Biology

A vestigial structure in humans is?

A. earlobe B. toe bone C. tail bone D. spleen Correct Answer: Option C C. tail bone

6 years ago

Which of the following components of Larmark’s theory of evolution is considered faulty?

A. Individuals of the same species growing under different environmental conditions differ from each other B. Use of certain organs…

6 years ago

Natural selection is a consequence of?

A. distribution of organisms B. adverse conditions C. variation in organisms D. inbreeding Correct Answer: Option B B. adverse conditions

6 years ago

If a person has two alleles of the sickle cell anaemia gene, the person?

A. is a heterozygous carrier of the disease B. is immune to the disease and cannot pass it on to…

6 years ago

Which of the following statements best describes protein synthesis?

A. DNA is directly involved in translation B. translocation oft e ribosomes expose a new codon for base pairing with…

6 years ago

Differences in characteristics observed between individuals of the same species is known as?

A. trait B. phenotype C. mutation D. variation Correct Answer: Option D D. variation

6 years ago

Acquired characters are?

A. received from parents B. passed to offspring C. caused by the environment D. caused by mutation Correct Answer: Option…

6 years ago

Which of the following statements is not true about continuous variation? It

A. is usually controlled by several genes B. can be influenced by environmental factors C. follows a normal distribution curve…

6 years ago

Which of the following activities promotes forest conservation?

A. Lumbering B. Use of firewood for cooking C. Afforestation D. Production of paper Correct Answer: Option C C. Afforestation

6 years ago