Granal thylakoids occur in a

Question

Granal thylakoids occur in a

A. chloroplast

B. mitochondrion

C. microtubules

D. crista

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Comment

Which structure performs a similar function in both plant and animal cell

A. Ribosomes

B. Contractile vacuoles

C. Chloroplasts

D. Cell wall

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One of the following is a single-membraned structure:

A. Chloroplast

B. Nucleus

C. Mitochondria

D. Lysosome

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Cellular components can be physically separated from each other by

A. centrifugation

B. radioactive tracers

C. microscopy

D. chromatography

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One angstrom is equal to

A. $10^{- 8}$ cm

B. $10^{- 8}$ m

C. $10^{- 6}$ m

D. $10^{- 7}$ m

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Another name for ligase is

A. joining enzyme

B. RNA polymerase

C. nuclease

D. none of these

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The organelles for fat synthesis are

A. glyoxisomes

B. lomasomes

C. spherosomes

D. lysosomes

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Ribosomes of plastids and mitochondria are

A. 55S to 70S

B. 80S

C. 40S

D. 60S

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The photosynthetic units are known as

A. dictyosomes

B. quantosomes

C. microsomes

D. ribosomes

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Carbohydrate is synthesized from fat within

A. lysosome

B. spherosome

C. glyoxysome

D. lomasome

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In centriole, microtubules are arranged in this order:

A. 9 + 2

B. 9 + 4

C. 9 + 0

D. 9 + 1

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Ribosomes are the centre of

A. respiration

B. photosynthesis

C. protein synthesis

D. fat synthesis

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The nucleus of a plant cell was discovered by

A. Robert Brown

B. Huxley

C. Virchow

D. Hammerling

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The discoverers of electron microscope are

A. Huxley and Virchow

B. Leeuwenhok and Hooke

C. Knoll and Ruska

D. Farmer and Moore

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In plant cell vacuole contains

A. water

B. cytoplasm

C. air

D. water and dissolved substance

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In the mitochondria, cytochromes are localised in

A. matrix

B. outer membrane

C. inner membrane

D. none of these

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"The substance of cells is living " was firs suggested by

A. Purkinje

B. Lamarck

C. Dutrochet

D. Dujardin

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There are 46 chromosomes in humans, of which

A. any 23 chromosomes are from father and remaining from the mother

B. the first 11 pairs and 'X' are from the father and next 11 pairs and 'Y' from the mother

C. the first 11 pairs and 'X' from mother and remaining from father

D. out of each pair one is received from the father and the other from the mother

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Granal thylakoids occur in a

A. chloroplast

B. mitochondrion

C. microtubules

D. crista

Discuss this answer

Sequence of nucleotides in a DNA strand is CAT TAG CAT CAT GAC, what will be the base sequence in complementary strand of RNA?

A. GUA AUC GUA GUA CUG

B. GTA ATC GAT GTA CTA

C. TAG ATG ATG GUA CUG

D. GTA ATG GTA GAT CTA

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Chemical constitution of nucleus is

A. DNA and proteins

B. RNA and proteins

C. DNA, RNA and proteins

D. RNA arid DNA

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Mitochondria were first observed in striated muscle cells by

A. Benda

B. Kolliker

C. Altmann

D. Robert Hooke

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Intake of liquid food by formation of food vacuoles is called

A. pinocytocis

B. phagocytosis

C. absorption

D. imbibition

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Nobel prize for RNA synthesis was awarded to

A. A. Kornberg

B. S.Ochoa

C. H. Khorana

D. Nirenberg

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Electron microscope has revealed the presence of

A. ribosomes

B. chromosomes

C. chloroplast

D. leucoplast

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Cell membranes are composed mainly of

A. sugar and proteins

B. lipids and proteins

C. starch and lipids

D. sugar and lipids

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The cell size is dependent upon

A. oxygen supply

B. nutrition

C. regulation by nucleus

D. all of die above

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The nucleus of a prokaryotic cell is represented by

A. a well-defined nuclear membrane

B. nucleolus only

C. double stranded circular DNA

D. single stranded DNA

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Unstained living tissues of a cell can be examined by

A. phase contrast microscope

B. electron microscope

C. light microscope

D. autoradiography

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Nitrogenous bases of RNA are

A. uracil and adenine

B. thymine and uracil

C. uracil, adenine, guanine and cytosine

D. thymine, adenine, guanine and cytosine

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Janus-green-B is used for staining

A. ribosomes

B. chloroplast

C. mitochondrion

D. all of these

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Accepted Answer

A. chloroplast

Granal thylakoids occur in a

Correct Answer :

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Related Questions

Which structure performs a similar function in both plant and animal cell

One of the following is a single-membraned structure:

Cellular components can be physically separated from each other by

One angstrom is equal to

Another name for ligase is

The organelles for fat synthesis are

Ribosomes of plastids and mitochondria are

The photosynthetic units are known as

Carbohydrate is synthesized from fat within

In centriole, microtubules are arranged in this order:

Ribosomes are the centre of

The nucleus of a plant cell was discovered by

The discoverers of electron microscope are

In plant cell vacuole contains

In the mitochondria, cytochromes are localised in

"The substance of cells is living " was firs suggested by

There are 46 chromosomes in humans, of which

Granal thylakoids occur in a

Sequence of nucleotides in a DNA strand is CAT TAG CAT CAT GAC, what will be the base sequence in complementary strand of RNA?

Chemical constitution of nucleus is

Mitochondria were first observed in striated muscle cells by

Intake of liquid food by formation of food vacuoles is called

Nobel prize for RNA synthesis was awarded to

Electron microscope has revealed the presence of

Cell membranes are composed mainly of

The cell size is dependent upon

The nucleus of a prokaryotic cell is represented by

Unstained living tissues of a cell can be examined by

Nitrogenous bases of RNA are

Janus-green-B is used for staining

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