Bundle of His’ is a part of which one of the following organs in humans?
Options
(a) Brain (b) Heart (c) Kidney (d) Pancreas
Correct Answer:
Heart
Explanation:
Bundle of His’ are a typical […]
Which one of the following pairs of structures distinguishes a nerve cell from other types of cells?
Options
(a) Vacuoles and fibres (b) Flagellum and medullary sheath (c) Nucleus and mitochondria (d) Perikaryon and […]
Which one of the following is not an essential mineral element for plants while the remaining three are?
Options
(a) Iron (b) Manganese (c) Cadmium (d) Phosphorus
Correct Answer:
Cadmium
Explanation:
Cadmium is […]
Uric acid is the cheif nitrogenous component of the excretory products of
Options
(a) earthworm (b) cockroach (c) frog (d) man
Correct Answer:
cockroach
Explanation:
Uric acid is the cheif nitrogenous component of the […]
Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called
Options
(a) Xenogamy (b) Geitonogamy (c) Karyogamy (d) Autogamy
Correct Answer:
Geitonogamy
Explanation:
Geitonogamy […]
The complex formed by a pair of synapsed homologous chromosomes is called
Options
(a) Kinetochore (b) Bivalent (c) Axoneme (d) Equatorial plate
Correct Answer:
Bivalent
Explanation:
During zygotene, second stage of meiosis I homologous […]
In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube?
Options
(a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo […]
In leaves of C₄ plants malic acid synthesis during CO₂ fixation occurs in
Options
(a) epidermal cells (b) mesophyll cells (c) bundle sheath (d) Guard cells
Correct Answer:
mesophyll cells
Explanation:
In leaves of […]
Human insulin is being commercially produced from a transgenic species of
Options
(a) Escherichia (b) Mycobacterium (c) Rhizobium (d) Saccharomyces
Correct Answer:
Escherichia
Explanation:
No explanation available. Be the first to write the explanation […]
Which one of the following structures is an organelle within an organelle?
Options
(a) Ribosome (b) Peroxisome (c) ER (d) Mesosome
Correct Answer:
Ribosome
Explanation:
Ribosome are small naked (non membrane bound) particles made […]
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