| 21. | The active site of protein synthesis is- |
A. lysosome | |
B. in ribosome | |
C. mitochondria | |
D. Gouljikay |
| 22. | Which organelle is found only in plant cells? |
A. cell wall | |
B. Reaper | |
C. vacuoles | |
D. all of the above |
| 23. | The active site of cellular respiration is – |
A. Gouljikay | |
B. mitochondria | |
C. ribosome | |
D. lysosome |
| 24. | Leucoplasts are mainly found in? |
A. in root cells | |
B. in stem cells | |
C. in the cells of leaves | |
D. in flower cells |
| 25. | Provides variety of attractive colors to flowers and seeds |
A. leukoplast | |
B. chromoplast | |
C. chloroplast | |
D. tonoplast |
| 26. | Provides green color to leaves |
A. chromoplast | |
B. chloroplast | |
C. leukoplast | |
D. tonoplast |
| 27. | The cell’s suicide bag is called – |
A. lysosome | |
B. ribosome | |
C. nucleosome | |
D. Gouljikay |
| 28. | The enzymes found in lysosomes which have the ability to dissolve or destroy the protoplasm are called – |
A. cell sap | |
B. Cytoplasm | |
C. nucleoplasm | |
D. hydrolytic enzymes |
| 29. | The substance found in more than 80% of the cell is – |
A. protein | |
B. fat | |
C. minerals | |
D. water |
| 30. | Who among the following presented the basic concept that all living beings are made up of cells? 1. Pasteur 2. Schleiden 3. Robert Hooke 4. T. Schwann |
A. only 2 | |
B. 1 and 2 | |
C. 2 and 3 | |
D. 2 and 4 |