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

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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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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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The term protoplasm was termed by

A. Dujardin

B. Purkinje

C. VonMohl

D. Malpighi

Discuss this answer

Lysosomes were discovered by

A. Porter

B. DeDuve

C. Palade

D. Golgi

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Electron microscope has revealed the presence of

A. ribosomes

B. chromosomes

C. chloroplast

D. leucoplast

Discuss this answer

One of the following is a single-membraned structure:

A. Chloroplast

B. Nucleus

C. Mitochondria

D. Lysosome

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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 "chromosome theory of heredity" was given by

A. Sutton and Bateson

B. Bateson and Punnett

C. Sutton and Boveri

D. Waldeyer and Hofmeister

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In electron microscope the source of light used is

A. sunlight

B. UV-light

C. far red

D. beam of electrons

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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

Discuss this answer

Granal thylakoids occur in a

A. chloroplast

B. mitochondrion

C. microtubules

D. crista

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The cells were first seen microscopically by

A. Scheiden

B. Schwann

C. Leeuwenhock

D. Robert Hook

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The photosynthetic units are known as

A. dictyosomes

B. quantosomes

C. microsomes

D. ribosomes

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Cell organelle which has electron transport system is

A. nucleus

B. centriole

C. nucleolus

D. mitochondria

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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 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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Physical basis of life is

A. nucleus

B. cell

C. protoplasm

D. nutrition

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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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The cell size is dependent upon

A. oxygen supply

B. nutrition

C. regulation by nucleus

D. all of die above

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Extranuclear DNA is found in

A. chloroplast

B. ribosomes

C. endoplasmatic reticulum

D. golgi apparatus

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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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According to cell theory

A. all cells have nuclei

B. all cells are living

C. cells, are fundamental units of all the living organisms

D. cells arise from pre-existing cells

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In plant cell vacuole contains

A. water

B. cytoplasm

C. air

D. water and dissolved substance

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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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Cell theory was proposed by

A. M.J. Schleiden and Theodore Schwann in 1838 and 1839 respectively

B. M.J. Schleiden and Theodore Schwann in 1939 only

C. Theodore Schwann and M.J. Schleiden in 1938 only

D. T.J. Schleiden and M.J. Schwann in 1838 only.

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Cells having large nuclei in proportion of cytoplasm are perhaps

A. dying

B. dehydrated

C. active

D. dividing

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The largest cell organelle is

A. nucleus

B. endoplasmic reticulum

C. chloroplast

D. mitochondria

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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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The unit of heredity is

A. gene

B. centromere

C. telomere

D. chromosome

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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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Accepted Answer

A. GUA AUC GUA GUA CUG

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

Correct Answer :

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