Q35 of 38 Page 1

Mention about the four events that occur during binary fission in amoeba.

(i) The nucleus in a matured amoeba elongates and divides into two.

(ii) A constriction appears in the middle of cytoplasm.


(iii) The constriction deepens and finally it divides.


(iv) Thus two daughter amoeba are formed from a single parent amoeba.



More from this chapter

All 38 →
32

The diagrams A and B represent the following relationship:

 33

Identify the parts labeled 1 and 2 in the adjoining figure

 34

When you add sodium hydrogen carbonate to acetic acid in a test tube, a gas liberates immediately with a brisk effervescence. None the gas and describe the method of its testing in the laboratory.

 36

A student obtained a sharp image of a lighted candle on a screen using a convex lens. Now he wants to focus a distant lamp on a far away electric pole. In which direction should the lens be moved for this purpose with respect to the screen, to get a sharp image on the screen? Justify your answer.