tn board exam - biology zoology - model question paper

7/28/2019 Tn Board Exam - Biology Zoology - Model Question Paper

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BIO ZOOLOGY CHATPER 4 MODERN GENETICS OBJECTIVE TYPE QUESTIONS

1. Colchicine stops mitosis at

a. prophase b. metaphase c. anaphase d. telophase

2. For Karyotyping cells are subjected to ----------- solution

a. isotonic b. hypertonic c. hypotonic d. concentrated

3. In karyotyping of human chromosome, many groups are classified based on the centromere position

a. 5 b. 6 c. 7 d. 10

4. In karyotyping of human chromosome, which group exclusively contain metacentric

a. Group A b. Group B c. Group C d. Group D

5. In karyotyping of human chromosome, which one of the following group is considered as largest group


6. In karyotyping of human chromosome, which group contain x chromosome


7. In karyotyping of human chromosome, x chromosome resemble ----- chromosome

a. 5 b. 6 c. Y d. 3

8. In karyotyping of human chromosome, which group contain only 2 chromosome of submetacentric

a. B b. C c. D d. E

9. In karyotyping of human chromosome, which group contain only 2 chromosome of shorter metacentric

a. F b. E c. D d. C

10. In karyotyping of human chromosome, which group contain only short acrocentric chromosome

a. Group E b. Group F c. Group G d. Group C

11. Y chromosome belongs to the group


12. The existence of mobile genetic elements were visualized by

a. Waldeyer b. Johanson c. Barbara Meclintock d. Bridges

13. Vehicle DNA is


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a. Vectors b. endonucleases c. foreign DNA d. restriction endonucleases

14. Palindrome sequences recognized by

a. ligase b. exo nucleases c. endo nucleases d. restriction endonucleases

15. EcoR1 is a


16. The recombination of foreign DNA with plasmid DNA done by


17. The first gene was cloned in

a. 1980 b. 1973 c. 1999 d. 1978

18. The first gene was cloned by

a. Watson and Crik b. Johanson c. Barbara Meclintock d. Hebert Bayer and Stanely cohen

19. In human beings, more than ----------- hereditary diseases have been indentified

a. 200 b 300 c. 100 d. 400

20. Which one of the following genotype suffer from a fatal haemolytic anaemiaa. Hba Hba bHbs Hbs c. Hba Hbs d. Hbs Hba

21. Which one of the following hereditary disease cause damaged heart, kidney, spleen and brain.

a. Sickle cell anaemia b. Thalassemia c. Agammaglobulinemia d. Albinism

22. In Sickle cell anaemia , genotype of carrier is

a. Hba Hba bHbs Hbs c. Hba Hbs d. Hbx Hby

23. Erythroblastic anaemia is


24. Peripheral haemolysis is the charateristic symptom of


25. Splenomegaly and hepatomegalyis the charateristic symptom of


26. Which one of the following is recessive gene disease


27. Agammaglobulinemia mostly affects,


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a. Boys b. Womens c. Elders d. Babies

