, the following part of the brain have got injured
Options
(a) Diencephalon (b) Medulla oblongata (c) Cerebellum (d) Cerebrum
Correct Answer:
Diencephalon
Explanation: […]
If a muscle undergoes rapid contraction and relaxation the sarcoplasmic reticulum extension
Options
(a) Requires constant plugging in and out of Ca²⁺ (b) Rapid synthesis of myosin (c) Do not require energy (d) […]
Identify the origin of sympathetic nerve fibres and the location of their ganglia
Options
(a) They arise from thoraco-lumber region of spinal cord and form ganglia just beside the vertebral column (b) They […]
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes
Options
(a) Goblet Cells (b) Oxyntic Cells (c) Duodenal Cells (d) Chief Cells
Correct Answer:
Goblet Cells
Explanation:
Goblet […]
IAA and serotonin are derived (formed) from which of the following
Options
(a) Tryptophan (b) Tyrosine (c) Phenylalanine (d) None of these
Correct Answer:
Tryptophan
Explanation:
Natural auxins are synthesized in physiologically active […]
Hypothalamus does not control
Options
(a) Hunger and satiety (b) Termoregulation (c) Libido (d) Creative thinking and consciousness
Correct Answer:
Creative thinking and consciousness
Explanation:
Hypothalamus contains higher nerve centre for temperature regulaiton, […]
Hypoglossal nerve controls the movements of
Options
(a) sub ear (b) heart (c) tongue (d) limbs
Correct Answer:
tongue
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Hypersecretion of Growth Hormone in adults does not cause further increase in height, weight.
Options
(a) Muscle fibres do not grow in size after birth (b) Growth Hormone becomes inactive in adults (c) […]
Humoral antibodies are produced by
Options
(a) B-cells (b) T-cells (c) Globulins (d) Plasma cells
Correct Answer:
B-cells
Explanation:
Humoral or Antibody mediated immune system is formed or proteinous defensive chemicals called antibodies […]
2017 Copyright Doctor Dreams Training Academy