Zoology CSS Paper II 2011
FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR
RECRUITMENT TO POSTS IN BPS – 17
UNDER THE FEDERAL GOVERNMENT, 2011.
ZOOLOGY, PAPER – II
TIME ALLOWED
(PART-1 MCQs) 30 Minutes MAXIMUM MARKS: 20
(PART—II) 2:30 Hours MAXIMUM MARKS: 80
NOTE: (i) First attempt PART-I (MCQs) on separate Answer Sheet which shall be taken back after 30 minutes.
(ii) Overwriting/cutting of the options/answers will not be given credit.
PART — I (MCQs) (COMPULSORY)
Q.1: Select the best option / answer and fill in the appropriate box on the Answer Sheet. (1 x20=20)
(i) Which one of the enzyme is present in saliva:
(a) Tyaline (b) Pepsin (c) Enterokinase (d) Lipase (e) None of these
(ii) Which one of the following act as Secondary Messenger after hormonal action on target cells:
(a) ATP (b) CTP (c) CAMP (d) ADP (e) None of these
(iii) Besides nucleus of cell, which organ dies also contain DNA?
(a) Golgi Bodies (b) Lysosome (c) Mitochondria (d) Cell Membrane (e) None of these
(iv) Lysosome in a cell is responsible for:
(a) Autolysis (b) Autophagy (c) Intracellular digestion (d) All of these (e) None of these
(v) ABO blood system in a human is example of:
(a) Epistasis (b) Linkage (c) Polygenic inheritance (d) Multiple allele (e) None of these
(vi) Who describe sex linkage in Drosophila:
(a) Sutton (b) Garth Nicolson (c) Jonathan Singer (d) Robertson (e) None of these
(vii) The number of cranial nerves in man is:
(a) 8 (b) 10 (c) 12 (d) 14 (e) None of these
(viii) Wings of Birds and fly are example of:
(a) Homologous organ (b) Analogous organ (c) Vestiges! organ (d) All of these (e) None of these
(ix) The main chemical composition of ribosome is:
(a) RNA + Protein (b) DNA + Protein (c) Protein +Carbohydrate (d) Protein + Lipids (e) None of these
(x) The hormone cortisone is secreted by:
(a) Pituitary gland (b) Ovary (c) Pancreas (d) Adrenal gland (e) None of these
(xi) In pond ecosystem the primary consumer are:
(a) Zooplankton (b) Insect larvae (c) Fish (d) All of these (e) None of these
(xii) The xx, xo sex determination mechanism is present in:
(a) Man (b) Grasshopper (c) Birds (d) All of these (e) None of these
(xiii)The DNA replication is:
(a) Conservative (b) Semi conservative (c) Dispersive (d) Equatorial (e) None of these
(xiv) Which one of the following genetic disorder is dominant in man:
(a) Colour blindness (b) Haemophilia (c) Tay-Sachs (d) All of these (e) None of these
(xv) The abiotic factor that bring sudden changes in ecosystem is:
(a) Light (b) Soil (c) In organic nutrients (d) Fire (e) None of these
(xvi) In human, blood clotting is due to the presence of protein called:
(a) Albumin (b) Globulin (c) Haemoglobin (d) Actin (e) None of these
(xvii) Male sex hormones are collectively known as:
(a) Estrogen (b) Androgen (c) Cortisone (d) Somatotrophic (e) None of these
(xviii) Which one of the following is not a Membrane bound cell organelle:
(a) Mitochondria (b) Endoplasmic Reticulum (c) Ribosome (d) Chloroplast (e) None of these
(xix) The enzyme pepsin is present in
(a) Pancreatic Juice (b) Bile (c) Saliva (d) Gastric Juice (e) None of these
(xx) The change in species composition of a community over a long period of time is called:
(a) Food chain (b) Food web (c) Ecological succession (d) Nich (e) None of these
PART— II
NOTE: (i) PART II is to be attempted on separate Answer Book.
(ii) Attempt ONLY FOUR questions from PART II, selecting TWO questions from each SECTION. All questions carry EQUAL marks.
(iii) Extra attempt of any question or any part of the attempted question will not be considered.
SECTION – I
Q.2: (a) Describe the structure, chemical composition and function of Golgi complex. (10)
(b) Explain Transport mechanism of plasma membrane. (10)
Q.3: (a) Differentiate between Mitosis and Meiosis cell division. (10)
(b) Define linkage with examples. (10)
Q.4: (a) What are respiratory pigments? Describe haemoglobin in detail. (10)
(b) Explain digestion of protein. (10)
Q.5: (a) Describe the main component of nervous system. (10)
(b) How nerve impulse is generated in neuron. (10)
SECTION — II
Q.6: (a) Explain the Darwin theory about evolution. (10)
(b) Give an account of species concept. (10)
Q.7: (a) Differentiate between complete and incomplete ecosystem. (10)
(b) Describe Air Pollution. (10)
Q.8: Write short notes on the following: (5 x 4 = 20)
(a) Evolutionary trend (b) Phylogeny (c) Multiple alleles (d) Fossils
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