TN State Board Samacheer Kalvi Online Test for 11th Std - Bio Botany - English - Classical Genetics

Question 1 Of 10

Test cross involves

Crossing between two genotypes with a recessive trait Crossing between two F1 hybrids Crossing the F1 hybrid with a double recessive genotype Crossing between two genotypes with dominant trait

Question 2 Of 10

In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seed plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in FI generation?

9:1 1:3 3:1 50:50

Question 3 Of 10

In his classic experiments on Pea plants, Mendel did not use

Flowering position seed colour pod length Seed shape

Question 4 Of 10

The genotype of a plant showing the dominant phenotype can be determined by

Back cross Test cross Dihybrid cross Pedigree analysis

Question 5 Of 10

Gene which suppresses other genes activity but does not lie on the same locus is called as

Epistatic Supplement only Hypostatic Codominant

Question 6 Of 10

The genes controlling the seven pea characters studied by Mendel are known to be located on how many different chromosomes?

Seven Six Five Four

Question 7 Of 10

In a test cross involving FI dihybrid flies, more parental type offspring were produced than the recombination type offspring. This indicates

The two genes are located on two different chromosomes Chromosomes failed to separate during meiosis The two genes are linked and present on the same chromosome Both of the characters are controlled by more than one gene

Question 8 Of 10

In Mendel’s experiments with garden pea round seed shape (RR) was dominant over wrinkled seeds (rr), Yellow cotyledon on (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy?

Only round seeds with green cotyledons Only wrinkled seeds with yellow cotyledons Only wrinkled seeds with green cotyledons Round seeds with yellow cotyledons and wrinkled seeds with yellow cotyledons

Question 9 Of 10

How many different kinds of gametes will be produced by a plant having the genotype AABbCC?

Three Four Nine Two

Question 10 Of 10

In order to find out the different types of gametes produced by a pea plant having the genotype AaBb, it should be crossed to a plant with the genotype

aaBB AaBB AABB aabb

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Bio Botany - English Medium - Classical Genetics

Samacheer Kalvi 11th Bio Botany - Classical Genetics - Book Back Questions in English Medium