Biology

Which of the following pairs of cells carry out the same function?

A. Check cell and red blood cell B. Spermatozoan and ovum C. Palisade cell and epidermal cell D. Root tip…

6 years ago

Which of the following cells are not regarded as specialized?

A. Sperm cells B. Root up cells C. Muscle cells D. somatic cells Correct Answer: Option D D. somatic cells

6 years ago

Which of the following structures is a tissue?

A. Vessel element B. Blood C. Sieve tube element D. Erythrocyte Correct Answer: Option B B. Blood

6 years ago

The branch of biology that deals with the principles of classification of organisms is known as?

A. biological index B. nomenclature C. taxonomy D. ecology Correct Answer: Option C C. taxonomy

6 years ago

In the diagram, the arrow labelled II represents the?

A. release of oxygen B. intake of carbon (IV) oxide C. movement of photosynthates D. movement of nutrients Correct Answer:…

6 years ago

Which of the following sequences is the correct evolutionary trend in plants?

A. Algae → liverworts → mosses → ferns B. Liverworts → mosses → ferns → algae C. mosses → algae…

6 years ago

Bees are of great importance to the farmer because they?

A. provide him with honey B. pollinate flowers C. sting crop pests to death D. destroy flowers by sucking nectar…

6 years ago

What name is given to a sudden change in a gene or chromosome?

A. Allele B. Genotype C. Mutation D. Phenotype Correct Answer: Option C C. Mutation

6 years ago

In a case of complete dominance, what is the phenotypic ratio of the cross Bb X Bb; where B =black and b = white?

A. 1 black : 1 grey : 2 whites B. 1 black : 3 whites C. 1 black : 2…

6 years ago

In the structure of DNA, which of the following statements is true?

A. The double helix are held together by covalent bonds B. Nucleotide is made up of ribose, phosphate and an…

6 years ago