Cell: The Unit of Life Questions and Answers Part-1

1. Which of the following organisms are not composed of cells?
a) Amoeba
b) Paramecium
c) Euglena
d) None of these

Answer: d
Explanation: None of these

2. Unicellular organisms are not capable of
a) Independent existence
b) Performing essential functions of life
c) Both (a) and (b)
d) None of these

Answer: d
Explanation: None of these

3.Who was the first one to see a live cell?
a) Robert Hook
b) Leeuwenhoek
c) Robert Brown
d) None of these

Answer: b
Explanation: Leeuwenhoek

4. Who was the German botanist to study the different cells forming plant tissues?
a) Schleiden
b) Schwann
c) Rudolf Virchow
d) None of these

Answer: a
Explanation: Schleiden

5. In which year Matthias Schleiden examined a large number of plants and observed that all plants are composed of different kinds of cells which form the tissues of the plant?
a) 1638
b) 1738
c) 1838
d) 1938

Answer: c
Explanation: 1838

6. In which year Schwann studied different types of animal cells?
a) 1839
b) 1739
c) 1639
d) 1938

Answer: a
Explanation: 1839

7. The cell has a thin outer layer which is known as ‘Plasma membrane’. Who reported this?
a) Schleiden
b) Schwann
c) Virchow
d) Robert Hooke

Answer: b
Explanation: Schwann

8. ‘Cell wall is a unique structure of plant cells’. Who concluded this?
a) Schleiden
b) Schwann
c) Both (a) and (b)
d) None of these

Answer: b
Explanation: Schwann

9. Who proposed the hypothesis that the bodies of animals and plants are composed of cells and product of cells?
a) Schleiden
b) Schwann
c) Both (a) and (b)
d) none of these

Answer: b
Explanation: Schwann

10. Who formulated the cell theory?
a) Schleiden
b) Schwann
c) Both (a) and (b)
d) none of these

Answer: c
Explanation: Both (a) and (b)