Zoology B.Sc. 4th-Semester CBCS Previous Year Old Question Paper Jammu University, Under Graduation

B.Sc. IV - Semester Degree Examination
CBS-IVS/5
214778
ZOOLOGY
Course No. : UZOTC-401

Time Allowed: 2½ Hours                                                                                        Maximum Marks: 80

Note: Attempt all the questions from section A & B.

Section A comprises of 5 short answer type questions (70-80 words), each carrying 3 marks.

Section B comprises of 5 medium answer type questions (250-300 words), each carrying 7 marks.

Section C comprises of long answer type questions (500-600 words). Attempt 2 questions, each carrying 15 marks.

Draw labelled diagrams wherever necessary.

Section - A

Short answer type questions. All are compulsory. (5x3=15)

1. Define multiple alleles and lethal alleles.

2. Give a brief account on Translocations and its types.

3. Give an account on phylogeny of human.

4. What do you mean by Recombination frequency?

5. Define allopatric and sympatric speciation.

Section - B

Medium answer type questions. All are compulsory. (5x7=35)

6. What is incomplete and Co-dominance, explain in detail.

7. Discuss in detail the complete and incomplete linkage.

8. Write a detail account on Gene mutations.

9. Describe the concept and Evidence of evolution.

10. What is Isolating mechanism, explain its examples.

Section - C

Long answer type questions. Attempt any two. (2x15=30)

11. Discuss in detail the principal and laws of inheritance with suitable crosses.

12. Give the detailed account on Crossing over. Add a note on Recombination frequency.

13. Describe various numerical chromosomal changes.

14. Give a detail account on:

a) Neo - Darwinism

b) Mass extinctions

15. Write an account of

a) Hardy Weinberg equilibrium

b) Mutation pressure.

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