AICE Bio: Multiple Choice Review

Which cell organelles are clearly visible when viewed with a light microscope at high power (×400)?

• ribosomes ✓, endoplasmic reticulum ✓, centrioles ✗, chloroplasts ✗

• ribosomes ✓, endoplasmic reticulum ✗, centrioles ✓, chloroplasts ✗

• ribosomes ✗, endoplasmic reticulum ✓, centrioles ✓, chloroplasts ✓

• ribosomes ✗, endoplasmic reticulum ✗, centrioles ✗, chloroplasts ✓

Microvilli and root hairs are characteristic structures of some cell types. Which row identifies some features of a microvillus and a root hair?

• surrounded by cell wall: root hair, more than one present on a cell: microvillus

• surrounded by cell wall: microvillus, more than one present on a cell: microvillus

• surrounded by cell wall: root hair, more than one present on a cell: root hair

• surrounded by cell wall: microvillus, more than one present on a cell: root hair

The photomicrograph is of a plant cell. The cell is 25 μm in width from X to Y. What is the magnification of the photomicrograph?

• 2.0 × 10¹

• 2.0 × 10²

• 2.0 × 10³

• 2.0 × 10⁴

Which eukaryotic cell structures all contain nucleic acids?

• cytoplasm, Golgi bodies, mitochondria, nuclei

• centrioles, chloroplasts, mitochondria, ribosomes

• centrioles, mitochondria, nuclei, ribosomes

• chloroplasts, mitochondria, cytoplasm, ribosomes

A student used Benedict’s solution to test a sample known to contain carbohydrate. At the end of the test the solution was blue. Which carbohydrate could be present in the sample?

• glucose

• fructose

• maltose

• sucrose

Which sugar molecules could be represented by the linear structure in the diagram?

• 1 and 2

• 1 and 3

• 2 and 3

• 3 only

Which row matches each molecule to a type of bond that is present?

• A amylase | haemoglobin | catalase

• B glycerol | glycogen | collagen

• C lipid | amylopectin | amylose

• D phospholipid | cellulose | antibody

Which row shows features of a carbohydrate polymer found inside animal cells?

• A | | branched

• B | | helical

• C | | branched

• D | | helical

The statements describe the structure of a polysaccharide found in the cell walls of certain plants. 1. The polysaccharide is composed of two different monosaccharides. 2. The monosaccharides are joined by 1,4 glycosidic bonds. 3. The polysaccharide contains pentose sugars. Which statements are also true for cellulose?

• 1 and 2

• 1 and 3

• 2 and 3

• 2 only

The general formula for a saturated fatty acid is CnH2nO2. Which of these fatty acids are unsaturated?

• 1, 2 and 3

• 1, 2 and 4

• 1, 3 and 4

• 2, 3 and 4