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Earn 100

Identify the statements as true (T) or false (F)
I. Cells actively involved in protein synthesis have larger and more numerous nucleoli along with RER
II. Animal cells differ from plant cells in possessing a large central vacuole
III. Lysosomes are reservoirs of hydrolytic enzymes
IV. Chromatin contains DNA and histones

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Important Questions on Cell : The Unit of Life

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Who, among the following, advanced the cell theory with his conclusion that new cells are formed pre existing cells?
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The possible structure of plasma membrane was deduced from chemical studies in _____A._____ Cell membrane is composed of _____B_____ that are arranged in a bilayer. The most widely accepted model of plasma membrane is _____C_____ proposed by _____D_____.

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Arrange the following cells in descending order of their size and choose the correct option.
Bacteria, Ostrich egg, Mycoplasma, Human RBC
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Which of the following statements about plastids is incorrect?
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The axoneme of eukaryotic flagella usually has
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Read statements A and B and choose the correct option.
A - Cytoplasm is a semi fluid matrix that occupies the volume of the cell only in eukaryotic cells
B - It is the main arena of cellular activities
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The fluid nature of the membrane helps to perform functions like
(a) Cell growth & cell division
(b) Formation of intercellular junctions
(c) Endocytosis