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In kingdom Plantae, alternation of generation is not associated with
(a)sporophytic and gametophytic phases.
(b)length of haploid and diploid phases.
(c)number of haploid and diploid phases.
(d)free living or dependent nature of haploid and diploid phases.

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Important Questions on Classification of Living Organisms
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Reason : Bats and whales have four-chambered heart.

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A. Definition of biological species was given by Ernst Mayr.
B. Photoperiod does not affect reproduction in plants.
C. Binomial nomenclature system was given by R.H. Whittaker.
D. In unicellular organisms, reproduction is synonymous with growth.
The two correct statements are:

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Which of the following features correctly belong to the concerned plant group?
(a) Presence of heterospory also.
(b) Sporophyte is not independent, but it is attached to photosynthetic gametophyte.
(c) Endosperm is haploid and develops before fertilization.

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Represent the union of two sets by Venn diagram for each of the following.
is a prime number between and
is an odd number between and

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