Cell structure and function DPP 1

1. what is it that makes an

organism living, or what is it that an inanimate thing does not have which

a living thing has’ ? The answer to this is the presence of

1. growth
2. metabolism
3. irritability
4. the basic unit of life – the cell

ans 4

1. Unicellular organisms are capable of                                                                                                                      (a) independent existence

(b) performing the essential functions of life

1. a only
2. b only
3. both a and b
4. None of the above

Ans 3

1. First person to  saw and described a live cell.

1. Robert Brown
2. Anton Von Leeuwenhoek
3. Dujardin
4. Schwann

Ans 2

4. Who, based on his studies on plant

tissues, concluded  that the presence of cell wall is a unique character of the plant

cells.

1. Schleiden
2. Schwann
3. Both 1 and 2
4. Rudolf Virchow

5. Schleiden and Schwann together formulated the cell theory. This theory

however, did not explain as to how

1. New cells grow
2. new cells respire
3. new cells metabolize nutrients
4. new cells were formed.

Ans 4

6. In both prokaryotic and eukaryotic cells, a semi-fluid matrix that

occupies the volume of the cell is called

1. cytoplasm.
2. Nucleus
3. DNA
4. Chromosomes

7. The main arena of cellular activities in both the plant and animal cells is

1. cytoplasm.
2. Nucleus
3. Golgi complex
4. Chromosomes

8. The cell organelle found in all cells –both eukaryotic as well as prokaryotic is
9. endoplasmic reticulum (ER),
10. the golgi complex,

3.lysosomes,

4.Ribosomes

9. The non-membrane bound organelles found in eukaryotic cells is
10. Nucleus

2.Ribosomes

3. vacuole

4.Microbodies

Ans2

10.The non-membrane bound organelles found in animal cells

1. Ribosomes

b.Centrioles

1. vacuole

d.Microbodies

1. a only
2. b only
3. both a and b
4. d only

Ans3