Question # 1

The factory of ribosome is the

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Chloroplast

Nucleolus

Mitochondria

Vacuole

A group of ribosome attached to mRNA is known as

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Lysosome

Peroxisome

Poly some

Glyoxisome

Palade was first person to study.

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Nucleus

Peroxisome

Ribosomes

Mitochondria

Sedimentation rate of Eukaryotic Ribosome.

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30 S

50 S

70 S

80 S

Which of the following pair of structure-function is mismatched

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Ribosomes, protein synthesis

Nucleolus, ribosomes production

Glogi, muscle contraction

Lysosome, intracellular digestion

Tay sach's disease in caused by the

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Accumulation of proteins

Accumulation of glycogen

Accumulation of lipids

Accumulation of vitamins

Lysosomal sacs are rich in

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Acid oxidase and hydrolytic enzyme

Acid phosphatase and hydrolytic enzyme

Aductase and oxidases only

None of above

Cell membrane is chemically composed of proteins.

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10 -20 %

20- 30%

40-50 %

60-80%

The number of chromosomes in fruity fly Drosophila.

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16

8

26

48

Cell wall of prokaryotic organisms lack cellulose instead of cellulose its strengthening materials is.

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Silica

Wax

Cutin

Mureln

Golgi apparatus is concerned with cell.

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Division

Lysis

Secretion

Storage

Most of the cell secretions are in nature.

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Proteins

Lipids

Carbohydrates

Glycoproteins

Golgi apparatus was discovered by Golgi in

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1897

1896

1898

1889

Which of the following statement about the ribosomes is correct

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They are structurally different from free ribosomes

They are enclosed in their own membrane

They are concentrated in the cisternal space for the rough ER

They are attached to cisternal surface

The protein present in microtubules is.

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Actin

Tetroses

Tubulin

Tropomyosin

Eukaryotes have pores per nucleus.

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3000

30,000

6 or 8

3 or 4

Plastids are only found in

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Bacteria

Viruses

Plant cell

Animal cell

Resolution power of a typical compound. microscope is.

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300 x

1.0 micro meter

2.0 micro meter

2-4 Angstron

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