Stem cutting are commonly used for propagation of
Options
(a) banana (b) rose (c) mango (d) cotton
Correct Answer:
rose
Explanation:
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Tapetal cells are characterized by the presence of
Options
(a) dense cytoplasm and one nucleus (b) thin cytoplasm and many nuclei (c) dense cytoplasm and prominent nuclei (d) None of these
Correct Answer: […]
Tapetum is found in
Options
(a) anther (b) male gametophyte (c) microspore (d) female gametophyte
Correct Answer:
anther
Explanation:
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The arrangement of megaspores in a tetrad in an angiosperm is
Options
(a) decussate (b) tetrahedral (c) linear (d) isobilateral
Correct Answer:
linear
Explanation:
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The asexual reproduction of seed is called
Options
(a) apomixis (b) adventive (c) fragmentation (d) self-fertilization
Correct Answer:
apomixis
Explanation:
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The development of a sporophyte from gametophytic tissue is called
Options
(a) amphimixis (b) apogamy (c) parthenogenesis (d) apospory
Correct Answer:
apogamy
Explanation:
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The embryo in sunflower has
Options
(a) no cotyledon (b) two cotyledons (c) one cotyledon (d) many cotyledons
Correct Answer:
two cotyledons
Explanation:
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The entry of pollen tube into the ovule through micropyle is called
Options
(a) porogamy (b) mesogamy (c) anisogamy (d) chalazogamy
Correct Answer:
porogamy
Explanation:
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The fertilization in which male gametes are carried through pollen tube is known as
Options
(a) syngamy (b) porogamy (c) siphonogamy (d) chalazogamy
Correct Answer:
siphonogamy
Explanation:
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The flower, which opens once in its life time, is called
Options
(a) cleistogamous (b) polycarpic (c) cleistocarpic (d) monocarpic
Correct Answer:
monocarpic
Explanation:
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