MEDIUM
10th CBSE
IMPORTANT
Earn 100

Draw and label the following:
Independent inheritance of two separate traits, shape and colour of seeds.

Important Questions on Heredity and Evolution

MEDIUM
10th CBSE
IMPORTANT
Science Part-III NEW ERA BIOLOGY Textbook for Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 1
Why do variations in the species confer survival advantages?
MEDIUM
10th CBSE
IMPORTANT
Science Part-III NEW ERA BIOLOGY Textbook for Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 2
Name the earliest members of the human species.
MEDIUM
10th CBSE
IMPORTANT
Science Part-III NEW ERA BIOLOGY Textbook for Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 4

Draw and label the following:

Sex determination in human beings.

MEDIUM
10th CBSE
IMPORTANT
Science Part-III NEW ERA BIOLOGY Textbook for Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 2
Describe the double helical model of DNA.
MEDIUM
10th CBSE
IMPORTANT
Science Part-III NEW ERA BIOLOGY Textbook for Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 3
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.
MEDIUM
10th CBSE
IMPORTANT
Science Part-III NEW ERA BIOLOGY Textbook for Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 5
Describe the dihybrid cross of Mendel through Punnett’s square method. Mention the genotype and phenotype of dihybrid cross.
MEDIUM
10th CBSE
IMPORTANT
Science Part-III NEW ERA BIOLOGY Textbook for Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 7
Describe the Miller’s experiment to prove the origin of life.
HARD
10th CBSE
IMPORTANT
Science Part-III NEW ERA BIOLOGY Textbook for Class X>Chapter 4 - Heredity and Evolution>EXERCISE>Q 10
In a dihybrid cross 1600 plants were obtained, find out the number of plants having genotype RRYy and rryy respectively.