In angiosperms, the endosperm is
Options
(a) polyploid (b) triploid (c) diploid (d) haploid
Correct Answer:
triploid
Explanation:
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In diplospory, embryo developed from diploid
Options
(a) nucleus (b) reproductive cell (c) microspore mother cell (d) megaspore mother cell
Correct Answer:
megaspore mother cell
Explanation:
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In flowering plants, a mature male gametophyte is derived from a pollen mother cell by
Options
(a) two mitotic divisions (b) one meiotic and two mitotic divisions (c) three mitotic divisions (d) a […]
In some plants anthers and stamen grow and mature at same time. This phenomenon is called
Options
(a) homogamy (b) syngamy (c) allogamy (d) fusion
Correct Answer:
homogamy
Explanation:
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In which of the following parthenocarpy makes no sense?
Options
(a) banana (b) orange (c) lemon (d) pomegranate
Correct Answer:
pomegranate
Explanation:
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In which of the following there is no sense of parthenocarpy?
Options
(a) banana (b) lemon (c) orange (d) pomegranate
Correct Answer:
pomegranate
Explanation:
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Larger nucleus in a pollen grain is
Options
(a) tube nucleus (b) sperm nucleus (c) generative nucleus (d) Tapetum
Correct Answer:
tube nucleus
Explanation:
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Main condition for a plant to perform cross pollination is
Options
(a) herkogamy (b) dichogamy (c) self sterility (d) herkogamy & dichogamy & self sterility
Correct Answer:
herkogamy & dichogamy & self sterility
Microsporogenesis is the
Options
(a) development of megaspore (b) development of pollen grain (c) development of male gametophyte (d) development of female gametophyte
Correct Answer:
development of pollen grain
Explanation:
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Microsporophylls contains
Options
(a) pollen tube (b) pollen grain (c) nucellus (d) pollen tube & pollen grain & nucellus
Correct Answer:
pollen grain
Explanation:
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