A progressive series of changes in plant and animal life of an area from initial colonization in known as
Options
(a) evolution (b) succession (c) specialisation (d) selection
Correct Answer:
succession
Explanation:
No […]
Characteristic feature of halophytes are
Options
(a) velamen (b) hydathode (c) pneumatophore (d) lenticel
Correct Answer:
pneumatophore
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Excessive aerenchyma is the characteristic of
Options
(a) heliophytes (b) mesophytes (c) xerophytes (d) hydrophytes
Correct Answer:
hydrophytes
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
A chemical compund having which of the following hormone is used for artificial ripening of fruits?
Options
(a) gibberellin (b) IAA (c) ethylene (d) zeatin
Correct Answer:
ethylene
Explanation:
No explanation available. Be […]
ABA is involved in
Options
(a) dormancy of seeds (b) shoot elongation (c) increased cell division (d) root elongation
Correct Answer:
dormancy of seeds
Explanation:
No explanation available. Be the first to write […]
Bud dormancy is induced by
Options
(a) ABA (b) ethylene (c) IAA (d) gibberellic acid
Correct Answer:
ABA
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Excessive elongation of plant stem is due to
Options
(a) IAA (b) cytokinin (c) auxin (d) gibberellin
Correct Answer:
gibberellin
Explanation:
No explanation available. Be the first to write the explanation for this […]
Animals having pseudocoelomate and triploblastic nature are present in phyla
Options
(a) annelida (b) arthropoda (c) aschelminthes (d) platyhelminthes
Correct Answer:
aschelminthes
Explanation:
No explanation available. Be the first to write the explanation […]
In gymnosperm, the endosperm is formed by
Options
(a) fusion of two polar nuclei (b) fertilized egg (c) fusion of one polar nuceus (d) germination of one megaspore
Correct Answer:
germination of one […]
Piercing and sucking mouth parts are found in
Options
(a) mosquitoes (b) butterfly (c) house fly (d) ticks
Correct Answer:
mosquitoes
Explanation:
No explanation available. Be the first to write the explanation for […]
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