Pollen grain of hibiscus? -Biology

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))

The study of pollen grain is known as : (a) Palaeobotany (b) Palynology (c) Pomology (d) Phonology

Description : The study of pollen grain is known as : (a) Palaeobotany (b) Palynology (c) Pomology (d) Phonology

Last Answer : Ans:(b)

Male gametophyte of angiosperms is shed at (a) four celled pollen grain (b) three celled pollen grain (c) microspore mother cell (d) anther.

Description : Male gametophyte of angiosperms is shed at (a) four celled pollen grain (b) three celled pollen grain (c) microspore mother cell (d) anther.

Last Answer : b) three celled pollen grain

Point out the odd one. (a) Nucellus (b) Embryo sac (c) Micropyle (d) Pollen grain

Description : Point out the odd one. (a) Nucellus (b) Embryo sac (c) Micropyle (d) Pollen grain

Last Answer : (d) Pollen grain

Which one of the following is surrounded by a callose wall? (a) Male gamete (b) Egg (c) Pollen grain (d) Microspore mother cell

Description : Which one of the following is surrounded by a callose wall? (a) Male gamete (b) Egg (c) Pollen grain (d) Microspore mother cell

Last Answer : (d) Microspore mother cell

The plant parts which consist of two generations- one within the other (1) pollen grains inside the anther (2) germinated pollen grain with two male gametes (3) seed inside the fruit (4) embryo sac inside the ovule (a) (1) only (b) (1), (2), and (3) (c) (3) and (4)

Description : The plant parts which consist of two generations- one within the other (1) pollen grains inside the anther (2) germinated pollen grain with two male gametes (3) seed inside the fruit (4) embryo sac inside the ovule (a) (1) only (b) (1), (2), and (3) (c) (3) and (4)

Last Answer : (d) (1) and (4).

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.

Description : 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.

Last Answer : (b) megaspore, pollen grain and endosperm

.In Pinus, the pollen grain has 6 chromosomes then in its endosperm will have (a) 12 (b) 18 (c) 6 (d) 24.

Description : .In Pinus, the pollen grain has 6 chromosomes then in its endosperm will have (a) 12 (b) 18 (c) 6 (d) 24.

Last Answer : (c) 6

In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the egg(c) the microsporangium in which pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.

Description : In gymnosperms, the pollen chamber represents (a) a cavity in the ovule in which pollen grains are stored after pollination (b) an opening in the megagametophyte through which the pollen tube approaches the ... pollen grains develop (d) a cell in the pollen grain in which the sperms are formed.

Last Answer : (c) the microsporangium in which pollen grains develop

12. ------------ is the composition of the intine of the pollen grain (a) cellulose and kitin (b) kitin and polysaccharide (c) cellulose and pectin (d) polysaccharide and glycoprotein

Description : 12. ------------ is the composition of the intine of the pollen grain (a) cellulose and kitin (b) kitin and polysaccharide (c) cellulose and pectin (d) polysaccharide and glycoprotein

Last Answer : (c) cellulose and pectin

Name two cells of a mature pollen grain?

Description : Name two cells of a mature pollen grain?

Last Answer : Ans: Vegetative cell and Generative cell

Exine layer of pollen grain is made up of : a) sporopollenin b)Pectin c) cellulose d)chitin

Description : Exine layer of pollen grain is made up of : a) sporopollenin b)Pectin c) cellulose d)chitin

Last Answer : Ans: a)sporopollenin

In a cell haploid chromosome number is 15. What number is found in Pollen grain, Zygote, Primary endosperm nucleus and Colchicine treated zygote.

Description : In a cell haploid chromosome number is 15. What number is found in Pollen grain, Zygote, Primary endosperm nucleus and Colchicine treated zygote.

Last Answer : Ans: 15 in pollen grain, 30 in zygote, 45 in Primary Endosperm nucleus and 60 in colchicine treated zygote.

