MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Genomatic mutation is of how many types? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 2. |
In which of the following organisms, an inversion occurs frequently? |
| A. | Drosophila |
| B. | Moth |
| C. | Honey bees |
| D. | Butterflies |
| Answer» B. Moth | |
| 3. |
Segmental changes of chromosome having an evolutionary significance, is of which of the following? |
| A. | Deletion |
| B. | Translocation |
| C. | Inversion |
| D. | Addition |
| Answer» C. Inversion | |
| 4. |
Paracentric is a type of inversion involving centromere. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
What is the full form of CML? |
| A. | Chronic myopia lens |
| B. | Chronic myelogenous leukaemia |
| C. | Chronic muscle leukaemia |
| D. | Cystic muscle leukaemia |
| Answer» C. Chronic muscle leukaemia | |
| 6. |
What is translocation? |
| A. | Shifting of part of chromosomes to the outside wall of nucleus |
| B. | Shifting of a chromosome to another chromosome |
| C. | Shifting of a part of a chromosome to another homologous chromosome |
| D. | Shifting of a part of a chromosome to another non-homologous chromosome |
| Answer» E. | |
| 7. |
How does deletion occur? |
| A. | When a part of a chromosome is duplicated |
| B. | When a part of a chromosome is left out |
| C. | When a part of a chromosome is lost |
| D. | When a part of a chromosome is translocated |
| Answer» D. When a part of a chromosome is translocated | |
| 8. |
Intercalary aberrations are a part of which of the following? |
| A. | Deletion |
| B. | Addition |
| C. | Inversion |
| D. | Translocation |
| Answer» B. Addition | |
| 9. |
Which of the following is not responsible for the formation of chromosomes? |
| A. | DNA |
| B. | Proteins |
| C. | RNA |
| D. | Endoplasmic reticulum |
| Answer» E. | |
| 10. |
Change in more than one nucleotide pair is known as a spontaneous mutation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
What is the substitution of a purine base with a pyrimidine base known as? |
| A. | Deletion |
| B. | Transition |
| C. | Addition |
| D. | Transversion |
| Answer» E. | |
| 12. |
Which of the following is also known as the removal of one or more bases from the nucleotide chain? |
| A. | Deletion |
| B. | Insertion |
| C. | Transition |
| D. | Transversion |
| Answer» B. Insertion | |
| 13. |
Which of the following is a classic example of point mutation? |
| A. | Phenylketonuria |
| B. | Sickle cell anaemia |
| C. | Haemophilia |
| D. | Thalassemia |
| Answer» C. Haemophilia | |
| 14. |
Which of the following is incorrect with respect to mutation? |
| A. | Sudden |
| B. | Continuous |
| C. | Change in chromosomes and genes |
| D. | Leads to variation in DNA |
| Answer» C. Change in chromosomes and genes | |