EASY
10th CBSE
IMPORTANT
Earn 100

Select the statements that describe characteristics of genes:
(i) genes are specific sequence of bases in a DNA molecule
(ii) a gene does not code for proteins
(iii) in individuals of a given species, a specific gene is located on a particular chromosome
(iv) each chromosome has only one gene

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Important Questions on Heredity and Evolution

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:
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 60
A trait in an organism is influenced by:
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 61
In human males, all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are
(i) large chromosome
(ii) small chromosome
(iii) Y chromosome
(iv) X chromosome
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 62
The sex of a child is determined by which of the following?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 63
A zygote that has inherited an X chromosome from the father will develop into?
HARD
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 64
Which of the following statement is incorrect?
EASY
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Multiple Choice Questions (MCQs)>Q 65
If the ratio of each phenotype of the seeds of pea plants in the F2 generation is 9:3:3:1  it is known as:
MEDIUM
10th CBSE
IMPORTANT
Science for Tenth Class Part - 3 Biology>Chapter 4 - Heredity and Evolution>Questions Based on High Order Thinking Skills (HOTS)>Q 66
In humans, if gene B gives brown eyes and gene b gives blue eyes, what will be the colour of eyes of the persons having the following combination of genes?
(A) Bb
(B) bb
(C) BB