Identify the correct statement.

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(C) $1$. The term 'monoecious' describes a bisexual condition (both male and female reproductive organs in the same plant),while 'dioecious' describes

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In a majority of organisms,the male gamete is motile and the female gamete is stationary.

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(C) $1$. The term 'monoecious' describes a bisexual condition (both male and female reproductive organs in the same plant),while 'dioecious' describes a unisexual condition. Thus,option $A$ is incorrect.$2$. Cucumber plants bear separate male and female flowers on the same plant,making them monoecious,not dioecious. Thus,option $B$ is incorrect.$3$. In most organisms,the male gamete is small and motile,while the female gamete is large and stationary (non-motile). This is a standard biological fact. Thus,option $C$ is correct.$4$. In angiosperms,pollen grains carry the male gametes,not the female gametes. Thus,option $D$ is incorrect.

Column-$I$	Column-$II$
$(a)$ Penicillium	$(1)$ Zoospores
$(b)$ Hydra	$(2)$ Gemmules
$(c)$ Sponge	$(3)$ Conidia
$(d)$ Chlamydomonas	$(4)$ Budding

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Is the number of eggs laid by oviparous animals equal to the number of offspring produced by viviparous animals? Why?

Events in the sexual reproduction:
$I.$ Pre-fertilisation
$II.$ Fertilisation
$III.$ Post-fertilisation
The sequential order of their occurrence is:

Identify the organisms shown in the following diagrams $A$, $B$, and $C$.

Which of the following organisms breed only once in their lifetime?
$I -$ Bamboo,$II -$ Birds,$III -$ Mammals,$IV -$ Deep sea fish,$V -$ Pacific salmon fish

Match the following columns:

Column-$I$ Column-$II$

$(a)$ Penicillium $(1)$ Zoospores

$(b)$ Hydra $(2)$ Gemmules

$(c)$ Sponge $(3)$ Conidia

$(d)$ Chlamydomonas $(4)$ Budding

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