Punjab 12th Class Biology Inheritance Mcqs Test Online

Total Question
15 Questions
Total Marks
30 Marks
Total Time
15 Minuts
Test Help For ::

12th Biology Class Test
Entry Test Biology MCQs
Biology Admission Test
Competitive Exams
All Punjab Boards Annual Exams



Test Name



Inheritance

Subject



Biology (10th Class)

Test Type



MCQs


Punjab 12th Class Biology Inheritance Mcqs Test Online

Biology Inheritance Mcqs Test Online Punjab Boards 12th Class

 

Question 1 of 15

Biology

1. All the offspring of a white hen and a black rooster are grey. The simplest explanation for this pattern of inheritance is:
1.
2.
3.
4.

Question 1 of 15

Question 2 of 15

2. Rh blood group system is encoded by three genes C, D and E which occupy ________ tightly linked loci:
1.
2.
3.
4.

Question 2 of 15

Question 3 of 15

3. Mendel’s law of independent assortment can be demonstrated by:

1.
2.
3.
4.

Question 3 of 15

Question 4 of 15

4. Phenomena of an allele of one gene suppressing the activity of allele of another gene is called:
1.
2.
3.
4.

Question 4 of 15

Question 5 of 15

5. A heterozygous red-eyed female Drosophila mated with a white-eyed male would produce:
1.
2.
3.
4.

Question 5 of 15

Question 6 of 15

6. Albinsim is a recessive gene. A woman with albino father marries as albino man, the proportion of her progeny is:
1.
2.
3.
4.

Question 6 of 15

Question 7 of 15

7. Blood group in human beings are controlled by:
1.
2.
3.
4.

Question 7 of 15

Question 8 of 15

8. A man who has types B blood and a woman who has type A blood could have children of which of the following phenotypes?

1.
2.
3.
4.

Question 8 of 15

Question 9 of 15

9. If a man of M blood group marries a woman of N blood group all their children will have:
1.
2.
3.
4.

Question 9 of 15

Question 10 of 15

10. Investigators do a dihybrid cross between two heterozygous and get about a 3:1 ratio among the offspring. The reason must be due to:
1.
2.
3.
4.

Question 10 of 15

Question 11 of 15

11. All chromosomes other than sex-chromosomes are called:
1.
2.
3.
4.

Question 11 of 15

Question 12 of 15

12. When mothers anti-RH negative antibodies seep through placenta into blood circulation of foetus they start ________ of RBC of the foetus.
1.
2.
3.
4.

Question 12 of 15

Question 13 of 15

13. Whether an allele is dominant or recessive depends on:
1.
2.
3.
4.

Question 13 of 15

Question 14 of 15

14. If red eyed (dominant) fly is mated with white eyed (ressessive) fly, the ratio of red to white eyed in F₂ generation would be:
1.
2.
3.
4.

Question 14 of 15

Question 15 of 15

15. Genes located on same locus bit having different expressions are:
1.
2.
3.
4.

Question 15 of 15


 

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