Welcome to your Grade 10 Biology chapter 3
After carefully reading the following 30 questions, choose the correct answer.
1.
Which of the following is an example of an inorganic molecule?
2.
What is the monomer unit of a protein?
3.
Organic molecules are compounds that primarily contain which element?
4.
Which organic molecule provides more energy than the same amount of carbohydrates?
5.
Small, single molecular units that connect to form polymers are called:
6.
Which element is found in proteins but not usually in carbohydrates or lipids?
7.
Lipids are insoluble in water but soluble in:
8.
The amount of iodine ions required for normal human function is:
9.
Which molecule serves as a thermal insulator in animals?
10.
Hemoglobin is an example of what type of protein?
11.
Which bond connects monomers to create polymers?
12.
Collagen is an example of what type of protein?
13.
Which of the following is a function of lipids in plants?
14.
Proteins are biological molecules made up of:
16.
Which of these is a major function of carbohydrates?
17.
Hydrogen ions, sodium ions, and calcium ions are categorized as:
18.
What type of bond is found in proteins between amino acids?
19.
Which mineral is required for the production of thyroid hormones?
20.
Polysaccharides are formed by the polymerization of:
21.
Glycogen and starch are examples of:
22.
Which organic molecule acts as an enzyme to speed up biochemical processes?
23.
Inorganic ions contribute to the cell by:
24.
Which of these is a nucleic acid?
25.
Monomers are connected to create polymers by which process?
26.
Lipids are composed of which two types of subunits?
27.
Which of the following is a property of water?
28.
Proteins that form muscles and vital fluids are called:
29.
What is the main function of monosaccharides like glucose?
30.
Which organic molecule contains phosphorus and sulphur in some cases?
