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 is monohybrid cross

1.TT x tt

2.Both of these

3.TTYy x Ttyy

4.None of these

Question 1 of 10

Question 2 of 10

2. How many genes control Rh blood group system?

1.Four

2.Three

3.Two

4.One

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 independent assortment

4.Law of Segregation

Question 3 of 10

Question 4 of 10

4. 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 the seeds will be green

2.All seeds will be yellow

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

4.Half of seeds will be yellow

Question 4 of 10

Question 5 of 10

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

1.One

2.Three

3.Two

4.Four

Question 5 of 10

Question 6 of 10

6. Filial is a Latin word. It means

1.Descendent

2.Issue

3.Progeny

4.Spring

Question 6 of 10

Question 7 of 10

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

1.Wrinkled seeds

2.White flowers

3.Yellow pods

4.Axial flowers

Question 7 of 10

Question 8 of 10

8. Which of the following condition is hybrid

1.Tt

2.TT

3.All of these

4.tt

Question 8 of 10

Question 9 of 10

9. The position of a gene on chromosome is called

1.Location

2.Habitat

3.Position

4. Locus

Question 9 of 10

Question 10 of 10

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

1.Five pairs

2. Six pairs

3.Eight pairs

4.Seven pairs

Question 10 of 10

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