Download OU B.Sc 2019 Dec 1st Sem (1st Year ) 9013 Biotechnology Question Paper

FirstRanker.com

FACULTY OF SCIENCE

B.Sc. I-Semester (CBCS) Examination, November / December 2018

--- Content provided by⁠ FirstRanker.com ---

Subject: Bio-Technology

Cell Biology and Genetics

Paper—1

Time: 3 Hours Max.Marks: 80

PART — A (8x4 = 32 Marks)

--- Content provided by‍ FirstRanker.com ---

[Short Answer Type]

Note: Answer any Eight of the following questions.

1. Prokaryotic cell membrane
2. Fluid mosaic model
3. Division in bacteria

--- Content provided by‌ FirstRanker.com ---

4. Law of independent assortment
5. Cytoplasmic male sterility in Maize
6. Hardy-Weinberg Equilibrium

PART — B (4x12 = 48 Marks)

[Essay Answer Type]

--- Content provided by‌ FirstRanker.com ---

Note: Answer all questions from the following.

1. Describe the structure of eukaryotic cell.

   OR

   Detail the chromosomal aberrations.
2. Explain the stages of Meiosis and its significance.

   OR

   Describe the stages of eukaryotic cell cycle.

--- Content provided by‍ FirstRanker.com ---

3. Describe and explain the factors contributing to success of Mendel's experiments.

   OR

   What is linkage and crossing over mechanism? Give a note with suitable examples.
4. Explain cytoplasmic inheritance — Maternal effect, variegation in Mirabilis jalapa.

   OR

   Describe gene conversion in human and Neurospora crassa.

--- Content provided by⁠ FirstRanker.com ---