Nitrogenous bases of RNA are

Question

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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The organelles for fat synthesis are

A. glyoxisomes

B. lomasomes

C. spherosomes

D. lysosomes

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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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Extranuclear DNA is found in

A. chloroplast

B. ribosomes

C. endoplasmatic reticulum

D. golgi apparatus

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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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In plant cell vacuole contains

A. water

B. cytoplasm

C. air

D. water and dissolved substance

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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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Granal thylakoids occur in a

A. chloroplast

B. mitochondrion

C. microtubules

D. crista

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

A. Purkinje

B. Lamarck

C. Dutrochet

D. Dujardin

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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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The function of cristae in a mitochondrion is

A. electron transport and ATP synthesis

B. carbon assimilation

C. intake of $o_{2}$

D. elimination of $c o_{2}$

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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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Park and Biggins receive credit for discovery of

A. oxisomes

B. quantosomes

C. lysosomes

D. microsomes

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Hydroly tic enzymes are abundant in

A. peroxisomes

B. microsomes

C. lysosome

D. lomasome

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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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Cell organelle which has electron transport system is

A. nucleus

B. centriole

C. nucleolus

D. mitochondria

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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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Another name for ligase is

A. joining enzyme

B. RNA polymerase

C. nuclease

D. none of these

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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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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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In the mitochondria, cytochromes are localised in

A. matrix

B. outer membrane

C. inner membrane

D. none of these

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The largest cell organelle is

A. nucleus

B. endoplasmic reticulum

C. chloroplast

D. mitochondria

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Function of Golgi bodies in plants is

A. transport of mutabolities

B. translocation of enzymes

C. synthesis of cell-wall

D. production of microbodies

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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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The photosynthetic units are known as

A. dictyosomes

B. quantosomes

C. microsomes

D. ribosomes

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Lysosomes were discovered by

A. Porter

B. DeDuve

C. Palade

D. Golgi

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Ribosomes are the centre of

A. respiration

B. photosynthesis

C. protein synthesis

D. fat synthesis

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Concept of unit membrane was given by

A. Danielli and Davson

B. Singer and Davson

C. Buvat

D. Robertson

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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 cells were first seen microscopically by

A. Scheiden

B. Schwann

C. Leeuwenhock

D. Robert Hook

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Accepted Answer

C. uracil, adenine, guanine and cytosine

Nitrogenous bases of RNA are

Correct Answer :

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The organelles for fat synthesis are

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Extranuclear DNA is found in

The nucleus of a plant cell was discovered by

In plant cell vacuole contains

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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Hydroly tic enzymes are abundant in

The cell size is dependent upon

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Mitochondria were first observed in striated muscle cells by

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The cells were first seen microscopically by

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