FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS
IN BPS – 17 UNDER THE FEDERAL GOVERNMENT, 2005.
ZOOLOGY, PAPER – II
TIME ALLOWED: THREE HOURS MAXIMUM MARKS:100
NOTE: Attempt FIVE questions in all, including question No. 8 which is COMPULSORY. All questions carry EQUAL marks. Give diagram wherever required.
- (a) List the steps involved in the synthesis of protein starting from DNA.
(b) Give an account of morphology.chemical composition and functioning of golgi complex.
(a) Briefly discuss the mechanism involved in transport of oxygen from lungs to tissues.
(b) What are the different excretory products in animals?How and why these are produced in different animal groups.
(a) Discuss the multiple allele inheritance with reference to inheritance of ABO blood groups in man.
(b) Define epistasis?How does it differs from dominance?Give three examples of epistatic interactions.
(a) Give a brief account of the possible origin of life on this globe.
(b) Compare the darwin’s theory of natural selection with the Lamarck’s theory of acquired characters.
(a) Define ecosystem.discuss pond as an example of complete ecosystem.
(b) What is biogeochemical cycle? Describe phosphorus cycle.
(a) Discuss the role of polyploidy in developmentment of commercial varieties in plants.
(b) Discuss different enzymes involved in digestion in man.
Write short notes on:
(a) sex linkage (b) lysosomes (c) pituitary hormones (d) air pollution
Write only the correct answer in the answer book.Do not reproduce the question
The chemical composition of a chromosome is :
(a) lipoprotein (b) polysaccharide (c) nucleoprotein (d) None of these
Lysosomes are responsible for:
(a) Protein (b) ATP formation (c) intracellular breakdown (d) None of these
Ribosomes are located on:
(a) cell membrane (b) rough endoplasmic reticulum (c) mitochondria (d) nuclear membrane
e) None of these
The metaphase chromosomes are thick because these
(a) multiply (b) duplicate (c) coiled coiling (d) none of these
Glycolysis occur in
(a) cytoplasm (b) mitochondria (c) cell membrane (d) all of these
Nerves convey the message in the form of
(a) physical impulse (b) chemical impulse (c) electrical impulse (d) none of these
Follicle stimulating hormone is produced in:
(a) ovary (b) pituitary (c) hypothalamus (d) all of these
The primary excretory product is
(a) Ammonia (b) Carbon dioxide (c) feaces (d) none of these
pepsin is responsible for digestion of:
(a) carbohydrate (b) lipid (c) protein (d) all of these
XXY individual in men is phenotypically
(a) male (b) female (c) intersex (d) none of these
Sex linked genes are located on :
(a) only on X chromosome (b) only on Y chromosome (c) sex chromosome (d) All of these
Mendelian segregation is applicable to :
(a) gametogenesis (b) meiosis (c) spore formation (d) none of these
the number of the alleles of a gene in a diploid individual is:
(a) any number (b) one (c) two (d) three
The gene mapping is measured in:
(a) Millimeters (b) microns (c) Angstrom (d) centi morga
genetic dominance concerns with the phenotypic expression in:
(a) heterozygous (b) homozygous (c) both a and b (d) none of these
The first living organism was
(a) Algal cell (b) virus (c) bacteria (d) none of these
Enzymes are chemically
(a) carbohydrates (b) lipids (c) lipoproteins (d) proteins
Theory of natural selection was initially proposed by:
(a) darwin (b) Wallace (c) both Darwin and Wallace (d) Eyll
Second law of thermodynamics demand
(a) energy stability (b) energy loss during transfer of energy (c) Energy flow from one form to Another (d) none of these
The basic purpose of ecosystem is
(a) maintenance of organisms (b) energy flow (c) chemical movements (d) none of these