Mendel's Experiments on Pea

Q. Cross involving only one pair of contrasting characters is called monohybrid cross.

1. True
2. False

Q. The gametes produced in F1 generation of Mendel’s dihybrid cross between yellow round seeds & green wrinkled seeds are:

1. Yr, yR
2. Y, y, R, r
3. Yy, Rr
4. YR, yr

Q. Mendel began his research using garden peas but ultimately settled on mice as his model system.

1. True
2. False

Q. Mendel selected _____ plants for his experiments.

1. pea
2. datura
3. hibiscus
4. rose

Q. Mendel's work was got republished in 'Flora' by

1. De Vries
2. Tschermak
3. Correns
4. All of the above

Q. In a monohybrid cross, what is the phenotypic ratio in the F2 generation?

1. 1:2
2. 2:2
3. 3:1
4. 2:3

Q. Fossils help us understand the process of evolution.

1. False
2. True

Q. Mendel selected ____ pairs of contrasting characters in pea plant for his experiments.

1. two
2. six
3. seven
4. fourteen

Q. In Mendel’s experiments, the ${\text{F}}_1$ progeny resembles either of the two parents. The character that was not visible in this generation was:

1. Recessive
2. Dominant
3. Wild
4. Superior

Q.

A cross is made between true breeding lines of pea plants with axillary (A) and terminal (a) flowers. What is the ratio between the number of possible genotypes of homozygous and heterozygous plants in ${\text{F}}_2$ progeny?

1. 3:1

2. 1:2:1

3. 1:1

4. 1:1:2