Written by
in
9. Human skin colour is an example of(a) Polygene (b) Pleiotropic gene (c) Multiple alleles (d) CodominanceDeselect Answer
10. Pleiotropic effect is found in(a) Human height (b) Phenylketonuria (c) Night blindness (d) HaemophiliaDeselect Answer
11. Mendel’s second law is also known asa) Law of dominance b) Law of segregation c) Law of independent assortment d) None of aboveDeselect Answer
12. Chromosomal theory of inheritance is proposed bya) Sutton and Flemming b) Walter Flemming c) Sutton and Boveri d) T.H MorganDeselect Answer
13. Brood parasitism is observed in(a) Cuckoo (b) Cuscuta (c) Butterfly (d) StarfishDeselect Answer
14. The relation between algae and fungi in lichen is(a) Commensalism (b) Parasitism (c) Competition(d) MutualismDeselect Answer
15. Type of interaction that occur in predation is(a)+,+ (b) +,- (c) -,- (d) +,0Deselect Answer
16. The principle of competitive exclusion was given by(a) Darwin (b) MacArthur (c) Connell (d) GauseDeselect Answer
17. In some shallow South American lake, flamingoes and fishes show which type of interaction(a) Competition(b) Mutualism (c) Predation (d) MutualismDeselect Answer
18. Select the correct statement.a) Predators are conduit for energy flow b) Type of interaction in predation is positive c) Predators do not play a role in prey population d) All of aboveDeselect Answer
19. Male contains half the number of chromosomes present in female in (a) Human beings(b) Honey bee (c) Pigeon (d) MothDeselect Answer
20. The number of chromosomes in a person suffering from Down’s Syndrome is(a) 46 (b) 47 (c) 45 (d) 23Deselect Answer