Biology

The soil type that will be most difficult to plough in a wet season is one that is?

A. loamy B. clayey C. sandy D. silty Correct Answer: Option B - clayey

4 years ago

The scarcity of food causes a sudden decrease in population size by?

A. decreasing the reproductive rate B. bringing about immigration C. raising the mortality rate D. minimizing the rate of competition…

4 years ago

A state in Nigeria that is most susceptible to desert encroachment is?

A. Kwara B. Taraba C. Kaduna D. Katsina Correct Answer: Option D - Katsina

4 years ago

One of the adaptation of reptile to water loss is the presences of?

A. keratinous scale B. claws on limbs C. long tails D. long sticky tongues Correct Answer: Option A - keratinous…

4 years ago

The progressive loss of energy at each level in a food chain leads to?

A. an increase in biomass at each successive level B. a decrease in biomass at each successive level C. an…

4 years ago

The association between termites and the cellulose-digesting protozoans in their guts is an example of?

A. saprophytism B. mutualism C. parasitism D. commensalism Correct Answer: Option B - mutualism

4 years ago

A caterpillar and an aphid living in different parts of the same plant can be said to?

A. occupy the same ecological niche B. be in different habitat C. occupy different ecological niche D. be in the…

4 years ago

The two keys cation involved in the action potential of nervous transmissions are?

A. Na+ and Fe2+ B. Mg2+ and K+ C. Na+ and K+ D. Fe2+ and Mg2+ Correct Answer: Option C…

4 years ago

If a nursing mother is not producing enough milk, her hormonal system is probably deficient in?

A. prolactin B. testosterone C. thyroxin D. insulin Correct Answer: Option A - prolactin

4 years ago

Nervous control differs from hormonal control in that the former?

A. involves only chemical transmission B. is a lower process C. produces short-term changes D. has no specific pathway Correct…

4 years ago