Biology Practice Test

Question 1 of 5

In the hierarchical organizational system, which of these is the most restrictive category?

A. Genus B. Class C. Kingdom D. Species

Question 2 of 5

DNA and RNA are both subunits of which biological molecule?

A. Nucleic acids B. Proteins C. Carbohydrates D. Lipids

Question 3 of 5

Which of the following is responsible for the synthesis of carbohydrates, lipids, and steroid hormones?

A. Smooth endoplasmic reticulum (ER) B. Rough endoplasmic reticulum (ER) C. Golgi apparatus D. Ribosomes

Question 4 of 5

During which stage of mitosis do the chromosomes gather on either side of the separating cell?

A. Metaphase B. Telophase C. Anaphase D. Prophase

Question 5 of 5

A water molecule contains two types of atoms that are covalently bonded. Which of the following makes up a water molecule?

A. One hydrogen atom and one oxygen atom B. One hydrogen atom and two oxygen atoms C. Two hydrogen atoms and two oxygen atoms D. Two hydrogen atoms and one oxygen atom

Biology Practice Test

Skildor

HESI RN

HESI RN