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Biomolecules — Practice Quiz

ICSE · Class 12 · Chemistry

Try a 4-question quiz on Biomolecules for ICSE Class 12 Chemistry: tap an answer to check it and see why. 104 questions in the full chapter test.

104 questions42 flashcards16 formulas & key relations5 concepts

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Quick Quiz: Biomolecules

0/4

Tap an answer to check it instantly. No sign-up needed for these 4.

1

Which of the following is a monosaccharide?

2

The molecular formula of glucose is:

3

Sucrose is a:

4

Which vitamin deficiency causes scurvy?

104 Questions·
multiple choicetrue false

Sample Questions

1multiple choice

DNA contains which of the following sugar?

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Deoxyribose

DNA contains deoxyribose (2-deoxyribose) as the pentose sugar. RNA contains ribose.

2multiple choice

The bond between amino acids in a protein is called:

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Peptide bond

Peptide bond (-CO-NH-) links amino acids. Glycosidic bonds link sugars; phosphodiester links nucleotides in DNA/RNA.

3multiple choice

Starch turns which colour with iodine solution?

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Blue-black

Starch gives a characteristic blue-black colour with iodine. Glycogen gives red-brown. This is a diagnostic test for starch.

4multiple choice

Which vitamin deficiency causes rickets in children?

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Vitamin D

Vitamin D (calciferol) deficiency causes rickets in children (soft and deformed bones) and osteomalacia in adults.

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Frequently Asked Questions

What are the important topics in Biomolecules for ICSE Class 12 Chemistry?
Key topics in Biomolecules include Biomolecules and Carbohydrates, Important Monosaccharides: Glucose and Fructose, Disaccharides: Sucrose, Maltose, and Lactose, Polysaccharides: Starch, Cellulose, and Glycogen. Study these first, then practise questions on each for the ICSE Class 12 board exam.
How many practice questions are there for Biomolecules?
There are 104 questions on Biomolecules. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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