Pollination by bats is called
Options
(a) anemophily (b) hydrophily (c) ornithophily (d) chiropterophily
Correct Answer:
chiropterophily
Explanation:
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Pollination is best defined as
Options
(a) growth of pollen tube in ovule (b) Trasnfer of pollen from another to stigma (c) visiting of flowers by insects (d) germination of pollen grains
Correct […]
Pollinia are present in which plant family?
Options
(a) asteraceae (b) myrtaceae (c) asclepiadaceae (d) malvaceae
Correct Answer:
asclepiadaceae
Explanation:
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Polyploidy can result from
Options
(a) double fertilization (b) polyspermy (c) diploid gametes (d) double fertilization & polyspermy & diploid gametes
Correct Answer:
diploid gametes
Explanation:
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Potatoes are cultivated by
Options
(a) seeds (b) cutting of roots (c) foliar buds (d) buds on tubers
Correct Answer:
buds on tubers
Explanation:
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Process in which fertilization occurs without fusion of gametes
Options
(a) amphimixis (b) parthenogenesis (c) autogamy (d) apomixis
Correct Answer:
apomixis
Explanation:
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Rarely among angiosperms the pollen grain develops in embryo sac. This abnormally is called as
Options
(a) metaxenia (b) nemec phenomenon (c) xenia (d) mesogamy
Correct Answer:
xenia
Explanation:
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Ruminate endosperm is found in
Options
(a) crucifearae (b) asteraceae (c) euphorbiaceae (d) annonaceae
Correct Answer:
annonaceae
Explanation:
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Sexual reproduction in plants was discovered by
Options
(a) Camerarius (b) Strasburger (c) Nawaschin (d) Hofmeister
Correct Answer:
Strasburger
Explanation:
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Sporophyte formation from gametophyte is called
Options
(a) apogamy (b) sporogenesis (c) gametogenesis (d) apospory
Correct Answer:
apogamy
Explanation:
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