(D) The correct answer is $(d)$.In the provided diagram of an ovule:- Number $5$ represents the zygote (formed after fertilization of the egg cell),wh

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(D) The correct answer is $(d)$.In the provided diagram of an ovule:- Number $5$ represents the zygote (formed after fertilization of the egg cell),which develops into the embryo.- Number $2$ represents the integument,which develops into the seed coat or testa.- Number $4$ represents the micropyle,which remains as the micropyle in the seed.Therefore,the sequence $(i), (ii), (iii)$ corresponds to $5, 2, 4$.

Class 12 Biology Sexual Reproduction in Flowering Plants Embryo

Medium

The diagram below shows a fertilised ovule and carpel. Which numbers represent the structures which will become:
$(i)$ The future embryo
$(ii)$ The future testa
$(iii)$ The future micropyle of the seeds
$(i), (ii), (iii)$ respectively?

A
$5, 3, 1$
B
$7, 8, 4$
C
$6, 3, 7$
D
$5, 2, 4$

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Sexual Reproduction in Flowering Plants

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Embryo

Examine the figure given below and select the right option identifying all the four parts $a, b, c$ and $d$.

Medium

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Select the correct option for embryogenesis.

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$A$: Eight cells of the octant stage in dicot embryogeny are formed by $2$ vertical and $1$ transverse division in the embryonal cell.
$R$: These cells are arranged in epibasal and hypobasal tiers.

Medium

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$A$: Complete radicle is not produced by the hypo-basal tier of the octant embryo during Crucifer-type development.
$R$: The hypophysis cell of the suspensor contributes to the tip of the radicle in this type of development.

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Select the incorrect statement regarding the embryo of angiospermic plants.

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The diagram below shows a fertilised ovule and carpel. Which numbers represent the structures which will become:$(i)$ The future embryo$(ii)$ The future testa$(iii)$ The future micropyle of the seeds$(i), (ii), (iii)$ respectively?

Similar Questions

Examine the figure given below and select the right option identifying all the four parts $a, b, c$ and $d$.

Select the correct option for embryogenesis.

$A$: Eight cells of the octant stage in dicot embryogeny are formed by $2$ vertical and $1$ transverse division in the embryonal cell.$R$: These cells are arranged in epibasal and hypobasal tiers.

$A$: Complete radicle is not produced by the hypo-basal tier of the octant embryo during Crucifer-type development.$R$: The hypophysis cell of the suspensor contributes to the tip of the radicle in this type of development.

Select the incorrect statement regarding the embryo of angiospermic plants.

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The diagram below shows a fertilised ovule and carpel. Which numbers represent the structures which will become:
$(i)$ The future embryo
$(ii)$ The future testa
$(iii)$ The future micropyle of the seeds
$(i), (ii), (iii)$ respectively?

$A$: Eight cells of the octant stage in dicot embryogeny are formed by $2$ vertical and $1$ transverse division in the embryonal cell.
$R$: These cells are arranged in epibasal and hypobasal tiers.

$A$: Complete radicle is not produced by the hypo-basal tier of the octant embryo during Crucifer-type development.
$R$: The hypophysis cell of the suspensor contributes to the tip of the radicle in this type of development.