Biology

The legs and beak of an egret resemble those of the heron because they

A. both feed on fishes B. are both birds C. occupy similar niche D. occupy the same trophic level Correct…

4 years ago

The disaster that would have the least destructive impact on animal life and balance in nature is?

A. chemical pollution B. forest fires C. oil spillage D. grasshopper pests Correct Answer: Option D - grasshopper pests

4 years ago

In a food chain, each succeeding level in a forward direction represents?

A. an increase in the number of individuals B. a decrease in the number of individuals C. an increase in…

4 years ago

In a group of male Agama lizards, the one with the brightest head colour is the?

A. dominant B. youngest C. oldest D. largest Correct Answer: Option A - dominant

4 years ago

The older fossil-bearing rocks, in contrast to the more recent ones, are more likely to contain?

A. animal rather than plant remains B. invertebrates rather than birds C. flowering plants rather than mosses D. reptiles rather…

4 years ago

Blood grouping in human beings is derived from combinations of?

A. two different alleles B. four different alleles C. three different alleles D. two different genes Correct Answer: Option A…

4 years ago

Which of the following is an adaptation of tropical rainforest species?

A. Few stomata B. Thick bark C. Buttress roots D. Reduced leaves Correct Answer: Option C - Buttress roots

4 years ago

Which of the following are adaptations of animals to aquatic habitats?

A. Gills, streamlined bodies and lateral lines B. Lateral line, streamlined bodies and lungs C. Gills, scaly skin and lungs…

4 years ago

Which of the following growth activities in plants is brought about by gibberellins?

A. Rapid cell division B. Tropic response C. Cell elongation D. Main cell elongation Correct Answer: Option C - Cell…

4 years ago

Which combination of the above can cause rapid over-crowding in climax biotic communities and human settlements?

I. High birth rate and high immigration rate II. Low birth rate and high immigration rate III. Low mortality rate…

4 years ago