37.The following effects are associated with deforestation except (a) gully erosion (b) extinction of species...

37.The following effects are associated with deforestation except (a) gully erosion (b) extinction of species (c) migration of wildlife (d) increase in rainfall
38.The main reason for conservation of wildlife is to (a) create national parks for recreation (b) maintain ecological balance in communities (c) prevent hunters from being cruel to animals (d) save some species from extinction
39.Which of the following is an example of variation? (a) blood (b) tongue rolling (c) reproduction (d) growth
40.The parameters of size, height, weight and colour in a population of living things are examples of (a) environmental variation (b) non-heritable variation (c) continous variation (d) discontinuous variation
41. Fingerprints are useful in crime detection because (a) the police have sophisticated fingerprint machines (b) thieves may leave their prints at the scene of a crime (c) no two people have the same (d) fingerprints are easy to make
42. A person with blood group O can be given blood from group (a) O only (b) A only (c) A & O (d) A, B & O
43.A man heterozygous for albino gene marries a woman who is also heterozygous for the gene. Both have normal skin colour. The probability of an albino child is (a)1/3 (b) ¼ (c) 4/4 (d) 2/4
44.Which of the following statements about heredity is not true? (a) traits are carried by genes (b) traits are contained in the ovum and sperm (c) traits are always transmitted by one parent (d) traits are transmitted from parents to offspring
45.An example of a saprophytic relationship is an/a (a) vulture feeding on decaying meat (b) mushroom s growing on decaying vegetation (c) boy eating stale bread (d) earthworm feeding on decaying vegetation?

2 Answers Available
Asked by Leo on 19th March, 2020