Cell Biology/Evolution/Genetics BS Botany/BS Chemistry 3 Semester/Term University Of Sargodha (UOS) 2023

BS 3" Term Examination 2023

Subject: Botany/Chemistry/Zoology ~~ Paper: Cell Biology Genetics and Evolution (BOTN-S103)

i s$: 40

Time Allowed: 02:30 Hours MAzinfamibisss

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

Objective Part (Compulsory)

Q.1. Write short answers of the following in 2-3 lines each on your answer sheet. (2*8)

k” Differentiate between prokaryotic and eukaryotic cell

i” Differentiate between nuclear and plastidic DNA,

Hi. How somatic and embryo genic reproduction does differs from each other?

¥. What do you know about the endonucleases?

vw? What is lac operon?

vi” What are interspecific and intraspecific hybrids?

wi” What do PAGE stands for?

viii. Differentiate between test cross and back cross.

Subject: Botany/Chemistry/Zoology ~~ Paper: Cell Biology Genetics and Evolution (BOTN-5103)

Time Allowed: 02:30 Hours Maximum Marks: 40

| Differentiate between nuclear and plastidic DNA,

#1. How somatic and embryo genic reproduction does differs from each other?

v7 What is lac operon?

viii. Differentiate between test cross and back Cross,

Subjective Part (3*8)

What is Cell and what are its basic properties? Describe its types and write a detailed note on it.

Q.3. Describe in detail the structure and functions of nucleic acid and protein.

4. Write a detail note on mitochondria and cell membrane.

.5. Write a detail note on Mendel’s Law of Independent Assortment.

.6. Explain T.H. Morgan experiments confirming sex linked inheritance.

on LK-6465,6467,6473/15-06-23 --- de