Biology

Which of the following is a renewable natural resources?

A. Air B. Timber C. Soil D. Mineral Correct Answer: Option A - Air

6 years ago

Which of the following is an effect of carbon monoxide on man?

A. irritating the skin B. Reducing oxygen-carrying capacity of blood C. Causing gene mutation D. Destroying white blood cells. Correct…

6 years ago

During prolonged exercises, glucose in the muscle is convened to?

A. pyruvic acid B. lactic acid C. coenzyme D. ethanol Correct Answer: Option B - lactic acid

6 years ago

Which of the following parasites is a flatworm?

A. Plasmodium B. Trypanosoma C. Ascaris D. Schistosoma Correct Answer: Option D - Schistosoma

6 years ago

Which of the following factors may not affect living organisms in an aquatic habitat?

A. Turbidity B. Temperature C. Humidity D. Light Correct Answer: Option C - C. Humidity

6 years ago

A situation whereby some mammals remain inactive throughout dry and hot seasons is known as?

A. aestivation B. dormancy C. burrowing D. incubation Correct Answer: Option A - aestivation

6 years ago

Which of the following is a means of measuring primary production?

A. Rate of reproduction of animals B. Life span of an organism C. Number of predators in an environment D.…

6 years ago

Carbon is added to the atmosphere by the following processes except?

A. respiration B. burning C. photosynthesis D. volcanic eruption Correct Answer: Option C - photosynthesis

6 years ago

A known weight of soil sample was oven-dried to obtain a constant weight. The loss in weight was due to?

loss of A. organic matter only B. water only C. water and organic matter D. inorganic matter and water Correct…

6 years ago

Soil factors in an ecosystem are referred to as?

A. topographic B. climatic C. biotic D. edaphic Correct Answer: Option D - edaphic

6 years ago