Biology

Xerophytes have the following characteristics aimed at conserving water except?

A. thick cuticle B. broad leaf surfaces C. sunken stomata D. waxy cuticle Correct Answer: Option B B. broad leaf…

6 years ago

An association between living organisms in which one lives on and feeds at the expense of the other is known as?

A. commensalism B. predation C. parasitism D. mutualism Correct Answer: Option C C. parasitism Explanation A parasite is an organism…

6 years ago

In an ecosystem, the least efficient energy transfer link is from the?

A. secondary consumers to decomposers B. sun to producers C. primary consumers to secondary consumers D. producer to primary consumers…

6 years ago

Which of the following instruments is used to determine the turbidity of water?

A. hygrometer B. hydrometer C. Secchi disc D. rain gauge Correct Answer: Option C C. Secchi disc Explanation The Secchi…

6 years ago

The diagram above is an illustration of organisms in an air-tight aquarium. The most important factor needed by the organisms is?

A. light energy B. low humidity C. oxygen D. nitrate Correct Answer: Option A A. light energy Explanation Proper light…

6 years ago

The most important factor(s) that influence(s) the ecological niche of an organism is/ are the?

A. water, light and predator-prey relationship B. food and water availability C. physical environment D. competition for food and space…

6 years ago

Which of the following statements would be a correct observation at the end of the experiment? Water moves

A. highest in sandy soil B. lowest in loamy soil C. to the same level in all soil types D.…

6 years ago

The duodenum of a person was surgically removed. Which of the following substances would have their digestion affected?

A. starch and protein only B. starch and lipids C. starch, peptones and maltose D. starch, protein and lipids Correct…

6 years ago

The ascent of water in tall trees is mainly due to?

A. adhesive forces B. transpiration pull C. root pressure D. cohesive forces Correct Answer: Option B B. transpiration pull Explanation…

6 years ago

By what process is starch converted into maltose?

A. Hydrolysis B. Condensation C. Translocation D. Photosynthesis Correct Answer: Option A A. Hydrolysis Explanation Carbohydrates are broken down into…

6 years ago