Biology WAEC

The group of several populations that interact and share a habitat, form?

A. a species B. a community C. an ecotype D. a tribe Correct Answer: Option B B. a community

4 years ago

Which of the following components of an ecosystem does not contribute to the biomass of the system?

A. Producers B. Consumers C. Micro-organisms D. Habitat Correct Answer: Option D D. Habitat

4 years ago

The first step in carrying out ecological studies in a terrestrial habitat is?

A. quadrat sampling B. mapping the area C. collection of organisms D. measuring abiotic factors Correct Answer: Option B B.…

4 years ago

Siphons and gills are structures in aquatic organisms used for?

A. gaseous exchange B. buoyancy C. excretion D. movement Correct Answer: Option A A. gaseous exchange

4 years ago

Which of the following organisms feeds both autotrophically and heterotrophically?

A. Hydra B. Paramecium C. Mucor D. Euglena Correct Answer: Option D D. Euglena

4 years ago

The examples of autotrophic organisms include the following except?

A. Euglena B. Chlamydomonas C. Hydra D. Spirogyra Correct Answer: Option C C. Hydra

4 years ago

Which of the following organisms is not considered as a parasitic plant?

A. Cassytha B. Rhizopus C. Dodder D. Mistletoe Correct Answer: Option B B. Rhizopus

4 years ago

If an enzyme works best in an acid medium, in which of the following parts of the human gut is the pH best for enzyme activities? In the

A. ileum, pH 9.0 B. stomach, pH 2.0 C. duodenum, pH 7.0 D. mouth cavity; pH 8.0 Correct Answer: Option…

4 years ago

Which of the following food substances would produce a translucent mark when rubbed on a white paper?

A. Potato B. Beans C. Mango D. Groundnut Correct Answer: Option D D. Groundnut

4 years ago

Which of the following combination of food substances would correct the deficiency numbered II?

Study the following list of deficiency symptoms in animals; use it to answer the questions below I. Loss of appetite…

4 years ago