A common characteristic feature of plant sieve tube cells and most mammalian erythrocytes is
1. | absence of mitochondria |
2. | presence of cell wall |
3. | presence of haemoglobin |
4. | absence of nucleus |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect which one is not true for ribosome
1. | Made up of two sub-units |
2. | Form polysome |
3. | May attach to mRNA |
4. | Have no role in protein synthesis |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of these is not a eukaryote?
1. Euglena
2. Anabaena
3. Spirogyra
4. Agaricus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following stain is not used for staining chromosomes?
1. Basic fuchsin
2. Safranin
3. Methylene blue
4. Carmine
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDifferent cells have different sizes. Given are the following cells:
I. | Mycoplasma |
II. | Ostrich eggs |
III. | Human RBC |
IV. | Bacteria |
The correct ascending order of the size of the cells given above will be:
1. | I, IV, III, II | 2. | I, I, III, IV |
3. | II, I, III, IV | 4. | III, II, I, IV |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following features is common to prokaryotes and many eukaryotes?
1. | Chromatin material present |
2. | Cell wall present |
3. | Nuclear membrane present |
4. | Membrane bound sub-cellular organelles present |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWho proposed the fluid mosaic model of plasma membrane?
1. Camillo Golgi
2. Schleiden and Schwann
3. Singer and Nicolson
4. Robert Brown
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is true for a secretory cell?
1. | Golgi apparatus is absent |
2. | Rough Endoplasmic Reticulum (RER) is easily observed in the cell. |
3. | Only Smooth Endoplasmic Reticulum (SER) is present. |
4. | Secretory granules are formed in nucleus. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is a tonoplast?
1. | outer membrane of mitochondria |
2. | inner membrane of mitochondria |
3. | membrane boundary of the vacuole of plant cell |
4. | cell membrane of plant cell |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not true of a eukaryotic cell?
1. | Cell wall is made up of peptidoglycans |
2. | It has 80S type of ribosome present in the cytoplasm |
3. | Mitochondria contain circular DNA |
4. | Membrane bound organelles are present |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology