Chlamydomonas reproduction -Biology

Last Answer : $ Chlamydomonas has many pyrenoids. ! Pyrenoids help in the storage of oil droplets. A. If both As and R ... is wrong D. If both As and R are wrong.

Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.

Description : Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.

Last Answer : Write the characteristics of division that includes members like Chlamydomonas, Fucus, Gelidium, etc.

Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix

Description : Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix

Last Answer : Ans. ((c))

Write a detailed note on Chlamydomonas? (Draw Figure)

Description : Write a detailed note on Chlamydomonas? (Draw Figure)

Last Answer : i) It is single celled fresh water alga. ii) It is commonly found in ponds and drains. iii) It can be clearly seen under microscope. iv) It is spherical oval or pear shaped. ... vacuole expel excess water and wastes out from the cell. xi) It reproduces both sexually and asexually.

Which one of the following is correctly matched? (a) Onion–Bulb (b) Ginger–Sucker (c) Chlamydomonas–Conidia (d) Yeast–Zoospores

Description : Which one of the following is correctly matched? (a) Onion–Bulb (b) Ginger–Sucker (c) Chlamydomonas–Conidia (d) Yeast–Zoospores

Last Answer : (a) Onion–Bulb

Anoxygenic photosynthesis is characteristic of (a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva.

Description : Anoxygenic photosynthesis is characteristic of (a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva.

Last Answer : (a) Rhodospirillum

Which one of the following does not differ in E.coli and Chlamydomonas? (a) Ribosomes (b) Chromosomal organization (c) Cell wall (d) Cell membrane

Description : Which one of the following does not differ in E.coli and Chlamydomonas? (a) Ribosomes (b) Chromosomal organization (c) Cell wall (d) Cell membrane

Last Answer : (d) Cell membrane

Zygotic meiosis is characteristic of (a) Fucus (b) Funaria (c) Chlamydomonas (d) Marchantia

Description : Zygotic meiosis is characteristic of (a) Fucus (b) Funaria (c) Chlamydomonas (d) Marchantia

Last Answer : (c) Chlamydomonas

A plant in which sporophytic generation is represented by zygote is (a) Pinus (b) Selaginella (c) Chlamydomonas (d) Dryopteris

Description : A plant in which sporophytic generation is represented by zygote is (a) Pinus (b) Selaginella (c) Chlamydomonas (d) Dryopteris

Last Answer : (c) Chlamydomonas

Which one is the most advanced from evolutionary view point? (a) Selaginella (b) Funaria (c) Chlamydomonas (d) Pinus

Description : Which one is the most advanced from evolutionary view point? (a) Selaginella (b) Funaria (c) Chlamydomonas (d) Pinus

Last Answer : (d) Pinus

Which one of the following pairs of plants are not seed producers? (a) Fern and Funaria (b) Funaria and Ficus (c) Ficus and Chlamydomonas (d) Funaria and Pinus

Description : Which one of the following pairs of plants are not seed producers? (a) Fern and Funaria (b) Funaria and Ficus (c) Ficus and Chlamydomonas (d) Funaria and Pinus

Last Answer : (a) Fern and Funaria

The product of conjugation in Spirogyra or fertilization of Chlamydomonas is (a) zygospore (b) zoospore (c) oospore (d) carpospore.

Description : The product of conjugation in Spirogyra or fertilization of Chlamydomonas is (a) zygospore (b) zoospore (c) oospore (d) carpospore.

Last Answer : (a) zygospore

Chloroplast of Chlamydomonas is (a) stellate (b) cup-shaped (c) collar-shaped (d) spiral.

Description : Chloroplast of Chlamydomonas is (a) stellate (b) cup-shaped (c) collar-shaped (d) spiral.

Last Answer : (b) cup-shaped

Isogamous condition with non-flagellated gametes is found in (a) Volvox (b) Fucus (c) Chlamydomonas (d) Spirogyra.

Description : Isogamous condition with non-flagellated gametes is found in (a) Volvox (b) Fucus (c) Chlamydomonas (d) Spirogyra.

Last Answer : (d) Spirogyra.

Select the wrong statement. (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile. (b) Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy. (c) Isogametes are similar in structure, function and behaviour. (d) Anisogametes differ either in structure, function or behaviour.

Description : Select the wrong statement. (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile. (b) Chlamydomonas exhibits both isogamy and anisogamy and ... in structure, function and behaviour. (d) Anisogametes differ either in structure, function or behaviour.

Last Answer : (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile.

Membrane-bound organelles are absent in (a) Saccharomyces (b) Streptococcus (c) Chlamydomonas (d) Plasmodium.

Description : Membrane-bound organelles are absent in (a) Saccharomyces (b) Streptococcus (c) Chlamydomonas (d) Plasmodium.

Last Answer : (b) Streptococcus

In the five kingdom classification, Chlamydomonas and Chlorella have been included in (a) protista (b) algae (c) plantae (d) monera

Description : In the five kingdom classification, Chlamydomonas and Chlorella have been included in (a) protista (b) algae (c) plantae (d) monera

Last Answer : (a) protista

Zygotic meiosis is characteristic of; (1) Fucus (2) Funaria (3) Chlamydomonas (4) Marchantia

Description : Zygotic meiosis is characteristic of; (1) Fucus (2) Funaria (3) Chlamydomonas (4) Marchantia

Last Answer : (3) Chlamydomonas

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

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

Last Answer : (2) Onion – Bulb

Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology

Description : Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology

Last Answer : Gamete represents the sex cell or germ cell in sexual reproduction. ... Zygote is the product of fertilization in which a male and a female gamete fuse with each other. The two fusing ... characters of their parents in their DNA. Fertilization brings characters of both parents into one zygote cell.

Give two reasons for the appearance of variations among the progeny formed by sexual reproduction. -Biology

Description : Give two reasons for the appearance of variations among the progeny formed by sexual reproduction. -Biology

Last Answer : Now, the two major reasons for appearance of variation among the progeny formed from sexual reproduction are; crossing over in which the DNA gets exchanged between the homologous chromosomes during the meiosis that causes variation in the offspring.

Can you consider cell division as a type of reproduction in unicellular organism? Give one reason. -Biology

Description : Can you consider cell division as a type of reproduction in unicellular organism? Give one reason. -Biology

Last Answer : Unicellular organisms reproduce by asexual reproduction which is simple division of parent cell into two daughter cells. Now, these two daughter cells grow into mature organism. Hence, cell division can be considered as mode of reproduction in single celled organisms

What is the importance of DNA copying in reproduction? -Biology

Description : What is the importance of DNA copying in reproduction? -Biology

Last Answer : DNA copying has following importance in reproduction: It maintains the characteristics of species. It maintains the continuity of life. From this, the characteristics and features of organisms are ... progeny. It produces variations in organisms which is the basis of evolution of new species.

What are the two types of Reproduction? -Biology

Description : What are the two types of Reproduction? -Biology

Last Answer : There are two types of reproduction: asexual and sexual reproduction. Though asexual reproduction is faster and more energy efficient, sexual reproduction better promotes genetic diversity through new combinations of alleles during meiosis and fertilization.

Why is reproduction essential for organisms? -Biology

Description : Why is reproduction essential for organisms? -Biology

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Why is vegetative reproduction also considered as a type of asexual reproduction? -Biology

Description : Why is vegetative reproduction also considered as a type of asexual reproduction? -Biology

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Distinguish between asexual and sexual reproduction. -Biology

Description : Distinguish between asexual and sexual reproduction. -Biology

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Explain reproduction in algae. -Biology

Description : Explain reproduction in algae. -Biology

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