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Reproduction in Organisms

Multiple Choice Questions

111.

Select the correct statement regarding reproduction

Mating in dogs is synchronised with lunar cycle.
Salamanders always have internal fertilisation.
In Trygon, the male introduces sperms into female through a modified pelvic fin.
Catla has internal fertilisation

112.

Which form of reproduction is correctly matched?

Euglena $\to$ transverse binary fission
Paramecium $\to$ longitudinal binary fission
Amoeba $\to$ multiple fission
Plasmodium $\to$ binary fission

113.

Assertion: Many plants are propagated vegetatively even though they bear seeds.

Reason: Potatoes multiply by tubers and apple by cutting.

If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.

114.

Noncleidoic eggs occur in

birds
fish
reptiles
platypus

115.
Division in a bacterial cell is carried out through

multiple fission

binary fission

budding

plasmotomy

binary fission

Division of bacterial cell is carried out by binary fission, in which, a single cell divides into two equal sized cells after developing a transverse cell wall.

Multiple fission is the division of the nucleus, simultaneously or successively into a number of daughter nuclei, followed by division of the cell body into an equal number of parts each containing a nucleus.

Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site.

Plasmotomy is a type of asexual reproduction in which a multi- nucleate protozoan cell divides into two or more multi- nucleate daughter cells without the occurence of mitosis.