Which of the following pair have haploid structures? (a) Nucellus and antipodal cells (b) Antipodal cells and egg cell (c) Antipodal cells and megaspore mother cell (d) Nucellus and primary endosperm nucleus

Which of the following pair have haploid structures?
(a) Nucellus and antipodal cells
(b) Antipodal cells and egg cell
(c) Antipodal cells and megaspore mother cell
(d) Nucellus and primary endosperm nucleus
by

1 Answer

Answer :

(b) Antipodal cells and egg cell
by

Related questions

Which one of the following pairs of plant structures has haploid number of chromosomes? (a) Nucellus and antipodal cells (b) Egg nucleus and secondary nucleus (c) Megaspore mother cell and antipodal cells (d) Egg cell and antipodal cells

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Last Answer : d) Egg cell and antipodal cells

Haploid cells belong to: (a) Integument, pollen grain, endosperm (b) Embryo, endosperm and pollen grain (c) Megaspore, pollen grain, antipodal (d) Integument, pollen grain and antipodal

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Last Answer : Ans. ((c))

In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.

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Last Answer : (c) reduction division occurs in the megaspore mother cells

n Pinus/gymnosperms, the haploid structure are (a) megaspore, endosperm and embryo (b) megaspore, pollen grain and endosperm (c) megaspore, integument and root (d) pollen grain, leaf and root.

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Last Answer : (c) embryo sac

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Last Answer : (a) being a diploid tissue

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The nutritive tissue in the seeds of higher plants is known as - (1) hypocotyl (2) embryo (3) endosperm (4) nucellus

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Last Answer : (d) haploid.

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Last Answer : answer:

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Last Answer : nucellus

Microsporogenesis is the formation of : a) Microspore b) Megaspore c) Egg d) Embryo sac

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When the embryo develops from haploid egg cell without fertilization, the phenomenon is called as

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In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

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Last Answer : Ans. ((d))

A plant having two types of haploid structures in its life cycle is known as: (a) Haplobiontic (b) Diplobiontic (c) Haplontic (d) Diplontic

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At which stage of spermatogenesis sperm acquire their whole structural maturity and they contain a haploid nucleus & other organs-

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When the diploid embryosac is formed from the cells of nucellus, it is known as

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Last Answer : When the diploid embryosac is formed from the cells of nucellus, it is known as – Apospory

When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as

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Last Answer : When embryo arises directly from the (2n) sporophytic cells like nucellus or integuments it is called as – Adventive embryony

Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus

Description : Consider the following statement: (1) In plant cells, cytokinesis start with the formation of the phragmoplast (2) Phragmoplast comprises intrazonal microtubules and Golgi vesicles (3) Primary cell wall is produced by microtubules (4) Phragmoplast is formed by nucleus

Last Answer : Ans. ((a))

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Last Answer : Answer : D

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