Meiosis takes place in (a) gemmule (b) megaspore (c) meiocyte (d) conidia.

Meiosis takes place in
(a) gemmule (b) megaspore
(c) meiocyte (d) conidia.
by

1 Answer

Answer :

(c) meiocyte
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Related questions

Meiosis takes place in:a) Gemmule b) Megaspore c) Meiocyte d) Conidia

Description : Meiosis takes place in:a) Gemmule b) Megaspore c) Meiocyte d) Conidia

Last Answer : c) Meiocyte

4.A mature embryosac in angiosperm is formed from a megaspore mother cell by ------- cell divisions. (a) one mitosis and two meiosis, b)two mitosis and one meiosis, c)three mitosis and two meiosis d)three mitosis and one meiosis)

Description : 4.A mature embryosac in angiosperm is formed from a megaspore mother cell by ------- cell divisions. (a) one mitosis and two meiosis, b)two mitosis and one meiosis, c)three mitosis and two meiosis d)three mitosis and one meiosis)

Last Answer : d)three mitosis and one meiosis)

When a diploid embryosac is formed from a megaspore mother cell without meiosis, it is called as

Description : When a diploid embryosac is formed from a megaspore mother cell without meiosis, it is called as

Last Answer : When a diploid embryosac is formed from a megaspore mother cell without meiosis, it is called as – Diplospory

1.Meiocyte of paddy plant has 24 chromosomes. The number of chromosomes in the endosperm, nucellus and synergid are respectively ----------------- . (a)24,12,36 b) 24, 24,12 c)36, 12, 24 d) 36, 24, 12 )

Description : 1.Meiocyte of paddy plant has 24 chromosomes. The number of chromosomes in the endosperm, nucellus and synergid are respectively ----------------- . (a)24,12,36 b) 24, 24,12 c)36, 12, 24 d) 36, 24, 12 )

Last Answer : (a)24,12,36

Gemmule formation is sponges is useful in

Description : Gemmule formation is sponges is useful in

Last Answer : Gemmule formation is sponges is useful in A. asexual reproduction B. Sexual reproduction C. parthenogenesis D. parthenocarpy.

Internal buds of sponges produced during adverse conditions a) Archaeocytes b) Osculum c) Micropyle d) Gemmule

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Assertion : Meiosis produces four genetically dissimilar cells. Reason : Crossing over or gene exchange takes place in meiosis.

Description : Assertion : Meiosis produces four genetically dissimilar cells. Reason : Crossing over or gene exchange takes place in meiosis.

Last Answer : Assertion : Meiosis produces four genetically dissimilar cells. Reason : Crossing over or gene exchange ... . If both Assertion & Reason are false.

Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place during meiosis-II.

Description : Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place during meiosis-II.

Last Answer : Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place ... . If both Assertion & Reason are false.

Match the stages of meiosis in column I to their characteristic features in column II and select the correct option using the codes given below. Column I Column II A. Pachytene (i) Pairing of homologous chromosomes B. Metaphase I (ii) Terminalisation of chiasmata C. Diakinesis (iii) Crossing-over takes place D. Zygotene (iv) Chromosomes align at equatorial plate (a) A-(iii), B-(iv), C-(ii), D-(i) (b) A-(i), B-(iv), C-(ii), D-(iii) (c) A-(ii), B-(iv), C-(iii), D-(i) (d) A-(iv), B-(iii), C-(ii), D-(i)

Description : Match the stages of meiosis in column I to their characteristic features in column II and select the correct option using the codes given below. Column I Column II A. Pachytene (i) Pairing of homologous chromosomes B. Metaphase I (ii) ... , C-(iii), D-(i) (d) A-(iv), B-(iii), C-(ii), D-(i)

Last Answer : (a) A-(iii), B-(iv), C-(ii), D-(i)

In ferns, meiosis takes place at the time of (a) spore formation (b) spore germination (c) gamete formation (d) antheridia and archegonia formation.

Description : In ferns, meiosis takes place at the time of (a) spore formation (b) spore germination (c) gamete formation (d) antheridia and archegonia formation.

Last Answer : (a) spore formation

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Last Answer : (a) Onion–Bulb

Which of the following pairs is not correctly matched? Mode of reproduction Example (a) Binary fission Sargassum (b) Conidia Penicillium (c) Offset Water hyacinth (d) Rhizome Banana

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Last Answer : a) Binary fission Sargassum

Which of the following statements is incorrect? (a) Yeasts have filamentous bodies with long thread like hyphae. (b) Morels and truffles are edible delicacies. (c) Claviceps is a source of many alkaloids and LSD. (d) Conidia are produced exogenously and ascospores endogenously

Description : Which of the following statements is incorrect? (a) Yeasts have filamentous bodies with long thread like hyphae. (b) Morels and truffles are edible delicacies. (c) Claviceps is a source of many alkaloids and LSD. (d) Conidia are produced exogenously and ascospores endogenously

Last Answer : (a) Yeasts have filamentous bodies with long thread like hyphae.

All the following are examples of asexual spore formation except: a. Arthrospores. b. Conidia. c. Sporangiospores. d. Basidiospores.

Description : All the following are examples of asexual spore formation except: a. Arthrospores. b. Conidia. c. Sporangiospores. d. Basidiospores.

Last Answer : d. Basidiospores.

Which one of the following is correctly matched ? (1) Yeast – Zoospores (2) Onion – Bulb (3) Ginger – Sucker (4) Chlamydomonas – Conidia

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Last Answer : (2) Onion – Bulb

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Description : What is a megaspore mother cell? -Biology

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Embryo sac represents: (a) Megaspore (b) Megagamete (c) Megasporophyll (d) megagametophyte

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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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Female gametophyte of angiosperms is represented by (a) ovule (b) megaspore mother cell (c) embryo sac (d) nucellus.

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Embryo sac represents (a) megaspore (b) megagametophyte (c) megasporophyll (d) megagamete.

Description : Embryo sac represents (a) megaspore (b) megagametophyte (c) megasporophyll (d) megagamete.

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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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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

Megaspores are produced from the megaspore mother cells after (a) mitotic division (b) formation of thick wall (c) differentiation (d) meiotic division.

Description : Megaspores are produced from the megaspore mother cells after (a) mitotic division (b) formation of thick wall (c) differentiation (d) meiotic division.

Last Answer : d) meiotic division.

The ovule of an angiosperm is technically equivalent to (a) megasporangium (b) megasporophyll (c) megaspore mother cell (d) megaspore.

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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.

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

Functional megaspore in an angiosperm develops into ? (1) Endosperm (2) Embryo sac (3) Embryo (4) Ovule

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

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

Last Answer : Ans : a) Microspore

In angiosperms, functional megaspore develops into:a) Embryo sacb) Ovulec) Endospermd) Pollen sac

Description : Vegetative propagation is Pistiaoccurs bya) StIn angiosperms, functional megaspore develops into:a) Embryo sacb) Ovulec) Endospermd) Pollen sacolenb) Offsetc) Runnerd) Sucker

Last Answer : Embryo sac

During meiosis how cycles of nucleus division, DNA replication and division of centromere take place respectively :-

Description : During meiosis how cycles of nucleus division, DNA replication and division of centromere take place respectively :-

Last Answer : During meiosis how cycles of nucleus division, DNA replication and division of centromere take place respectively :- ... , Two, One D. Two, One, One

What is the difference between mitosis and meiosis?

Description : What is the difference between mitosis and meiosis?

Last Answer : Answer: Mitosis and meiosis are two types of cell division. Mitosis is the process by which a single cell divides into two identical daughter cells, each with the same number of chromosomes as ... cell division that is involved in the production of gametes (sperm and eggs) for sexual reproduction.

What is the difference between mitosis and meiosis?

Description : What is the difference between mitosis and meiosis?

Last Answer : Mitosis and meiosis are two distinct processes involved in cell division, but they have different purposes and outcomes. Here's a summary of the main differences between mitosis and meiosis: 1 ... These processes play crucial roles in maintaining the stability and diversity of life forms on Earth.

What is meiosis?

Description : What is meiosis?

Last Answer : Meiosis is a type of cell division that occurs in sexually reproducing organisms. It is a fundamental process in biology that leads to the production of gametes (sex cells), such as ... that offspring inherit a diverse set of genes from their parents, promoting adaptability and evolutionary success.

What is the difference between mitosis and meiosis?

Description : What is the difference between mitosis and meiosis?

Last Answer : A: Mitosis is the process of cell division that results in two genetically identical daughter cells, while meiosis is the process of cell division that results in four genetically diverse daughter cells.

What is the difference between mitosis and meiosis?

Description : What is the difference between mitosis and meiosis?

Last Answer : A: Mitosis is a type of cell division that results in the formation of two identical daughter cells, while meiosis is a type of cell division that results in the formation of four genetically diverse daughter cells.

What is the difference between mitosis and meiosis?

Description : What is the difference between mitosis and meiosis?

Last Answer : A: Mitosis is a type of cell division that results in the production of two identical daughter cells, while meiosis is a type of cell division that results in the production of four genetically diverse daughter cells, each with half the number of chromosomes as the parent cell.

What is the difference between mitosis and meiosis?

Description : What is the difference between mitosis and meiosis?

Last Answer : A: Mitosis is the process by which a cell divides into two identical daughter cells, while meiosis is the process by which a cell divides into four non-identical daughter cells, each with half the number of chromosomes as the parent cell.