Explain endosperm development in angiosperms. -Biology

Explain endosperm development in angiosperms. -Biology
by

1 Answer

Answer :

answer:
by

Related questions

$ Double fertilization and triple fusion occurs in Angiosperms. ! Triple fusion produces triploid type of endosperm.

Description : $ Double fertilization and triple fusion occurs in Angiosperms. ! Triple fusion produces triploid type of endosperm.

Last Answer : $ Double fertilization and triple fusion occurs in Angiosperms. ! Triple fusion produces triploid type of endosperm ... D. If both As and R are wrong.

The role of double fertilisation in angiosperms is to produce (a) cotyledons (b) endocarp (c) endosperm (d) integuments.

Description : The role of double fertilisation in angiosperms is to produce (a) cotyledons (b) endocarp (c) endosperm (d) integuments.

Last Answer : (c) endosperm

In angiosperms, functional megaspore develops into (a) embryo sac (b) ovule (c) endosperm (d) pollen sac.

Description : In angiosperms, functional megaspore develops into (a) embryo sac (b) ovule (c) endosperm (d) pollen sac.

Last Answer : a) embryo sac

Explain embryo development in angiosperms. -Biology

Description : Explain embryo development in angiosperms. -Biology

Last Answer : answer:

Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm

Description : Which one of the following statements regarding post-fertilisation development in flowering plants is incorrect? (a) Ovules develop into embryo sac. (b) Ovary develops into fruit. (c) Zygote develops into embryo. (d) Central cell develops into endosperm

Last Answer : (a) Ovules develop into embryo sac.

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

Description : 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

Last Answer : Ans. ((d))

Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. (a) Perianth and two integuments (b) Embryo development and apical meristem (c) Absence of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

Description : Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms. (a) Perianth and two integuments (b) Embryo development and ... of resin duct and leaf venation (d) Presence of vessel elements and absence of archegonia

Last Answer : (d) Presence of vessel elements and absence of archegonia

Name the hormone present in liquid endosperm of coconut? -Biology

Description : Name the hormone present in liquid endosperm of coconut? -Biology

Last Answer : answer:

Name the hormone present in liquid endosperm of coconut? -Biology

Description : Name the hormone present in liquid endosperm of coconut? -Biology

Last Answer : answer:

Name some insectivorous angiosperms. -Biology

Description : Name some insectivorous angiosperms. -Biology

Last Answer : answer:

Difference between gymnosperms and angiosperms -Biology

Description : Difference between gymnosperms and angiosperms -Biology

Last Answer : answer:

Alternation of generations in angiosperms. -Biology

Description : Alternation of generations in angiosperms. -Biology

Last Answer : answer:

Double fertilization in angiosperms produces? -Biology

Description : Double fertilization in angiosperms produces? -Biology

Last Answer : answer:

Result of double fertilization in angiosperms? -Biology

Description : Result of double fertilization in angiosperms? -Biology

Last Answer : answer:

Double fertilization in angiosperms produces? -Biology

Description : Double fertilization in angiosperms produces? -Biology

Last Answer : answer:

Result of double fertilization in angiosperms? -Biology

Description : Result of double fertilization in angiosperms? -Biology

Last Answer : answer:

Mention the component cells of an embryo sac of angiosperms -Biology

Description : Mention the component cells of an embryo sac of angiosperms -Biology

Last Answer : answer:

Mention the component cells of an embryo sac of angiosperms -Biology

Description : Mention the component cells of an embryo sac of angiosperms -Biology

Last Answer : answer:

A diploid female plant and a tetraploid male plant are crossed. The ploidy of endosperm shall be

Description : A diploid female plant and a tetraploid male plant are crossed. The ploidy of endosperm shall be

Last Answer : A diploid female plant and a tetraploid male plant are crossed. The ploidy of endosperm shall be A. Tetraploid B. Triploid C. Diploid D. Pentaploid

$ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is triploid in Angiospherms

Description : $ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is triploid in Angiospherms

Last Answer : $ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is ... D. If both As and R are wrong.

