Chapter 2 Quiz 1

Complete the following diagram about the chemical substances found in organisms.

Which of the following are (a)?

• minerals

• elements

• trace elements

• organic substances

Complete the following diagram about the chemical substances found in organisms.

Which of the following is/are (b)?

• minerals

• carbon

• carbohydrates

• organic substances

Complete the following diagram about the chemical substances found in organisms.

Which of the following is/are (c)?

• hydrogen

• minerals

• trace elements

• nucleic acids

Complete the following diagram about the chemical substances found in organisms.

Which of the following are (d)?

• carbohydrates

• proteins

• minerals

• nucleic acids

Which of the following physiological processes shows that water is a cooling agent?

• sweating

• hydrolysis of food molecules

• absorption of minerals by roots

Which of the following physiological processes shows that water is a transport medium?

• sweating

• hydrolysis of food molecules

• absorption of minerals by roots

Which of the following physiological processes shows that water is a reactant?

• sweating

• hydrolysis of food molecules

• absorption of minerals by roots

Most minerals are found in the form of ______________ in body cells or body fluids.

• atoms

• molecules

• compounds

• inorganic ions

______________ is needed for muscle contraction and blood clotting.

• Iron

• Calcium

• Nitrate

• Magnesium

______________ is involved in the formation of haemoglobin of red blood cells.

• Iron

• Calcium

• Nitrate

• Magnesium