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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Extranuclear genes occurs in

1. plastids and are not inherited

2. plasmid and are not inherited

3. mitochondria and are inherited by female

4. mitochondria and are inherited by male.

Subtopic:  Mitochondria |
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Some Gram -ve bacteria have peptidoglycan and an extra layer of

1. lipo-polysaccharide

2. teichoic acid

3. cellulose

4. both 2. and 3.

Subtopic:  Prokaryotic Cell Organisation |
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A chromosome carrying the centromere at one of the ends is called

1. acentric

2. submetacentric

3. telocentric

4. metacentric.

Subtopic:  Nucleus: Chromosomes |
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Plasmodesmata connections help in

1. cytoplasmic streaming

2. synchronous mitotic divisions

3. locomotion of unicellular organism

4. movement of substances between cells.

Subtopic:  Cell Wall |
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Three of the following statements regarding cell organelles are correct while one is wrong. Which one is wrong?

(1) Lysosomes are double membraned vesicles budded off from Golgi apparatus and contain digestive enzymes.

(2) Endoplasmic reticulum consists of a network of membranous tubules and helps in transport, synthesis and secretion

(3) Leucoplasts are bound by two membranes, lack pigment but contain their own DNA and protein synthesizing machinery.

(4) Sphaerosomes are single membrane bound and are associated with synthesis and storage of lipids.

Subtopic:  Eukaryotic Cell Orgenelle |
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