Biology

Adaptive radiation as illustrated by the variety of forms in insects can be regarded as?

A. behavioral modification B. a case of rapid population growth C. a physiological process D. an evidence of evolution E.…

6 years ago

The precondition for transfusion of blood to an accident victim is?

A. seeking the consent to his parents B. ascertaining the religious belief of the victim C. cross-matching the blood group…

6 years ago

The genetic make-up of an organism is described as its?

A. phenotype B. genotype C. character D. chromosome E. allele Correct Answer: Option B - genotype

6 years ago

A pair of genes which controls a trait is described as?

A. dominant B. recessive C. allele D. variant E. hybrid Correct Answer: Option C - allele Explanation Alleles are pairs…

6 years ago

When gametes from pure breeding parents with contrasting features such as tallness and shortness are involved in monohybrid cross, the offspring in the first filial generation are usually

A. pure breed B. heterozygous dominant C. homozygous recessive D. mutants E. co-dominant Correct Answer: Option B - heterozygous dominant

6 years ago

Thrombocytes are blood cells responsible for initiating?

A. phagocytosis of bacteria B. synthesis of ribosomes C. clotting of the blood D. immunity to certain infectious diseases E.…

6 years ago

Water rises most rapidly in?

A. sandy soil B. clayey soil C. sandy-loam soil D. loamy soil E. humus soil Correct Answer: Option B -…

6 years ago

The conservation of natural resources can be achieved by the following except?

A. creation of national parks B. formation of conservation societies and agencies C. establishment of game reserves D. deregulated harvesting…

6 years ago

Water in the human body is derived from the following sources except through?

A. drinking water B. food substances C. cytoplasm of worn-out cells D. respiratory activity E. absorption by the skin Correct…

6 years ago

Changes in energy flow between organisms in a habitat can be represented by a?

A. pyramid of biomass B. pyramid of numbers C. pyramid of energy D. food chain E. food web Correct Answer:…

6 years ago