MCQs on Chlorofluorocarbons 1. Which of the following statements is true about chlorofluorocarbons? Chlorofluorocarbons are…
MCQs On Principles of Inheritance and Variation
- If a hybrid expresses a character, it is called _________
- Epistasis
- Dominant
- Co-dominant
- Recessive
- A plant having the genotype AABbCC will produce ______ kinds of gametes
- 5
- 4
- 3
- 2
- Colour blindness is an _________ linked recessive trait
- Z chromosome
- Y chromosome
- X chromosome
- None of the above
- In most species, mitochondrial DNA is passed down from
- DNA
- Mother and Father
- Father
- Mother
- Where are the genes for cytoplasmic male sterility in plants located?
- Chloroplast genome
- Mitochondrial genome
- Cytosome
- None of the above
- _________ is a type of trait whose phenotype is influenced by more than one gene
- Oncogenic Trait
- Monogenic trait
- Polygenic trait
- None of the above
- An individual’s collection of genes is called ______
- Genotype
- Phenotype
- Trait
- None of the above
- A man marries a woman and both do not show any apparent traits of inherited disease. Five sons and two daughters are born, and three of their sons suffer from a disease. However, none of the daughters is affected. The following mode of inheritance for the disease is
- Sex-linked recessive
- Sex-linked dominant
- Autosomal dominant
- None of the above
- A trait that “overpowers” and hide another trait is called
- Overpowering trait
- Complex trait
- Recessive trait
- Dominant Trait
- Why is haemophilia a disease that is more commonly seen in males?
- Both (2) and (3)
- The disease is Y- linked
- The disease is X- linked
- None of the above
| Answer Keys for Principles of Inheritance and Variation MCQ | |
| Question Number | Answer Key |
| 1 | 2 |
| 2 | 4 |
| 3 | 3 |
| 4 | 4 |
| 5 | 2 |
| 6 | 3 |
| 7 | 1 |
| 8 | 1 |
| 9 | 4 |
| 10 | 3 |
