B.Sc. Zoology (Honours), Part-III
Paper-VI
Time: 3.00 Hrs. Full Marks: 80
Answer any five questions. Questions No. 1 is compulsory. All questions carry equal marks.
1. Multiple choice questions. (Each question carries two marks)
Diffusion of dissolved substance through semipermeable membrane is called:
Osmosis Dialysis
Active transport Facilitade diffusion
Enzymes are synthesized in the cell by:
mitochondria lysosome Golgi complex ribosome
Insulin is
Carohydrate fat protein none of
them
The site of cholesterol synthesis is:
Nucleus Endoplasmic reticulum
Golgi body Mitochondria
Mutation, which alter the chemical structure of genes at molecular level is:
Chromosomal mutation Point mutation
Lethal mutation Reverse mutation
Male honey bee is:
Triploid Haploid Tetraploid Diploid
Lysosome was discovered by:
Palade Robertson de duve de vries
(viii) Polyploide means occurrence of:
Haploid set of chromosome Diploid set of chromosome
More than two sets of chromosome None of the above
2. Give an account of DNA replication.
3. Describe different types of chromosomes and their functions.
4. Write an essay on Mutation.
5. Describe structure and functions of Mitochondria.
6. Give an account of active transport.
7. Give an account of cell secretion of pancreatic cells.
8. Give an account of Fertilization.
9. Give an account of structure and function of RNA.
10. Write short notes on any Two of the following:
Lethal mutation Ribosome
Genotype and Phenotype Golgi body