Have an account?
Skip to Content
Build your own quiz
Suggestions for you
16 questions
Show Answers
See Preview
- 1. Multiple Choice
Organic compounds are compounds that contain ...
Nitrogen
Hydrogen
Sulphur
Carbon
- 2. Multiple Choice
In a carbohydrate, the ratio of carbon (C) to hydrogen (H) to oxygen (O) atoms is:
3:1:1
1:2:1
1:3:1
2:1:1
- 3. Multiple Choice
Which of the following is not a monosaccharide?
Fructose
Lactose
Galactose
Glucose
- 4. Multiple Choice
Sucrose is a _____ sugar.
non-reducing
reducing
- 5. Multiple Choice
What is the composition of a basic unit of fat?
One molecule of glycerol and three molecules of fatty acid
One molecule of fatty acid and three molecules of glyerol
One molecule of glycerol and one molecule of fatty acid
Three molecules of fatty acid and three molecules of glycerol
- 6. Multiple Choice
Both butter and olive oil are made up of fats. In room temperature, butter exists as a solid while olive oil is a liquid. Why?
Butter is a nonpolar molecule and olive oil is a polar molecule.
Butter is an unsaturated fat and olive oil is a saturated fat.
Butter is a saturated fat and olive oil is an unsaturated fat.
Butter is a polar molecule and olive oil is a nonpolar molecule.
- 7. Multiple Choice
Question 8 out of 10:
The repeating units in both DNA and RNA are known as ____
hydrogen bonds
nucleotides
amino acids
nucleic acids
- 8. Multiple Choice
Which of the following nucleotide base exist in RNA but not in DNA?
Uracil (U)
Cytosine (C)
Thymine (T)
Adenine (A)
- 9. Multiple Choice
The double helix structure of DNA allows it to ___
look better
move around cells
stores genetic material in all viruses
serve as a template for its own replication
- 10. Multiple Choice
Which of the following substances acts as a medium for biochemical reaction in a cell?
Glucose
Amino Acid
Water
Lipid
- 11. Multiple Choice
Which of the following carbohydrate has a structure as shown in diagram?
Galactose
Glycogen
Starch
Cellulose
- 12. Multiple Choice
What is represented by Y?
Reduction
Hydrolysis
Condensation
- 13. Multiple Choice
A solution X is heated gently with Benedict's reagent in a water bath. A brick red precipitate is produced by the mixture. Which of the following could X be?
Glucose
Water
Oil
Sucrose
- 14. Multiple Choice
What happen when hydrogen is reacted with vegetable oil?
Hydrogenated oil will be converted into saturated fat
Hydrogenated oil will have fewer trans fats
Hydrogenated oil will become solid at room temperature
Hydrogenated oil will become polarised
- 15. Multiple Choice
Which of the following are functions of protein molecules?
I. Repair damaged tissues
II. Synthesise enzymes, hormones and antibodies
III. Stores genetic information
IV. Transport substances throughout the body
I, III
I, II, IV
I, II
All of the above
- 16. Multiple Choice
A scientist found a sample double-stranded DNA where 20% of the nitrogenous bases are Adenine (A).
What is the percentage of Guanine (G)?
30%
40%
70%
20%
- Answer choicesTagsAnswer choicesTags