The Fundamental Unit of Life MCQ Quiz - Multiple Choice Questions & Answers

1. A cell loses water by osmosis when kept in a solution having a lower concentration of water than the cell. The given solution is

1. hyper-tonic
2. hypo-tonic
3. isotonic
4. dilute

2. A plant cell placed in a hypo-tonic solution will not burst because of presence of

1. plasma membrane
2. cell wall
3. chloroplast
4. cytoplasm

3. Amoeba acquires its food by the process of

1. exocytosis
2. endocytosis
3. osmosis
4. diffusion

4. An organism has poorly defined nuclear membrane in its cells. This organism could be a/an

1. bacteria
2. animal
3. fungi
4. bird

5. Besides nucleus, DNA is also present in

1. ribosomes and Golgi apparatus
2. mitochondria and chloroplasts
3. lysosomes and endoplasmic reticulum
4. Golgi complex and mitochondria

6. Cell theory was proposed by

1. Robert Brown
2. Robert Hook
3. Schleiden and Schwann
4. Anton von Leeuwenhoek

7. Cell wall is absent in

1. plant cells
2. bacterial cells
3. fungal cells
4. animal cells

8. Cell wall of plants is mainly composed of

1. chitin
2. cellulose
3. lipids
4. lignin

9. Chemical nature of carrier molecules facilitating transport across plasma membrane is:

1. starchy
2. sugary
3. proteinaceous
4. fatty acidic

10. Chromosomes are composed of

1. DNA and protein
2. DNA and sugar
3. sugar and protein
4. chromatin