28. Failure in r-globulin synthesis resulting,


29. The incidence of albinism in human is

a. 1:5000 to 1:2500 b. 1:500 to 1:25000 c. 1:1000 to 1: 5000 d. 1:2000 to 1:2500

30. Disease caused by an autosomal dominant gene is

a. SCID b. Thalassemia c. Huntingtons chorea d. Albinism

31. Onset of Huntingtons chorea is between ------------ years

a. 35-40 b. 12-15 c. 18-25 d. above 60

32. In Huntingtons chorea the affected gene located in ----------- chromosome

a. 5 b. 4 c. Y d. 3

33. Which one of the following disease characterized by uncontrolled jerking of the body


34. ADA gene located in ----------- chromosome

a. 7 b. 20 c. X d. Y

35. Which one of the following hereditary disease is called extremely rare


36. Bubble Boy Syndrome,


37. Huntingtons chorea is the

a. Incurable disease b. cured by bone marrow transplant c. prevented by vaccine

d.cured by WBC transplant

38. In HGP total number of genes identified by sequencing the genome are,

a. 25000 b.30000 c.50000 d. 5000

39. Total number of different m-RNA identified so far is,

a. 25000 b.60000 c.50000 d. 75000

40. Nuclear transplantation developed by,

a. R.Briggs and T.King b.Dr. Ian Wilmut c.Bridges d.Anand Mohan chakrabarty


4/7

BIO ZOOLOGY CHATPER 4 MODERN GENETICS OBJECTIVE TYPE QUESTIONS

1. Colchicine stops mitosis at

b. prophase b. metaphase c. anaphase d. telophase

2. For Karyotyping cells are subjected to ----------- solution

b. isotonic b. hypertonic c. hypotonic d. concentrated

3. In karyotyping of human chromosome, many groups are classified based on the centromere position

b. 5 b. 6 c. 7 d. 10

4. In karyotyping of human chromosome, which group exclusively contain metacentric

b. Group A b. Group B c. Group C d. Group D

5. In karyotyping of human chromosome, which one of the following group is considered as largest group

b. Group A b. Group B c. Group C d. Group D

6. In karyotyping of human chromosome, which group contain x chromosome


7. In karyotyping of human chromosome, x chromosome resemble ----- chromosome

a. 5 b. 6 c. Y d. 3

8. In karyotyping of human chromosome, which group contain only 2 chromosome of submetacentric

a. B b. C c. D d. E


5/7

9. In karyotyping of human chromosome, which group contain only 2 chromosome of shorter metacentric

a. F b. E c. D d. C

10. In karyotyping of human chromosome, which group contain only short acrocentric chromosome


11. Y chromosome belongs to the group


12. The existence of mobile genetic elements were visualized by

a. Waldeyer b. Johanson c. Barbara Meclintock d. Bridges

13. Vehicle DNA is

a. Vectors b. endonucleases c. foreign DNA d. restriction endonucleases

14. Palindrome sequences recognized by


15. EcoR1 is a


16. The recombination of foreign DNA with plasmid DNA done by


17. The first gene was cloned in

a. 1980 b. 1973 c. 1999 d. 1978

18. The first gene was cloned by

a. Watson and Crik b. Johanson c. Barbara Meclintock d. Hebert Bayer and Stanely cohen

19. In human beings, more than ----------- hereditary diseases have been indentified

a. 200 b 300 c. 100 d. 400

20. Which one of the following genotype suffer from a fatal haemolytic anaemia

a. Hba

Hba

b Hbs

Hbs

c. Hba

Hbs

d. Hbs

Hba

21. Which one of the following hereditary disease cause damaged heart, kidney, spleen and brain.


22. In Sickle cell anaemia , genotype of carrier is

a. Hba Hba b Hbs Hbs c. Hba Hbs d. Hbx Hby


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23. Erythroblastic anaemia is


24. Peripheral haemolysis is the charateristic symptom of


25. Splenomegaly and hepatomegalyis the charateristic symptom of


26. Which one of the following is recessive gene disease


27. Agammaglobulinemia mostly affects,

a. Boys b. Womens c. Elders d. Babies

28. Failure in r-globulin synthesis resulting,


29. The incidence of albinism in human is

a. 1:5000 to 1:2500 b. 1:500 to 1:25000 c. 1:1000 to 1: 5000 d. 1:2000 to 1:2500

30. Disease caused by an autosomal dominant gene is


31. Onset of Huntingtons chorea is between ------------ years

a. 35-40 b. 12-15 c. 18-25 d. above 60

32. In Huntingtons chorea the affected gene located in ----------- chromosome

a. 5 b. 4 c. Y d. 3

33. Which one of the following disease characterized by uncontrolled jerking of the body


34. ADA gene located in ----------- chromosome

a. 7 b. 20 c. X d. Y

35. Which one of the following hereditary disease is called extremely rare


36. Bubble Boy Syndrome,


7/7


37. Huntingtons chorea is the

a. Incurable disease b. cured by bone marrow transplant c. prevented by vaccine

d.cured by WBC transplant

38. In HGP total number of genes identified by sequencing the genome are,

a. 25000 b.30000 c.50000 d. 5000

39. Total number of different m-RNA identified so far is,

a. 25000 b.60000 c.50000 d. 75000

40. Nuclear transplantation developed by,

a. R.Briggs and T.King b.Dr. Ian Wilmut c.Bridges d.Anand Mohan chakrabarty

tn board exam - biology zoology - model question paper

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