EASY
10th CBSE
IMPORTANT
Earn 100

A normal cell of human body contains 23 pairs of chromosomes. The number of chromosomes in a sex cell (sperm or ovum) of a human being is most likely to be

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Important Questions on Heredity and Evolution

MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 46
In the human blood grouping, the four basic blood types are type A, type B, type AB, and type O. The blood proteins A and B are:
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 48
A pregnant woman has an equal chance of her baby being blood group A or blood group AB. Which one of the following shows the possible genotypes of the woman and the father of her child?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 49
The palisade cells of a species of plant contain 28 chromosomes. How many chromosomes will there be in each gamete produced by the plant?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 53
The exchange of genetic material takes place in
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 54
A cross between a tall plant (TT) and short plant (tt) resulted in progeny that were all tall plants because:
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 55
The number of pair(s) of sex chromosomes in the zygote of humans is
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 57
The two versions of a trait (character) which are brought in by the male and female gametes are situated on
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 59
Select the group which shares the maximum number of common characters: