Questions :-

1.What is Genetics?
a. study of life
b. study of life forms
c. study of fertility
d. study of heredity & variation

2. Which is the causes of variation?
a.Vegetative propagation
c.Different combination of genetic material, gene mutation

3. Which of the following is pure or homozygous condition?
a. Abcc
b. Tt
c. gG
d. tt

4. Which of the following is totally impossible outcome of Mendel’s Experiment?
a. 3 tall 1 short plant
b. 24 tall and 8 short plants
c. 8 tall and 0 short plants
d. 4 tall plants and 1 medium height plant.

5.Which of the following is not a direct conclusion that can be drawn from Mendel’s Law of segregation?
a. Only one parental trait is expressed
b. Two copies of each trait is inherited in sexually reproducing organism
c. For recessive trait to be expressed, both copies should be identical
d. Natural selection can alter frequency of an inherited trait.

6. Which one is a possible progeny in F2 generation of pure bred tall plant with round seed and short plant with wrinkled seeds?
a. Tall plant with round seeds
b. Tall plant with wrinkled seeds
c. Short plant with round seed
d. All of the above

7.Which section of DNA provides information for one protein
a. Nucleus
b. Chromosomes
c. Trait
d. Gene

8.Parental (P) generation: SSYY cross with ssyy gives in F1 Generation is?
a. Round,yellow seeds
b. Round, green seeds
c. wrinkled, yellow seeds
d. wrinkled, green seeds

9. What is the probability that the male progeny will be a boy?
a. 50%
b. 56%
c. 47.43%
d. It varies

10.Who have a perfect pair of sex chromosomes?
a. Girls only
b. Boys only
c. Both girls and boys
d. It depends on many other factors

Chapter - 9 Heredity and Evolution Quiz - 1 | Class - 10th

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