12 MCQ Worksheets on Chemistry of Carbon – [MCQ] | Multiple Choice Questions from the [Carbon] chapter – Chemistry

Last updated on June 12th, 2021 at 03:00 pm

Carbon & Living Things – MCQ Worksheet (with answer) – set 3

1. Which of the following is one of the four main classes of biochemical compounds?
   a. sugars
   b. starches
   c. cellulose
   d. carbohydrates
2. All biochemical compounds include carbon, hydrogen, and
   a. sulfur.
   b. oxygen.
   c. nitrogen.
   d. phosphorus.
3. Organisms use carbohydrates mainly for
   a. energy.
   b. cell membranes.
   c. hormones.
   d. antibodies.
4. The function of a given protein depends on its
   a. overall shape.
   b. sequence of amino acids.
   c. number of amino acid chains.
   d. all of the above
5. Which statement about saturated fatty acids is true?
   a. They have only single bonds between carbon atoms.
   b. They are used by plants to store energy.
   c. They make up lipids known as oils.
   d. They are always in the liquid state.
6. Nitrogen bases found in both DNA and RNA include
   a. glycine.
   b. adenine.
   c. thymine.
   d. uracil.
7. Which of the following is a function of RNA?
   a. fighting infections
   b. reading the genetic code
   c. carrying substances in the blood
   d. all of the above

Answers to MCQ Worksheet

Multiple Choice – answers

1. d
2. b
3. a
4. d
5. a
6. b
7. b

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