A. presence of wings, possession of a small head and large thorax B. presence of wings, possession of a large…
A. at adolescence B. at puberty C. at birth D. at conception Correct Answer: Option D - at conception
A. 2n → 2n B. n → n C. n → 2n D. 2n → n Correct Answer: Option D…
A. an allele B. recessive C. dominant D. a hybrid Correct Answer: Option A - an allele
A. blood grouping B. tongue rolling C. behavioural patterns D. colour variation Correct Answer: C - behavioural patterns
A. taste bud variation B. discontinuous variation C. morphological variation D. continuous variation Correct Answer: Option B - discontinuous variation
A. female Anopheles mosquitoes B. female Aedes mosquitoes C. female Culex mosquitoes D. Female blackfly Correct Answer: Option A -…
A. watering B. crop rotation C. manuring D. irrigation Correct Answer: Option B - crop rotation
A. Aedes mosquito B. Anopheles mosquito C. tsetse fly D. blackfly Correct Answer: Option A - Aedes mosquito
A. population density B. population frequency C. population size D. population distribution Correct Answer: Option A - population density