Biology WAEC

Wind speed is measured with?

A. a maximum-minimum thermometer B. a hygrometer C. a wet and dry bulb hygrometer D. an anemometer Correct Answer: Option…

4 years ago

Which of the following organisms are the producers in an aquatic habitat?

A. Benthons B. Phytoplanktons C. Zooplanktons D. Nektons Correct Answer: Option B B. Phytoplanktons

4 years ago

The term community is defined as?

A. the different groups of plants and animals in the same area and interacting with each other B. the consumers…

4 years ago

Which of the following features of the tadpole indicates that the animal is herbivorous? Possession of

A. operculum B. muscular tail C. long coiled intestine D. internal gills Correct Answer: Option C C. long coiled intestine

4 years ago

Which of the following protozoans feeds parasitically?

A. Paramecium B. Chlamydomonas C. Plasmodium D. Euglena Correct Answer: Option C A. Paramecium

4 years ago

What substances do X and Y represent?

Use the following equations to answer the question below I - Boiled saliva + starch → X II - Fresh…

4 years ago

Which of the following enzymes is not one of the main classes of enzymes?

A. Sucrase B. Amylases C. Proteases D. Lipases Correct Answer: Option A A. Sucrase

4 years ago

Enzymes can be inactivated by certain chemical substances in the body called?

A. catalysts B. inhibitors C. substrates D. activators Correct Answer: Option B B. inhibitors Explanation Enzyme inhibitors are substances which…

4 years ago

The colour that is associated with a positive iodine test is?

A. brown B. red C. blue-black D. yellow Correct Answer: Option C C. blue-black

4 years ago

In a test for non-reducing sugars like sucrose, what is the significance of adding dilute hydrochloric acid to the original sugar solution? To

A. hydrolyse the non-reducing sugar B. accelerate he rate of the reaction C. stabilize the medium D. sterilize the solution…

4 years ago