SPSC Zoology Mcqs Past Papers

Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (20)

(i) Cell membrane is formed of:

(a) Carbohydrate
(b) Lipid
(c) Protein
(d) Lipoprotein
(e) None of these

(ii) Electron transport chain reaction occur in:

(a) Cell membrane
(b) Cell wall
(c) Endoplasm
(d) Mitochondrion
(e) None of these

(iii) Ribosomes in cell are responsible for:

(a) Protein formation
(b) Glycolysis
(c) Lipid breakdown
(d) All of these
(e) None of these

(iv) Golgi complex is responsible for:

(a) Carbohydrate metabolism
(b) Protein synthesis
(c) Lipid synthesis
(d) None of these
(e) All of these

(v) Basic excretory chemicals in all the cells is:

(a) Urea
(b) Uric acid
(c) Ammonia
(d) None of these
(e) All of these

(vi) Oxygen transport from lungs to tissue occurs through:

(a) Difference in pressure
(b) Solubility in plasma
(c) Attachment with RBC surface
(d) None of these
(e) All of these

(vii) FSH (Follicle Stimulating Hormone) is produced in:

(a) Ovary
(b) Hypothalamus
(c) Pituatary
(d) None of these
(e) All of these

(viii) Lipase is an enzyme responsible for:

(a) Carbohydrate metabolism
(b) Lipid breakdown
(c) Protein breakdown
(d) None of these

(ix) Law of segregation is applicable to:

(a) Homozygous individual
(b) Heterozygous individual
(c) Both Homozygous and heterozygous
(d) None of these

(x) Sex linked genes concern:

(a) Sex characters
(b) Somatic character
(c) Mostly somatic character
(d) None of these

(xi) XXY individual in man is a phenotypic male, because:

(a) Two X chromosomes are present
(b) Y-chromosome is present
(c) Both X and Y chromosomes are present
(d) None of these

(xii) Trisomic condition can be produced through:

(a) Primary Non-disjunction
(b) Secondary non-disjunction
(c) Both a and b
(d) None of these

(xiii) First living organism on this planet was:

(a) A protozoan
(b) An algae
(c) Bacteria
(d) A virus
(e) None of these

(xiv) Theory of Natural Selection was proposed by:

(a) Charles Darwin
(b) A.R. Wallace
(c) Both a and b
(d) None of these

(xv) Lamarck’s theory of inheritance of acquired characters says:

(a) Environment forces a character
(b) Environment selects a character
(c) Environment has no effect
(d) None of these

(xvi) Orthoselection means:

(a) Selection occurring at different times
(b) Selection occurring at different rates
(c) Selection occurring in one direction
(d) None of these
(e) All of these

(xvii) Haeckle’s biogenetic law says:

(a) Ontogeny repeats phylogeny
(b) Phylogeny repeats ontogeny
(c) None of these
(d) Both a and b together

(xviii) Ecosystem is a system involving biotic and abiotic components which:

(a) Interact
(b) Interact for energy flow
(c) No interaction
(d) None of these

(xix) Nitrogen biogeochemical cycle is regarded as gasous cycle because:

(a) Nitrogen is a gas
(b) Recycling is almost complete
(c) Major part of cycle is in gasous state
(d) None of these

(xx) Raw material for evolution are variation, which are produced through:

(a) Gene mutation
(b) Chromosomal aberration
(c) Both a and b
(d) None of these


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