Question # 1

De Duve discovered cell organelle.

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Golgi complex

Plastids

Mitochondria

Lysosome

The percentage of lipids is plasma membrane is.

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60- 80 %

20-40%

30 - 60%

10-20%

Tay-Sach's disease is because of absence of an enzyme, That is involved in catabolism of.

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Polysaccharides

Oligosaccharides

Lipids

Proteins

The soluble part of the cytoplasm called.

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Stoma

Gel

Matrix

Cytosol

Proteins are synthesized by.

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poly some

Ribo some

Nucleosome

Lysosome

The cells which transmit impulses are.

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Kidney cells

Bone cells

Blood cells

Nerve cells

When cross section of centriole is observed it shows as it consists of.

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9 microtubules

3 microtubules

11- microtubules

6- microtubules

Growth and development of plant is the function of

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Meristematic cells

Parenchymatous cell

Sclerenchymatous cells

Chlorechymatous cells

The digestive cacuoles and autophagosomes are also called.

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Primary lysosomes

Secondary Lysosomes

Endocytosis

All above

Modification of proteins and lipids as glycopeptides and glycoproteins occur in

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Ribosomes

Golgi apparatus

SER

All of above

The diameter of peroxisome is approximately.

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0.2 micro meter

0.3 micro meter

0.4 micro meter

0.5 micro meter

Which statement about the nuclear envelop in not true

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It has pores

It is double membrane structure

Its inner membrane bears ribosomes

RNA and some proteins can pass through it

Detoxification of harmful drugs is the function of

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RER

SER

Both a and b

None of these

Glyoxysomes are most abundant in

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Human blood

Plant seedings

Liver cells

Micro organisms

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

Which type of cell would probably be most appropriate to study lysosomes

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Phagocytic white blood cell

Nerve cell

Mesophyll cell

Muscle cell

Which one of the following is true about chloroplast

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Found in underground parts of plants

Help in pollination and dispersal of seeds

Self replicating organelles

Involve in protein synthesis

Tay sach's disease in caused by the

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Accumulation of proteins

Accumulation of glycogen

Accumulation of lipids

Accumulation of vitamins

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