In birds, some of the vertebrae are fused to form
Options
(a) Synsacrum (b) Symphysis (c) Synkaryon (d) Sympelvis
Correct Answer:
Synsacrum
Explanation:
Synsacrum is a composite bone in birds which consists of […]
In animal, gametes are derived from
Options
(a) Epithelial tissue (b) Nervous tissue (c) Occur singly (d) None of the above
Correct Answer:
Epithelial tissue
Explanation:
The cell of Germinal epithelium is cuboidal, […]
In anaerobic respiration the pyruvic acid in muscle will form
Options
(a) Lactic acid (C₃H₆O₃) and H₂O (b) Alcohol (C₂H₅OH) and H₂O (c) Acetaldehyde and H₂O (d) Acetyl CoA and H₂O
Correct Answer: […]
In a relaxed fibril, H-zone, a lighter region of low density can be seen in the centre of
Options
(a) Anisotropic or A-band (b) Isotropic or I-band (c) Z-band (d) Both in A […]
In a neuron the concentration of intracellular potassium and extracellular sodium is in a ratio of
Options
(a) 1:1 (b) 30:1 (c) 10:1 (d) 3:1
Correct Answer:
1:1
Explanation:
The amount of total […]
In a minute normal man respires
Options
(a) 10 times (b) 16 times (c) 30 times (d) 4 times
Correct Answer:
16 times
Explanation:
During normal breathing the respiratory movement in 25 years […]
In a human being,the number of spinal nerves is
Options
(a) 31 pairs (b) 52 pairs (c) 12 pairs (d) 36 pairs
Correct Answer:
31 pairs
Explanation:
In a human being,the number of […]
In a chloroplast, the highest number of protons are found in
Options
(a) Stroma (b) Lumen of thylakoids (c) Inter-membrane space (d) Antennae complex
Correct Answer:
Lumen of thylakoids
Explanation:
Proton concentration is […]
If turgor pressure becomes equal to the wall pressure, then
Options
(a) water leaves the cell (b) water enters the cell (c) no exchanges of water takes place (d) solute goes from the […]
If thymus gland of an infant is removed which of the following will not form
Options
(a) T-lymphocytes (b) β-lymphocytes (c) Erthryocytes (d) Granulocytes
Correct Answer:
T-lymphocytes
Explanation:
Surgical removal of thymus gland […]
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