A. some were short while others were long B. all were long C. half of them were long while half…
A. 100% tall 0% dwarf B. 75% tall 25% dwarf C. 50% tall 50% dwarf D. 25% tall 75% dwarf…
A. skin colour B. eye colour C. baldness D. tongue-rolling Correct Answer: Option A A. skin colour
A. 1 : 0 B. 1 : 2 : 1 C. 2 : 1 D. 3 : 1 Correct Answer:…
A. a pair of homologous chromosomes B. an extra chromosome in the cells of a female C. a dominant gene…
A. morphological adaptation B. morphological variation C. physiological adaptation D. physiological variation Correct Answer: Option D D. physiological variation
A. albinism B. blood groups C. sickle-cell anaemia D. haemophilic condition Correct Answer: Option D D. haemophilic condition
A. agroforestry B. deforestation C. shifting cultivation D. crop rotation Correct Answer: Option B B. deforestation
A. Use of powerful tools for felling trees B. regrowing of forest trees C. clearance of forests for cash crops…
A. rubber B. soil C. water D. cellophane Correct Answer: Option D D. cellophane