Why does the skin of your finger shrink when you wash clothes for a long time?
Do you agree that “A cell is a building unit of an organism”. If yes, explain why?
Name the two organelles in a plant cell that contain their own genetic
material and ribosomes.
Name the organelles which show the analogy written as under
(a) Transporting channels of the cell——
(b) Power house of the cell——
(c) Packaging and dispatching unit of the cell——
(d) Digestive bag of the cell——
(e) Storage sacs of the cell——
(f) Kitchen of the cell——
(g) Control room of the cell——
Write the name of different plant parts in which chromoplast, chloroplast and leucoplast are present.
Bacteria do not have chloroplast but some bacteria are photoautorophic in nature and perform photosynthesis. Which part of bacterial cell performs this?
If cells of onion peel and RBC are separately kept in hypotonic solution,
what among the following will take place? Explain the reason for your
answer.
(a) Both the cells will swell.
(b) RBC will burst easily while cells of onion peel will resist the bursting to
some extent.
(c) a and b both are correct.
(d) RBC and onion peel cells will behave similarly
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