Biology

Adrenalin is considered as a hormone for “fright and flight” because it?

A. controls the fluid content of the body B. is used in protein metabolism C. plays a role in the…

6 years ago

Which of the following does not occur during inhalation in mammals?

A. Rib cage is raised up B. Diaphragm contracts and becomes dome shaped C. Inter-coastal muscle contracts D. Volume of…

6 years ago

Which of the following is used to measure the rate of water uptake in plants?

A. Potometer B. Hydrometer C. Hygrometer D. aspirator Correct Answer: Option A A. Potometer

6 years ago

The function of the red blood cells is to?

A. engulf invading bacteria B. aid in protein formation C. transport oxygen to the cells D. control blood glucose level…

6 years ago

Diffusion is most effective in living organisms, when the surface area is?

A. large and the thickness is also large B. small while the thickness is large C. large while the thickness…

6 years ago

Which of the following will ease the friction between the ends of bones in a movable joint?

A. Serum B. Tissue C. Blood plasma D. Synovial fluid. Correct Answer: Option D D. Synovial fluid.

6 years ago

The following are methods of measuring plant growth except?

A. determining the fresh and dry weights of the plant B. counting the number of fruits produced C. measuring the…

6 years ago

Indicate in descending order, the rate of water loss from the leaves?

Study the information below. Use it to answer question below In an experiment to study the rate of water loss…

6 years ago

Which of the following definitions best describes excretion? The

A. liberation of energy from food B. release of faeces from the body C. breakdown of food molecules D. removal…

6 years ago

Which of the following will cause wilting in plants?

A. Humidity B. Coldness C. Adequate soil water D. Excessive transpiration Correct Answer: Option D D. Excessive transpiration

6 years ago