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Earn 100

Select the incorrect match :
(a)Camillo Golgi - Golgi bodies
(b)Robert Brown - Nucleus
(c)Flemming - Chromatin
(d)George Palade - Mitochondria

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Important Questions on Cell : The Unit of Life
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Read the following statements and choose the correct option.
Statement A: No organelles, like the ones in eukaryotes, are found in prokaryotic cells except for ribosomes.
Statement B: Fimbriae are known to help in attaching the bacteria to rocks in streams and also to the host tissue.

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(i) [A]_____ refers to a chain of ribosomes attached to a single mRNA
(ii) Cyanobacteria has membranous extensions into the cytoplasm called [B] _____ which contain pigments
(iii) [C] _____ are small bristle like fibres sprouting out of the bacterial cell that helps in attachment

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Mitochondria, Cell wall, Ribosomes, Centrioles, Microbodies, Plastids, Endoplasmic Reticulum |
How many of the above are present in both higher plant and animal cells?

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Column A | Column B | ||
i | Basal body | a | microtubular organisation |
ii | Axoneme | b | Centriole like structure |
iii | Centrosome | c | Core of flagellum |
d | Spindle fibre formation during cell division | ||
e | microtubular organisation |

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(a) It is capable of independent existence
(b) It has various organelles to ensure independent living
(c) It can perform the essential functions of life

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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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