EASY
10th CBSE
IMPORTANT
Earn 100

What are vestigial organs? Name any two vestigial organs in human beings and name the organ which is vestigial for us but not for birds.

Important Questions on Heredity and Evolution
MEDIUM
10th CBSE
IMPORTANT
Describe the double helical model of DNA.

MEDIUM
10th CBSE
IMPORTANT
Name the type of chromosome present in:
(i) Human male (ii) Human female. What will be the sex of the offspring if a sperm carrying X-chromosomes fertilizes the egg? Write the name of an insect in which similar type of sex determination takes place.

HARD
10th CBSE
IMPORTANT
What is organic evolution? How do embryological studies provide evidence for evolution?

MEDIUM
10th CBSE
IMPORTANT
Describe the dihybrid cross of Mendel through Punnett’s square method. Mention the genotype and phenotype of dihybrid cross.

MEDIUM
10th CBSE
IMPORTANT
Describe various varieties produced by wild cabbage. Mention the morphological characteristic of the varieties.

MEDIUM
10th CBSE
IMPORTANT
Describe the Miller’s experiment to prove the origin of life.

MEDIUM
10th CBSE
IMPORTANT
What is artificial selection? Explain with suitable example.

EASY
10th CBSE
IMPORTANT
Define the following term:
Phenocopies
