Biology

Trees in Savanna habitats usually have thick bark which mainly?

A. Reduces the rate of transpiration B. Protect them from the scorching sun C. Protect them from heavy winds D.…

6 years ago

Which of the following substances pass through the root cell membrane by osmosis?

A. Cell sap B. Carbon dioxide C. Oxygen D. Water Correct Answer: Option D D. Water Explanation Water passes through…

6 years ago

Rabbits cannot survive in an aquatic habitat because they have?

A. fore and hind limbs B. no gills C. no fins D. no scales Correct Answer: Option B B. no…

6 years ago

Which of the following type of soil has the highest water retaining capacity?

A. Loam B. Laterite C. Clay D. Sand Correct Answer: Option C C. Clay Explanation Clay soil is the soil…

6 years ago

Which of the following is an example of discontinuous variation?

A. The range in height of a pea plant from 30cm to 50cm B. Offsprings including two male cats and…

6 years ago

In plants, respiration occurs in?

A. The stomata and lenticel only B. Mesophyll cells only C. All living cells D. The root only Correct Answer:…

6 years ago

The specific portion of a habitat which is occupied by a particular species is referred to as?

A. Ecological population B. Ecological niche C. Biotic community D. Ecosystem Correct Answer: Option B B. Ecological niche Explanation Ecological…

6 years ago

The sum total of adaptive changes from pre-existing form that have taken place over a long time resulting in a diversity of forms, structures, and functions among organism is referred to as?

A. Specification B. Inorganic Evolution C. Evolution D. Organic Evolution Correct Answer: Option D D. Organic Evolution Explanation Organic evolution…

6 years ago

Which of the following are components of glomerular filtrate?

A. All the components of blood except mineral salts B. Water and salt only C. All the components of blood…

6 years ago

Which of the following structures controls the activities of the living cell?

A. Nucleus B. Centrosome C. Mitochondrion D. Golgi body Correct Answer: Option A A. Nucleus Explanation The nucleus is a…

6 years ago