Match the following columns:
| Column I | Column II |
| a. Bacteriophages | 1. Viruses infecting bacteria |
| b. Capsid | 2. Protein coat of viruses |
| c. Oncogene | 3. Causes AIDS |
| d. Human immuno deficiency | 4. When activated cause cancer |
A. a-1, b-3, c-4, d-2
B. a-1, b-2, c-4, d-3
C. a-2, b-3, c-4, d-1
D. a-4, b-3, c-2, d-1
Answer: Option B
Solution (By Examveda Team)
a. Bacteriophages, also known as phages, are viruses that infect and replicate only in bacterial cells. They are ubiquitous in the environment and are recognized as the most abundant biological agent on earth.b. A capsid is the protein shell of a virus, enclosing its genetic material. It consists of several oligomeric (repeating) structural subunits made of proteins called protomers.
c. Oncogenes when activated cause Cancer. An oncogene is a mutated gene that has the potential to cause cancer. Before an oncogene becomes mutated, it is called a proto-oncogene, and it plays a role in regulating normal cell division.
d. Human immune deficiency causes AIDS. Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition caused by the human immunodeficiency virus (HIV). By damaging your immune system, HIV interferes with your body's ability to fight infection and disease.
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