Study of pollen grain is called- (a) Pomology (b) Palynology (c) Phocology (d) Mycology

Description : Study of pollen grain is called- (a) Pomology (b) Palynology (c) Phocology (d) Mycology

Last Answer : (b) Palynology

What is the difference between Pollen and Pollenium? -Biology

Description : What is the difference between Pollen and Pollenium? -Biology

Last Answer : The male gamete containing structure in a flower is called pollen. A mass of pollen grains from the same flower is called pollenium. In a pollenium, the pollen grains are held together by a sticky substance and all the pollen grains are thus transferred together, as is Calotropis

What is the difference between Pollen and Pollinium? -Biology

Description : What is the difference between Pollen and Pollinium? -Biology

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Where is pollen produced in a gymnosperm? -Biology

Description : Where is pollen produced in a gymnosperm? -Biology

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Factors which stimulate pollen tube germination. -Biology

Description : Factors which stimulate pollen tube germination. -Biology

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What is a pollen tube? -Biology

Description : What is a pollen tube? -Biology

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What stimulates the pollen tube to grow? -Biology

Description : What stimulates the pollen tube to grow? -Biology

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Function of pollen tube? -Biology

Description : Function of pollen tube? -Biology

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Why is the growth of a pollen tube important? -Biology

Description : Why is the growth of a pollen tube important? -Biology

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Why are pollen tubes necessary for seed plants? -Biology

Description : Why are pollen tubes necessary for seed plants? -Biology

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Why is the growth of a pollen tube important? -Biology

Description : Why is the growth of a pollen tube important? -Biology

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What is the function of the pollen tube? -Biology

Description : What is the function of the pollen tube? -Biology

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Growth of pollen tube. -Biology

Description : Growth of pollen tube. -Biology

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Pollen tube attraction near ovule is facilitated by -Biology

Description : Pollen tube attraction near ovule is facilitated by -Biology

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When pollen grains are transferred to the stigma? -Biology

Description : When pollen grains are transferred to the stigma? -Biology

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When pollen is transferred from the anther to the stigma? -Biology

Description : When pollen is transferred from the anther to the stigma? -Biology

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Function of pollen tube? -Biology

Description : Function of pollen tube? -Biology

Last Answer : answer:

Why is the growth of a pollen tube important? -Biology

Description : Why is the growth of a pollen tube important? -Biology

Last Answer : answer:

Why are pollen tubes necessary for seed plants? -Biology

Description : Why are pollen tubes necessary for seed plants? -Biology

Last Answer : answer:

What is the function of the pollen tube? -Biology

Description : What is the function of the pollen tube? -Biology

Last Answer : answer:

Growth of pollen tube. -Biology

Description : Growth of pollen tube. -Biology

Last Answer : answer:

Why is the growth of a pollen tube important? -Biology

Description : Why is the growth of a pollen tube important? -Biology

Last Answer : answer:

Pollen tube attraction near ovule is facilitated by -Biology

Description : Pollen tube attraction near ovule is facilitated by -Biology

Last Answer : answer:

When pollen grains are transferred to the stigma? -Biology

Description : When pollen grains are transferred to the stigma? -Biology

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When pollen is transferred from the anther to the stigma? -Biology

Description : When pollen is transferred from the anther to the stigma? -Biology

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What are pollen grains? -Biology

Description : What are pollen grains? -Biology

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Where are pollen grains produced? -Biology

Description : Where are pollen grains produced? -Biology

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What do pollen grains contain? -Biology

Description : What do pollen grains contain? -Biology

Last Answer : answer:

What are pollen grains? -Biology

Description : What are pollen grains? -Biology

Last Answer : answer:

What do pollen grains contain? -Biology

Description : What do pollen grains contain? -Biology

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Where are pollen grains produced? -Biology

Description : Where are pollen grains produced? -Biology

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Pollen grain of hibiscus? -Biology

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