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Class 12 Biology Practice Test: Inheritance & Variation Principles - Chromosomal Disorders
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Class 12 Biology Practice Test: Inheritance & Variation Principles - Chromosomal Disorders
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16 Questions

1. In which year, Down’s syndrome was described?
2. Which of the following is a representation of a recessive trait?
3. Which of the following is the characteristic feature of Down’s syndrome?
4. On which of the following chromosomal disorders are based on?
5. Which of the following is an incorrect statement with respect to organelle inheritance?
6. Which of the following is the representation of a dominant trait?
7. There are no loops on the finger-tips of the people suffering from Down’s syndrome.
8. Only mental development is retarded in the case of Down’s syndrome.
9. Which of the following is not the character of a person suffering from Klinefelter’s syndrome?
10. What is the genotype of the person suffering from Klinefelter’s syndrome?
11. Which of the following is incorrect with respect to Klinefelter’s syndrome?
12. Which of the following is not a characteristic feature of Down’s syndrome?
13. What is the inheritance of characters by plasmagenes known as?
14. Which of the following is the carrier of genetic information?
15. Which of the following is not a feature of the tongue of the person suffering from Down’s syndrome?
16. Which of the following is not the character of the person suffering from Turner’s syndrome?

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