The plants face wilting due to use of excessive fertilizers, because of
Options
(a) exosmosis (b) imbibition (c) endosmosis (d) exosmosis & imbibition & endosmosis
Correct Answer:
exosmosis
Explanation:
Plants face wilting due […]
The leaves of Mimosa pudica droop down, when touched, due to
Options
(a) nyctinasty (b) seismonasty (c) photonasty (d) epinasty
Correct Answer:
seismonasty
Explanation:
Nastic movements occur in response to a stinulus. It […]
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 […]
Induction of flowering by low temperature treatment is
Options
(a) photoperiodism (b) pruning (c) vernalization (d) cryobiology
Correct Answer:
vernalization
Explanation:
Photoperiodism is the response of plants to the relative lenght of day […]
Plants of edible banana are propagated by
Options
(a) leaf base (b) seeds (c) flower buds (d) suckers
Correct Answer:
suckers
Explanation:
No explanation available. Be the first to write the explanation for […]
Pond is an example of which of the following ecosystem?
Options
(a) natural (b) artificial (c) grassland (d) forest
Correct Answer:
natural
Explanation:
Ponds represent a natural, self-regulatory fresh water ecosystem. The salient […]
Purkinjie 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:
No explanation available. Be the […]
Escherichia coli with completely radioactive DNA was allowed to replicate in non-radioactive medium for two generations. Percentage of bacteria with radioactive DNA is
Options
(a) 50% (b) 12.50% (c) 100% (d) 25%
Correct […]
Who coined the term ‘Homo sapiens’?
Options
(a) Charles Darwin (b) Lamarck (c) Carolus Linnaeus (d) Lederberg
Correct Answer:
Carolus Linnaeus
Explanation:
No explanation available. Be the first to write the explanation for […]
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 […]
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