Golgi 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 & BiologyThree 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology