Life Science, Class-X Madhyamik Examination: Short Question Practice Question paper : Mark- 2
Chapter -3 Each Question: 2 Mark
Short Answer Type Questions
1. What is meant by the term 'hybrid' and 'pure' in heredity?
2. A normal female is married to a haemophilic male. what will be the result in F1 generation?
3. Write reason for choosing pea plant by Mendel.
4. Why Thalassemia patient need blood transfusion regularly ?
5. What is genetic counselling?
6. Why males are more effected by haemophilia than females?
7. Give reason of the formation of pink flower in 4 o'clock plant?
8. What do you mean by dominant and recessive character?
9. State mendel's law of segregation.
10. In Mendel's monohybrid cross experiment a pea plant producing pure round seed is crossed with another pea plant producing pure wrinkled seeds what would be the phenotype of the F2 generation plants and what would be their ratio?
11. What would be the ratio of phenotype and genotype of F2 generation in monohybrid experiment in case of incomplete dominance.
12. " Phenotype depends on genotype but genotype does not depend on phenotype" explain it.
13. " Sex chromosome inherited disease show crisscross inheritance" analyse the statement.
14. Write with example how dominate character express in Mendel's hybridization experiment.
15. A son is born to a normal woman for a haemophilia disease who married to a hemophilic male . what would be the probability of expression of haemophilia in that male child.
16. Define incomplete dominance Write its phenotypic ratio.
17. Why female called homogametic and male is called heterogametic ? Name one autosomal disease.
18. Write down the law of monohybrid cross of Mendel.
19. If a thalassemic carrier man marriage a thalassemic carrier woman then what percentage of children will be thalassemic.
20. What type of cross Mendel did to propose his 2nd law? Mention the genotypic and phenotypic ratio of F2 generation of this cross.
