MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Name the effect which shows the determination of character by the genotype of a female parent? |
| A. | Cytoplasmic male sterility |
| B. | Probability |
| C. | Random mating |
| D. | Maternal effect |
| Answer» E. | |
| 2. |
Which of the following is NOT the type of petite mutant? |
| A. | Nuclear |
| B. | Neutral |
| C. | Suppressive |
| D. | Polygene |
| Answer» E. | |
| 3. |
What is a petite mutant? |
| A. | Defective mitochondrial function of yeast |
| B. | Plastid function mutant |
| C. | Dwarfism |
| D. | Maternal effect genes |
| Answer» B. Plastid function mutant | |
| 4. |
Which of the following is NOT true for cytoplasmic inheritance? |
| A. | Reciprocal cross is always different |
| B. | Unequal contribution from male and female gametes |
| C. | It follows a Mendelian pattern of inheritance |
| D. | Do not show segregation for traits |
| Answer» D. Do not show segregation for traits | |
| 5. |
Which of the following describes the inheritance controlled by cytoplasmic genes? |
| A. | Extranuclear inheritance |
| B. | Heritability |
| C. | Environmental factors |
| D. | Complex trait |
| Answer» B. Heritability | |
| 6. |
Which of the following describes the dissimilarity in the traits due to the variation in genetic factors? |
| A. | Polygenic |
| B. | Heritability |
| C. | Quantitative trait loci |
| D. | Maternal effect |
| Answer» C. Quantitative trait loci | |
| 7. |
Who explained the multifactorial hypothesis? |
| A. | Ronald Fisher |
| B. | Darwin |
| C. | Mendel |
| D. | Nilsson-Ehle |
| Answer» B. Darwin | |
| 8. |
Which of the following factor does not contribute to quantitative traits? |
| A. | Polygenes |
| B. | Environmental |
| C. | Genetic |
| D. | Carbohydrate content |
| Answer» E. | |
| 9. |
QTL is the chromosomal site at which a group of genes affecting quantitative traits located. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Traits which show continuous variation is referred as ___________ |
| A. | Genetic disorders |
| B. | Phenotypic variation |
| C. | Quantitative traits |
| D. | Qualitative traits |
| Answer» D. Qualitative traits | |