Which of the following is not a true subcellular organelle ?
1. Peroxisome
2. Ribosome
3. Chloroplast
4. Lysosome.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGolgi body is associated with
1. packaging and storage of material
2. cell wall formation
3. transport of enzyme
4. all of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFree radicals in our body have been implicated in
1. ageing
2. certain degenerative disorders
3. neurodegeneration
4. all the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyExtranuclear 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySome Gram -ve bacteria have peptidoglycan and an extra layer of
1. lipo-polysaccharide
2. teichoic acid
3. cellulose
4. both 2. and 3.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA chromosome carrying the centromere at one of the ends is called
1. acentric
2. submetacentric
3. telocentric
4. metacentric.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPlasmodesmata connections help in
1. cytoplasmic streaming
2. synchronous mitotic divisions
3. locomotion of unicellular organism
4. movement of substances between cells.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology