Biology

A health condition that is known to have resulted from gene mutation is?

A. haemophilia B. colour blindness C. sickle-cell anaemia D. anaemia Correct Answer: Option C - sickle-cell anaemia

5 years ago

In Mendelian inheritance, discontinuous characters are controlled by the?

A. centromeres B. alleles C. chromosomes D. chromatids Correct Answer: Option C - chromosomes

5 years ago

A farmer’s assumption that the seed from a good harvest will produce a good yield is explained by the theory of?

A. evolution B. adaptation C. variation D. heredity Correct Answer: Option D - heredity

5 years ago

A phenotypic character with intermediate forms that can be graded from one extreme to the other is referred to as?

A. discontinuous variation B. continuous variation C. a mutant D. a genome Correct Answer: Option B - continuous variation

5 years ago

The uniqueness of an individual organism in a population is accounted for by?

A. evolution B. variation C. adaptation D. mutation Correct Answer: Option C - adaptation

5 years ago

The major cause of global warning is the?

A. burning of fossil fuel B. construction of dams C. use of electricity D. exploration of space Correct Answer: Option…

5 years ago

Which of the diseases listed above are associated with water?

I. Onchocerciasis II. Schistosomiasis III.Salmonellosis IV. Meningitis A. I and II only B. II, III and IV C. I, II…

5 years ago

Which of the following biomass could be characterized by very low rainfall, cold nights, hot days, and fast blooming plants?

A. northern guinea savanna B. southern guinea savanna C. tropical desert D. montane forest Correct Answer: Option C - tropical…

5 years ago

In fresh water marshes and swamps, the most important abiotic factors that organisms have to adapt to is?

A. nature of the substratum B. high salinity C. high temperature D. low pH Correct Answer: Option A - nature…

5 years ago