Question 1

Which of the following is NOT one of the eight key characteristics of living organisms?

Accepted Answer

Ability to photosynthesize

Question 2

A student observes a cell under a microscope. The width of the cell in the diagram is 240 mm, and the actual width of the cell is 40 μm. What is the magnification used? Use the formula $$	ext{magnification} = \frac{	ext{width of cell in diagram}}{	ext{actual width of cell}}.$$

Accepted Answer

$$	imes 6000$$

Question 3

Which organelle is found in plant cells but NOT in animal cells?

Accepted Answer

Chloroplast

Question 4

Yeast is an example of which group of organism?

Accepted Answer

Fungi

Question 5

Which of the following is classified as a fungus?

Accepted Answer

Mucor

Question 6

Which of the following correctly lists the levels of organization in living organisms from smallest to largest?

Accepted Answer

Organelle, cell, tissue, organ, system

Question 7

Which of the following is a reason why viruses are NOT classified as living organisms?

Accepted Answer

They cannot reproduce independently

Question 8

Which characteristic of living organisms is best described as the ability to maintain a stable internal environment?

Accepted Answer

Homeostasis

Question 9

A scientist discovers a unicellular organism that contains chloroplasts and a cellulose cell wall. To which group does this organism most likely belong?

Accepted Answer

Protoctists

Question 10

Which of the following statements about bacteria is TRUE?

Accepted Answer

Bacteria have a cell wall

Question 11

Which of the following is a characteristic shared by ALL living organisms?

Accepted Answer

Ability to control internal conditions

Question 12

A virus is structurally different from bacteria and fungi because it lacks which of the following?

Accepted Answer

Cell wall

Question 13

Which of the following is NOT a function of mitochondria in eukaryotic cells?

Accepted Answer

Synthesis of proteins

Question 14

A cell is observed to have a cell wall, mitochondria, and a nucleus. Which type of organism could this cell belong to?

Accepted Answer

Fungi

Question 15

Which of the following is a correct application of the formula $$	ext{magnification} = \frac{	ext{width of cell in diagram}}{	ext{actual width of cell}} if $$the diagram width is 120 mm and the actual cell width is 20 μm?

Accepted Answer

$$	imes 6000$$

Question 16

Which of the following is a major difference between animal and plant cells?

Accepted Answer

Plant cells have chloroplasts, animal cells do not

Question 17

Which of the following is NOT a characteristic of viruses?

Accepted Answer

Ability to reproduce independently

Question 18

Which of the following is a correct statement about protoctists?

Accepted Answer

Protoctists may have features similar to plants, animals, or fungi

Question 19

Which of the following is a function of the cell wall in plant cells?

Accepted Answer

Provides structural support

Question 20

Which of the following is a correct statement about fungi?

Accepted Answer

Fungi obtain nutrients by absorption

Characteristics and Organization of Living Organisms: Study Notes

Study Guide - Practice Questions

Study Guide - Flashcards