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Subject: Zoology Time Allowed: 02:30 Hours University of Sargodha BS 6th Term/ 5th Intake (2nd Term) Exam 2024

Subject: Zoology Time Allowed: 02:30 Hours University of Sargodha BS 6th Term/ 5th Intake (2nd Term) Exam 2024 — page 1

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Paper text

Subject: Zoology

Time Allowed: 02:30 Hours

University of Sargodha

BS 6th Term/ 5th Intake (2nd Term) Exam 2024

Paper: Developmental Biology (ZOOL-6113/Z00L~6309)

Maximum Marks: 40

-O'

Note: Objective part is compulsory. Attempt any three questions from subjective part.

Objective Part

(Compulsory)

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Q.1. Write short answers of the following in 2-3 lines of each on your answer sheet.

i.

Why meiosis is necessary for gametogenesis?

What is sperm capacitation?

ili.

iv.

V.

vi.

vii.

vili.

What do you know about acrosome?

What are gastrulation movements?

What is the role of yolk in egg?

What is discoidal cleavage?

What is cortical reaction?

What is difference between spermatogonia and spermatocytes?

(2*8)

Subjective Part

(3*8)

Q.2.

Q.3.

Q.4.

Q.5.

Q.6.

Write note on menstrual cycle.

What do you know about aging and regeneration in mammals?

Write note on cellular basis of morphogenesis.

Write note on fertilization in aquatic animals like sea urchin.

Write note on gastrulation in birds.

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- LK-6418/16-12-24

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