Biology

Which of the following actions is not an example of a simple reflex action?

A. Knee jerk B. Blinking of the eye C. Withdrawal of hand from hot object D. Reading a book E.…

6 years ago

Conventional method of sewage disposal involves all the following except defaecating?

A. into pit latrines B. in open fields C. into cesspit D. into bucket latrine E. into water home sewage…

6 years ago

The long and sharp claws in the font labelled ll show that the bird uses them to?

A. hold onto its prey B. paddle in water C. glide in the alt D. scratch the earth for worms…

6 years ago

The process in which insects undergo conspicuous changes in form and appearance during development is known as?

A. ecdysis B. metamorphosis C. aestivation D. migration E. hibernation Correct Answer: Option B - metamorphosis

6 years ago

The process by which plants manufacture food from carbondioxide and water, using energy from the sun is termed?

A. chemosynthesis B. photosynthesis C. autotrophism D. heterotrophism E. transpiration Correct Answer: Option B - photosynthesis

6 years ago

The two important physical processes involved in the absorption and transport of materials in plants are?

A. diffusion and plasmolysis B. cohesion and adhesion C. flaccidity and turgidity D. osmosis and diffusion E. plasmolysis and capillarity…

6 years ago

The scientist who discovered the cell while examining a thin slice of cork under the microscope was?

A. Robert Hooke B. Anton van Leeuwenhoek C. Matthias Schleiden D. Theodor Schwann E. Alexander Fleming Correct Answer: Option A…

6 years ago

All animals are dependent on green plants because plants?

A. shelter them from excessive heat from the sun B. give them protection from enemies C. are used for building…

6 years ago

Ultra-filtration process at the Bowman’s capsule is facilitated by?

A. the volume of water in the blood B. the high concentration of urea in the blood of the Bowman’s…

6 years ago

Density, mortality rate, birth rate are the factors that affect?

A. population B. dominance C. cover D. habitat E. abiotic community Correct Answer: Option A - population

6 years ago