Class 12 Chemistry · Chapter 11 · Test 1
Carbohydrates
46 MCQs
46 questions · 35 min · 46 marks
Want to try first? Take the free Chemistry test: Group 2 Trends
Sample questions
The first 5 of 46. Try each one, then tap to see the answer.
Question 1
Biochemistry is the branch of science that deals with:
- AThe chemical substances found in living organisms and the reactions they undergo
- BOnly inorganic compounds
- COnly the structure of atoms
- DOnly the properties of gases
Show answerHide answer
Answer: A
Biological compounds contain the same functional groups as simple organic compounds.
Question 2
Chemically carbohydrates are:
- APolyhalogen alkanes
- BPolyhydroxy aldehydes or ketones or their derived compounds
- CEsters of fatty acids
- DPolymers of amino acids
Show answerHide answer
Answer: B
They are hydrates of carbon with many -OH groups and a carbonyl group.
Question 3
Carbohydrates act as major sources of:
- AGenetic information
- BHormones
- CEnergy
- DEnzymes
Show answerHide answer
Answer: C
Carbohydrates are the major source of energy in our diet.
Question 4
The simplest carbohydrates which cannot be hydrolysed further are:
- ADisaccharides
- BPolysaccharides
- COligosaccharides
- DMonosaccharides
Show answerHide answer
Answer: D
Monosaccharides are the simple sugars.
Question 5
The general formula of monosaccharides is:
- ACn(H2O)n where n ranges from three to seven
- BCn(H2O)n-1 where n is 12
- CCnH2n+2
- DCnH2nO2
Show answerHide answer
Answer: A
The number of carbon atoms in a monosaccharide ranges from three to seven.
More tests in BIOCHEMISTRY
Practise with a free account
Save your scores, see which chapters need work, and keep a notebook of every question you got wrong.