SPSC Zoology solved Mcqs Past Papers notes download in pdf. Zoology mcqs practice tests and mock tests free online.
(i) Cell membrane is formed of:
Ans: Lipid
(ii) Electron transport chain reaction occur in:
Ans: Mitochondrion
(iii) Ribosomes in cell are responsible for:
Ans: Protein formation
(v) Basic excretory chemicals in all the cells is:
Ans: Ammonia
(vii) FSH (Follicle Stimulating Hormone) is produced in:
Ans: Pituitary
(viii) Lipase is an enzyme responsible for:
Ans: Lipid breakdown
(ix) Law of segregation is applicable to what:
Ans: Both Homozygous and heterozygous
(x) Sex linked genes concern:
Ans: Sex characters
(xi) XXY individual in man is a phenotypic male, because:
Ans: Y-chromosome is present
(xii) Trisomic condition can be produced through:
Ans: (Primary Non-disjunction and Secondary non-disjunction)
(xiv) Theory of Natural Selection was proposed by:
Ans: (Charles Darwin and A.R. Wallace)
(xv) Lamarck’s theory of inheritance of acquired characters says:
Ans: Environment forces a character
(xvi) Orthoselection means:
Ans: Selection occurring in one direction
(xvii) Haeckle’s biogenetic law says what:
Ans: Ontogeny repeats phylogeny
(xviii) Ecosystem is a system involving biotic and abiotic components which:
Ans: Interact
(xix) Nitrogen biogeochemical cycle is regarded as gasous cycle because:
(c) Major part of cycle is in gaseous state
(xx) Raw material for evolution are variation, which are produced through:
Ans: (Gene mutation and Chromosomal aberration)
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