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

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Question 1 of 10

Biology

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

1.Five pairs

2.Eight pairs

3. Six pairs

4.Seven pairs

Question 1 of 10

Question 2 of 10

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

1.Two

2.One

3.Four

4.Three

Question 2 of 10

Question 3 of 10

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

1.Incomplete dominance

2.Test cross

3.Law of Segregation

4.Law of independent assortment

Question 3 of 10

Question 4 of 10

4. Which of the following condition is hybrid

1.tt

2.TT

3.Tt

4.All of these

Question 4 of 10

Question 5 of 10

5. How many genes control Rh blood group system?

1.Three

2.One

3.Two

4.Four

Question 5 of 10

Question 6 of 10

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

2.Half of seeds will be yellow

3.All seeds will be yellow

4.All the seeds will be green

Question 6 of 10

Question 7 of 10

7. The position of a gene on chromosome is called

1.Location

2.Position

3.Habitat

4. Locus

Question 7 of 10

Question 8 of 10

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

1.Yellow pods

2.Axial flowers

3.Wrinkled seeds

4.White flowers

Question 8 of 10

Question 9 of 10

9. Which of the following is monohybrid cross

1.Both of these

2.None of these

3.TT x tt

4.TTYy x Ttyy

Question 9 of 10

Question 10 of 10

10. Filial is a Latin word. It means

1.Spring

2.Issue

3.Progeny

4.Descendent

Question 10 of 10

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