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41.

Cell theory postulated by Scheiden and Schwann is:

A.	Not correct	B.	Neither new nor wrong
C.	New but wrong	D.	Not new, but wrong, yet the credit should be given to the proposers for being able to draw attention of biologists of their times

42.

Which of these statements reflect the correct position of 'cell theory':

A.	Cells have independent life in higher organisms	B.	New cells arise by process very much resembling crystalization
C.	It attracted attention of workers of that time	D.	It was proposed by Schleiden and Schwann

43.

Which of these structures in animals cell help in the identification of one cell to other:

A.	Plasma membrane	B.	Cytoplasm
C.	Nucleus	D.	None of these

44.

Non-living structures incapable of multiplication and formed as a result of cellular activity are called:

A.	Organoids	B.	Inclusions
C.	Organelles	D.	None of these

45.

Which of these is not an organelle in animal cell:

A.	Mitochondrion	B.	Oxysome
C.	Fat droplets	D.	Lysosme

46.

Microflaments in the cell forming an endoskleton are generally made of a protein called:

A.	Actin	B.	Myosin
C.	Actomyosin	D.	Tubulin

47.

Tubulin forms in animal cell which of these:

A.	Microfibrils	B.	Microtubules
C.	Both (a) & (b)	D.	None of these

48.

Which of these structures in the animal cell form its endoskeleton:

A.	Microfibrils	B.	Microtubules
C.	Intermediate filaments	D.	All of these

49.

Which of these are respobsible for cellular motality:

A.	Microfilaments	B.	Microtubules
C.	Both (a) & (b)	D.	None of these

50.

Contraction, cyclosis, endocytosis, cytokinesis etc, in animal cell are due to the presence of:

A.	Microfilaments	B.	Microtubules
C.	Intermediate filmaments	D.	None of these