If the rate of addition of new members increases with respect to the individual lost from the population, then the graph obtained has
Options
(a) declined growth (b) zero population growth (c) exponential […]
A pigment which absorbs red and far red(infrared) light is
Options
(a) phytochrome (b) carotene (c) cytochrome (d) xanthophyll
Correct Answer:
phytochrome
Explanation:
No explanation available. Be the first to write the explanation […]
Beta vulgar is a
Options
(a) short day plant (b) long day plant (c) day neutral plant (d) intermediate plant
Correct Answer:
long day plant
Explanation:
No explanation available. Be the first to […]
Etiolation in plants is caused when
Options
(a) they are grown in dark (b) they have mineral deficiency (c) they are grown in intense light (d) they are grown in blue light
Correct […]
Geotropic response is perceived by
Options
(a) root tip (b) root hairs (c) elongating cells (d) mature root cells
Correct Answer:
root tip
Explanation:
No explanation available. Be the first to write the […]
Cellulose digestion in termites is carried out by
Options
(a) Monocystis (b) Trichomonas (c) Trichonympha (d) Lophomonas
Correct Answer:
Trichonympha
Explanation:
No explanation available. Be the first to write the explanation for this […]
Marines fishes drink sea water to
Options
(a) meet their body salt requirements (b) compensate loss of water from their body (c) flush out nitrogenous wastes from their body (d) achieve all the […]
The members of which of the following phyla possess specialized stinging cells having poison filled barbed threads?
Options
(a) protozoa (b) porifera (c) coelenterata (d) rotifera
Correct Answer:
coelenterata
Explanation:
No explanation available. […]
What is the similarity between fly, mosquitoes and cockroach?
Options
(a) 13 chamber heart (b) open excretory system (c) all have 3 pairs of legs (d) all belong to class insecta
Correct Answer: […]
Action and absorption spectrum was first represented by
Options
(a) Arnon (b) Stephen Hales (c) Robin Hill (d) Englemann
Correct Answer:
Englemann
Explanation:
No explanation available. Be the first to write the explanation […]
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