Biology

Which of the following ecological factors causes food shortage?

A. Low rate of reproduction B. Emigration C. Drought D. Topography E. wind direction Correct Answer: Option C - Drought

6 years ago

The following structures are adaptation for water conservation except?

A. sunken stomata B. scales in animals C. lenticels in stems D. spines in plants E. thick leaves Correct Answer:…

6 years ago

The pair of genes expressed in a heterozygous individual is described as?

A. allele B. chromatid C. dominant gene D. centrosome E. chromomere Correct Answer: Option C - dominant gene

6 years ago

Which of the following is not a reason why an offspring looks different from its parents?

A. Random reorganization of chromosome during gamete formation B. Existence of multiple alleles in organisms C. Formation of chasmata in…

6 years ago

Which of the following is a definition of heredity? It is the

A. non-resemblance of closely related organisms B. total absence of parental traits in offspring C. absence of variation in organisms…

6 years ago

The statement that the environment determines which organisms survive to reproduce?

A. explains the theory of acquired characters B. supports Jean Lamarck’s theory of use and disuse C. supports the idea…

6 years ago

An individual with blood group AB can receive blood from those in blood group(s)

A. AB only B B. A and B only C. B only D. AB and O only E. A, B,…

6 years ago

Hereditary variation is best described as?

A. characters transmitted from generation to generation B. traits acquired from diseases C. characters that show up due to social…

6 years ago

Which of the following can be said to be discontinuous variation?

A. Height B. Size of head C. Blood group D. Skin colour E. Length of foot Correct Answer: Option C…

6 years ago

The following practices are aimed at soil conservation except?

A. contour ridging B. application of manures C. strip cropping D. bush clearing E. crop rotation Correct Answer: Option D…

6 years ago