Which of the following are found in extreme saline conditions?
(1) Archaebacteria
(2) Eubacteria
(3) Cyanobacteria
(4) Mycobacteria
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statements is correct with reference to enzymes?
1. Holoenzyme= Apoenzyme+Coenzyme
2. Coenzyme= Apoenzyme+Holoenzyme
3. Holoenzyme= Coenzyme+ CO-factor
4. Apoenzyme=Holoenzyme+Coenzyme
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA decrease in blood pressure/volume will not cause the release of
1. Atrial natriuretic factor
2. Aldosterone
3. ADH
4. Renin
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich cells of "Crypts of Lieberkühn" secrete antibacterial lysozyme?
1. Paneth cells
2. Zymogen cells
3. Kupffer cells
4. Argentaffin cells
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following are not polymeric?
1. Proteins
2. Polysaccharides
3. Lipids
4. Nucleic acids
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFunctional megaspore in an angiosperm develops into :
1. | Endosperm | 2. | Embryo sac |
3. | Embryo | 4. | Ovule |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMyelin sheath is produced by:
1. Astrocytes and Schwann cells
2. Oligodendrocytes and Osteoclasts
3. Osteoclasts and Astrocytes
4. Schwann cells and Oligodendrocytes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAttractants and rewards are required for:
1. Entomophily
2. Hydrophily
3. Cleistogamy
4. Anemophily
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyReceptor sites for neurotransmitters are present on:
1. Pre-synaptic membrane
2. Tips of axons
3. Post-synaptic membrane
4. Membrane of synaptic vesicles
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCoconut fruit is a:
1. Berry
2. Nut
3. Capsule
4. Drupe
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology