Which one of the following phenomena is commonly referred as 'cell drinking?

1. Endocytosis

2. Exocytosis

3. Phagocytosis

4. Pinocytosis

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If a chloroplast of plant is isolated and studied in a test tube the investigation is described

as

1. in vivo

2. in vitro

3. in situ

4. none of these.

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An organelle present in plant cells but absent from those of animals is

1. vacuole

2. peroxisome

3. glyoxysomes

4. Both 1. and 3.

Subtopic:  Plastids |
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Primary cell wall consists of a loose network of cellulose microfibrils impregnated with a

matrix of

1. glycoprotein and flavoprotein

2. hemicellulose and flavoprotein

3. hemicellulose and pectin

4. flavoprotein and pectin.

Subtopic:  Cell Wall |
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Which of the following is not a true subcellular organelle ?

1. Peroxisome

2. Ribosome

3. Chloroplast

4. Lysosome.

Subtopic:  Ribosome and Inclusion Bodies |
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Golgi body is associated with

1. packaging and storage of material

2. cell wall formation

3. transport of enzyme

4. all of the above

Subtopic:  Golgi Apparatus |
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Which of the following cytoskelelal components of an eukaryotic cell play a major role in

protoplasmic streaming?

1. Microtubules

2. microfilaments

3. Intermediate filaments

4. None of these

Subtopic:  Cytoskeleton |
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Free radicals in our body have been implicated in

1. ageing

2. certain degenerative disorders

3. neurodegeneration

4. all the above

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Which is not true for prokaryotic cells ?

1. They are smaller than eukaryotic cells.

2. They lack membrane-bound organelles.

3. Their genetic material is localised within nucleoid.

4. They contain a well developed cytoskeleton.

Subtopic:  Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
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If there were present no subcellular organelles in a eukaroytic cell, the rate of

metabolism will

1. increase

2. decrease

3. not change

4. increase dramatically.

Subtopic:  Eukaryotic Cell Architecture: Types | Eukaryotic Cell Orgenelle |
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