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Nuclear material without cover is found in
A)
Mycoplasma and Green algae
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B)
Bacteria and Fungi
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C)
Bacteria and Blue green algae
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D)
None of the above
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Cell theory was proposed by
A)
Schleiden and Schwann
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B)
Robert Brown
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C)
Leeuwenhoek
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D)
Purkinje
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The suicide bags of the cells are
A)
Plastids
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B)
Mitochondria
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C)
Lysosomes
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D)
Ribosomes
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The power houses of the cells are
A)
Mitochondria
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B)
Plastids
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C)
Golgi complex
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D)
Ribosomes
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The energy currency of the cell is
A)
ADP
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B)
ATP
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C)
NADP
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D)
FADP
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The organelle that is present only in plant cells is
A)
Mitochondria
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B)
Endoplasmic reticulum
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C)
Ribosomes
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D)
Plastids
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| Consider the following statements: |
| (i) In living organisms, the mitochondria are the only cell organelle outside the nucleus that contain DNA. |
| (ii) Nuclei and mitochondria are surrounded by a double membrane. |
| Which of these statements) is/are correct? |
A)
(i) only
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B)
(ii) only
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C)
Both (i) and (ii)
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D)
neither (i) nor (ii)
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| Consider the following statements: |
| (i) The ER functions both as a passageway for intracellular transport and as a manufacturing surface. |
| (ii) Ribosomes are present in eukaryotic cells only. |
| (iii) SER detoxifies many poisons and drugs. |
| Which of these statement(s) is/are correct? |
A)
(i) and (ii)
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B)
(ii) and (iii)
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C)
(i) and (iii)
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D)
All are correct
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Nucleus plays a crucial part in
A)
Metabolism
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B)
Cellular reproduction
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C)
Lipid synthesis
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D)
Protein synthesis
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Which of the following is not present in prokaryotes?
A)
Ribosomes
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B)
Cell wall
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C)
Plasma membrane
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D)
Nuclear membrane
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Organelle other than nucleus, containing DNA is
A)
Endoplasmic reticulum
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B)
Golgi apparatus
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C)
Mitochondria
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D)
Lysosome
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The only cell organelle seen in prokaryotic cell is
A)
Mitochondria
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B)
Ribosomes
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C)
Plastids
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D)
Lysosomes
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Which organelle is usually found associated with the nucleus of the cell in animals?
A)
Centrosome
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B)
Vacuole
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C)
Chromosome
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D)
Mitochondria
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Which animal cell structure is characterized by selective permeability?
A)
Chromosome
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B)
Cell membrane
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C)
Cell wall
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D)
Ribosomes
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The process of mitosis is divided into 4 phases. Identify the correct order in which these phases appear in mitosis
A)
Anaphase, Metaphase, Telophase and Prophase
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B)
Telophase, Anaphase, Metaphase and Prophase
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C)
Metaphase, Prophase, Anaphase and Telophase
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D)
Prophase, Metaphase, Anaphase and Telophase
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Regarding the sequence of cell cycle, which one is correct?
A)
\[{{G}_{1}},\,{{G}_{2}},\,S\]and M
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B)
\[S,\,{{G}_{1}},\,\,{{G}_{2}}\]and M
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C)
\[{{G}_{1}},\,S,\,{{G}_{2}}\]and M
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D)
\[{{G}_{2}},\,S,\,{{G}_{1}}\] and M
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Ribosomes are the centre for
A)
Respiration
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B)
photosynthesis
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C)
Protein synthesis
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D)
fat synthesis
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The main difference between Plant and Animal cell is
A)
Animal cells lack cell wall
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B)
Plant cell has no cell wall
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C)
Animal cell has a rigid cell wall
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D)
Plant cells lack cell membrane
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The undefined nuclear region in a bacteria is
A)
Nucleoid
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B)
Nucleus
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C)
Chromosome
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D)
Nucleolus
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The main arena of various types of activities of a cell is
A)
Plasma membrane
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B)
Mitochondrian
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C)
Cytoplasm
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D)
Nucleus
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