Punjab 12th Class Biology Chapter 22 Variation and Genetics MCQs Test Online

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Question 1 of 10

Biology

1. Which of the following characters of pea plant is dominant?

1.White flowers

2.Axial flowers

3.Wrinkled seeds

4.Yellow pods

Question 1 of 10

Question 2 of 10

2. Filial is a Latin word. It means

1.Progeny

2.Descendent

3.Spring

4.Issue

Question 2 of 10

Question 3 of 10

3. A pea plant with yellow seed was crossed to a plant having green seeds. What will happen in F1; if plants are true breeding

1.All seeds will be yellow

2.All the seeds will be green

3.Half of seeds will be yellow

4. Both will be present in ratio of 1:2:1

Question 3 of 10

Question 4 of 10

4. The gene which controls ABO group has how many alleles in an individual

1.Four

2.One

3.Three

4.Two

Question 4 of 10

Question 5 of 10

5. The position of a gene on chromosome is called

1.Location

2.Habitat

3. Locus

4.Position

Question 5 of 10

Question 6 of 10

6. Which of the following condition is hybrid

1.Tt

2.tt

3.All of these

4.TT

Question 6 of 10

Question 7 of 10

7. In which of the following cases, genotypic and phenotypic ratio will remain same in F2 generation

1.Test cross

2.Law of independent assortment

3.Law of Segregation

4.Incomplete dominance

Question 7 of 10

Question 8 of 10

8. How many genes control Rh blood group system?

1.Three

2.One

3.Two

4.Four

Question 8 of 10

Question 9 of 10

9. How many pairs of homologous chromosomes are present in Pisum sativum

1.Seven pairs

2.Eight pairs

3. Six pairs

4.Five pairs

Question 9 of 10

Question 10 of 10

10. Which of the following is monohybrid cross

1.Both of these

2.None of these

3.TTYy x Ttyy

4.TT x tt

Question 10 of 10

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