The seeds which have separate endosperm: (1) Maize (2) Onion (3) Rice (4) Bean

Description : The seeds which have separate endosperm: (1) Maize (2) Onion (3) Rice (4) Bean

Last Answer : Ans. ((a))

In angiosperm, triple fusion is necessary for the formation of: (a) Embryo (b) Pollen (c) Endosperm (d) Leaf

Description : In angiosperm, triple fusion is necessary for the formation of: (a) Embryo (b) Pollen (c) Endosperm (d) Leaf

Last Answer : Ans. ((c))

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

Description : 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

Last Answer : Ans. ((c))

Coir is the commercial product of coconuts: (a) Mesocarp (b) Pericarp (c) Endocarp (d) Endosperm

Description : Coir is the commercial product of coconuts: (a) Mesocarp (b) Pericarp (c) Endocarp (d) Endosperm

Last Answer : Ans. ((a))

Polyploidy level in endosperm of Triticum aestivum

Description : Polyploidy level in endosperm of Triticum aestivum

Last Answer : Ans. 63

Polyploidy level in embryo and endosperm of seed

Description : Polyploidy level in embryo and endosperm of seed

Last Answer : Ans. 3n

Water of coconut is – (1) liquid nucellus (2) liquid rnesocarp (3) liquid endocarp (4) degenerated liquid endosperm

Description : Water of coconut is – (1) liquid nucellus (2) liquid rnesocarp (3) liquid endocarp (4) degenerated liquid endosperm

Last Answer : (4) degenerated liquid endosperm Explanation: Coconut water, the cleailiquid inside young green coconuts (fruits of the coconut palm), is liquid endosperm. In early development, it serves as a ... . It contains sugars, vitamins, minerals, proteins, free amino acids and growth promoting factors.

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

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

Last Answer : (3) endosperm Explanation: The seed includes three primary regions: the embryo, nutritive tissue, and seed coat. Endosperm is a nutritive tissue that sustains the embryo and seedling. The endosperm may ... the embryo as in many legumes, which use the cotyledons as a food source during germination.

Which part of the cinchona yields a drug? (1) Pericarp (2) Bark (3) Endosperm (4) Leaf

Description : Which part of the cinchona yields a drug? (1) Pericarp (2) Bark (3) Endosperm (4) Leaf

Last Answer : (2) Bark Explanation: The bark of cinchona tree yields quinine, a white crystalline alkaloid having antipyretic (fever-reducing), anti-malarial, analgesic (painkilling), and anti-inflammatory properties. Quinine was the first effective Western treatment for malaria caused by Plasmodium falciparum.

When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is (a) tetraploidy (b) pentaploidy (c) diploidy (d) triploidy.

Description : When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is (a) tetraploidy (b) pentaploidy (c) diploidy (d) triploidy.

Last Answer : (a) tetraploidy

The nutritive tissue around the embryo in seed is a. Endosmosis b. Endodermis c. Endosperm d. Embryo-sac

Description : The nutritive tissue around the embryo in seed is a. Endosmosis b. Endodermis c. Endosperm d. Embryo-sac

Last Answer : Endosperm

Endosperm like tissue (2n) in seed developing from nucellus is : c. Endospem d. Cotyledom e. Perisperm f. Mericar

Description : Endosperm like tissue (2n) in seed developing from nucellus is : c. Endospem d. Cotyledom e. Perisperm f. Mericar

Last Answer : Perisperm

Perisperm is (a) remnant of endosperm (b) persistent nucellus (c) peripheral part of endosperm (d) disintegrated secondary nucleus.

Description : Perisperm is (a) remnant of endosperm (b) persistent nucellus (c) peripheral part of endosperm (d) disintegrated secondary nucleus.

Last Answer : (b) persistent nucellus

Embryo sac occurs in (a) embryo (b) axis part of embryo (c) ovule (d) endosperm.

Description : Embryo sac occurs in (a) embryo (b) axis part of embryo (c) ovule (d) endosperm.

Last Answer : (c) ovule

Albuminous seeds store their reserve food mainly in (a) endosperm (b) cotyledons (c) hypocotyl (d) perisperm.

Description : Albuminous seeds store their reserve food mainly in (a) endosperm (b) cotyledons (c) hypocotyl (d) perisperm.

Last Answer : (a) endosperm

102.Perisperm differs from endosperm in (a) being a diploid tissue (b) its formation by fusion of secondary nucleus with several sperms (c) being a haploid tissue (d) having no reserve food.

Description : 102.Perisperm differs from endosperm in (a) being a diploid tissue (b) its formation by fusion of secondary nucleus with several sperms (c) being a haploid tissue (d) having no reserve food.

Last Answer : (a) being a diploid tissue

Coconut water from a tender coconut is (a) innermost layers of the seed coat (b) degenerated nucellus (c) immature embryo (d) free nuclear endosperm

Description : Coconut water from a tender coconut is (a) innermost layers of the seed coat (b) degenerated nucellus (c) immature embryo (d) free nuclear endosperm

Last Answer : (d) free nuclear endosperm.

The coconut water from tender coconut represents (a) free nuclear proembryo (b) free nuclear endosperm (c) endocarp (d) fleshy mesocarp.

Description : The coconut water from tender coconut represents (a) free nuclear proembryo (b) free nuclear endosperm (c) endocarp (d) fleshy mesocarp.

Last Answer : (b) free nuclear endosperm

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

Description : 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

Last Answer : (b) Antipodal cells and egg cell

Endosperm is formed during the double fertilisation by (a) two polar nuclei and one male gamete (b) one polar nuclei and one male gamete (c) ovum and male gamete (d) two polar nuclei and two male gametes.

Description : Endosperm is formed during the double fertilisation by (a) two polar nuclei and one male gamete (b) one polar nuclei and one male gamete (c) ovum and male gamete (d) two polar nuclei and two male gametes.

Last Answer : (a) two polar nuclei and one male gamete

Oil reserve of groundnut is present in (a) embryo (b) cotyledons (c) endosperm (d) underground tubers

Description : Oil reserve of groundnut is present in (a) embryo (b) cotyledons (c) endosperm (d) underground tubers

Last Answer : (b) cotyledons

In groundnut the food/oil reserve is present in (a) epicarp (b) mesocarp (c) endosperm (d) cotyledons.

Description : In groundnut the food/oil reserve is present in (a) epicarp (b) mesocarp (c) endosperm (d) cotyledons.

Last Answer : (d) cotyledons.

Endosperm is consumed by developing embryo in the seed of (a) pea (b) maize (c) coconut (d) castor.

Description : Endosperm is consumed by developing embryo in the seed of (a) pea (b) maize (c) coconut (d) castor.

Last Answer : (a) pea

An example of a seed with endosperm, perisperm, and caruncle is (a) coffee (b) lily (c) castor (d) cotton

Description : An example of a seed with endosperm, perisperm, and caruncle is (a) coffee (b) lily (c) castor (d) cotton

Last Answer : (c) castor

The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons? (a) Cotyledon (b) Endosperm (c) Aleurone layer (d) Plumule

Description : The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons? (a) Cotyledon (b) Endosperm (c) Aleurone layer (d) Plumule

Last Answer : (a) Cotyledon

Which one of the following statements is correct? (a) In tomato, fruit is a capsule. (b) Seeds of orchids have oil-rich endosperm. (c) Placentation in primose is basal. (d) Flower of tulip is a modified shoot.

Description : Which one of the following statements is correct? (a) In tomato, fruit is a capsule. (b) Seeds of orchids have oil-rich endosperm. (c) Placentation in primose is basal. (d) Flower of tulip is a modified shoot.

Last Answer : (d) Flower of tulip is a modified shoot.

The coconut water and the edible part of coconut are equivalent to (a) endosperm (b) endocarp (c) mesocarp (d) embryo.

Description : The coconut water and the edible part of coconut are equivalent to (a) endosperm (b) endocarp (c) mesocarp (d) embryo.

Last Answer : (a) endosperm

The morphological nature of the edible part of coconut is (a) cotyledon (b) endosperm (c) pericarp (d) perisperm.

Description : The morphological nature of the edible part of coconut is (a) cotyledon (b) endosperm (c) pericarp (d) perisperm.

Last Answer : (b) endosperm

Conifers differ from grasses in the (a) formation of endosperm before fertilization (b) production of seeds from ovules (c) lack of xylem tracheids (d) absence of pollen tubes.

Description : Conifers differ from grasses in the (a) formation of endosperm before fertilization (b) production of seeds from ovules (c) lack of xylem tracheids (d) absence of pollen tubes.

Last Answer : (a) formation of endosperm before fertilization

.In Pinus/Cycas/gymnosperms, the endosperm is (a) triploid (b) haploid (c) diploid (d) tetraploid.

Description : .In Pinus/Cycas/gymnosperms, the endosperm is (a) triploid (b) haploid (c) diploid (d) tetraploid.

Last Answer : (b) haploid