A man takes large amount of protein. He is likely to excrete more amount of
Options
(a) Water (b) Glucose (c) Urea and uric acid (d) Salts
Correct Answer:
Urea and uric acid […]
A decrease in blood pressure/ volume will not cause the release of
Options
(a) ADH (b) Renin (c) Atrial Natriuretic Factor (d) Aldosterone
Correct Answer:
Atrial Natriuretic Factor
Explanation:
A decrease in blood […]
Which of the following vein has least amount of urea
Options
(a) Pulmonary vein (b) Hepatic portal vein (c) Hepatic vein (d) Renal vein
Correct Answer:
Renal vein
Explanation:
Least concentration of urea […]
Which of the following characteristics represent ‘Inheritance of blood groups’ in humans?
Options
(a) Dominance,Co-dominance,Multiple allele. (b) Co-dominance,Incomplete dominance,Polygenic inheritance (c) Multiple allele,Polygenic inheritance,Dominance (d) Incomplete dominance,Co-dominance,Polygenic inheritance
Correct Answer:
Dominance,Co-dominance,Multiple allele.
Explanation: […]
The main nitrogenous waste of Hydra is
Options
(a) Ammonia only (b) Urea only (c) Uric acid only (d) Both (a)Ammonia only and (c)Uric acid only
Correct Answer:
Ammonia only
Explanation:
The main […]
The heart is covered by
Options
(a) epicardium (b) pericardium (c) supracardium (d) endocardium
Correct Answer:
pericardium
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
The autonomic nervous system has control over
Options
(a) Reflex action (b) Skeletal muscles (c) Sense organs (d) Internal organs
Correct Answer:
Internal organs
Explanation:
Autonomic nervous system regulates and coordinates involuntary activities […]
Purkinje fibre is found in
Options
(a) nephrons of kidneys (b) conduction system of heart (c) brain (d) sensation of skin
Correct Answer:
conduction system of heart
Explanation:
Atrioventricular node (AV node) is […]
Open circulatory system is present in:A)Arthropods,B)Annelids,C) Chordates, D)Molluscs
Options
(a) Chordates only (b) Chordates and Annelids (c) Molluscs only (d) Arthropods and Molluscs
Correct Answer:
Arthropods and Molluscs
Explanation:
Open circulatory system occurs […]
Lymph vessels are united to form
Options
(a) lymph heart (b) cisterna chyle (c) thoracic duct (d) jugular vein
Correct Answer:
thoracic duct
Explanation:
Lymphatic vessels unite to form two main vessels called […]
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