Cleistogamous flowers are found in ....

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(D) Cleistogamous flowers are flowers that do not open at all. In such flowers,the anthers and stigma lie close to each other. When anthers dehisce in

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All of the above

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(D) Cleistogamous flowers are flowers that do not open at all. In such flowers,the anthers and stigma lie close to each other. When anthers dehisce in the flower buds,pollen grains come in contact with the stigma to effect pollination. Thus,cleistogamous flowers are invariably autogamous as there is no chance of cross-pollination. Examples of plants that produce cleistogamous flowers include $Viola$ (common pansy),$Oxalis$,and $Commelina$. Therefore,the correct option is $D$.

Column-$I$	Column-$II$
$(1)$ Grasses	$(P)$ Prevent autogamy and geitonogamy
$(2)$ Hydrilla	$(Q)$ Wind pollination
$(3)$ Cleistogamous flower	$(R)$ Water pollination
$(4)$ Papaya	$(S)$ Autogamy

Similar Questions

Statement $(X)$: Endosperm is formed before fertilization.
Statement $(Y)$: Double fertilization is observed.

Match the following:

Column-$I$ Column-$II$

$(1)$ Grasses $(P)$ Prevent autogamy and geitonogamy

$(2)$ Hydrilla $(Q)$ Wind pollination

$(3)$ Cleistogamous flower $(R)$ Water pollination

$(4)$ Papaya $(S)$ Autogamy

Banana is a parthenocarpic fruit because

In . . . . . . ,pollen grains are long and ribbon-like.

If the roots of a flowering plant contain $24$ chromosomes,how many chromosomes will its gametes contain?

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