Question : During which phase of the cell cycle do metabolic changes assemble the cytoplasmic material required for mitosis and cytokinesis?
Option 1: G2 phase
Option 2: G1 phase
Option 3: S phase
Option 4: M phase
Correct Answer: G2 phase
Solution : The correct answer is the G2 phase.
During the G2 phase of the cell cycle, metabolic changes assemble the cytoplasmic material required for mitosis and cytokinesis. Cell division occurs during the M phase, which consists of nuclear division (mitosis) followed by cytoplasmic division (cytokinesis). Cytokinesis usually begins just as mitosis is ending, with a little overlap.
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Question : Which thin, flexible barrier separates the internal of the cell from the extracellular fluid?
Option 1: Cytoplasmic membrane
Option 2: Restriction barrier
Option 3: Nuclear envelope
Option 4: Plasma membrane
Question : Which membrane-bound cell organelle consisting of a small sac-like structure surrounded by a single membrane serves as the cell's digestive system, allowing material taken from outside the cell to degrade and digest obsolete components of the cell?
Option 1: Lysosome
Option 2: Peroxisome
Option 3: Glyoxysome
Option 4: Polysome
Question : What is the length of a bacterial cell?
Option 1: 3 to 5 µm
Option 2: 1 to 40 µm
Option 3: 30 to 50 µm
Option 4: 0 to 3 µm
Question : If the angle of elevation of the Sun changes from 30° to 45°, the length of the shadow of a pillar decreases by 20 metres. The height of the pillar is:
Option 1: $20(\sqrt{3}-1)$ m
Option 2: $20(\sqrt{3}+1)$ m
Option 3: $10(\sqrt{3}-1)$ m
Option 4: $10(\sqrt{3}+1)$ m
Question : If $s-\frac{1}{s-8}=20$, then the value of $(s-8)^3-\frac{1}{(s-8)^3}$ is:
Option 1: 1324
Option 2: 1764
Option 3: 1864
Option 4: 1944
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