MCQ

CH2 - BIOLOGICAL MOLECULES

Which statement about triglycerides is correct?

2024 Spring

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Two solutions, 1 and 2, each contained a mix of two different biological molecules. One solution contained starch and sucrose, and the other contained...

2024 Winter

5

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagrams show parts of three pairs of amino acids within a protein. The pairs are labelled X, Y and Z. Which row shows the correct type of intera...

2024 Winter

5

MCQ

CH2 - BIOLOGICAL MOLECULES

Which row correctly identifies the weak and strong bonds in the tertiary and quaternary structure of a typical protein? [Table_1]

2024 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagram shows the structure of part of a peptidoglycan molecule. Which type of 1,4 linkage and how many peptide bonds are shown in this part of ...

2024 Spring

4

MCQ

CH2 - BIOLOGICAL MOLECULES

Which row correctly describes haemoglobin? [Table_1]

2024 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Which row is correct for the structures present in typical plant cells and typical animal cells?[Table_1]

2024 Summer

4

MCQ

CH2 - BIOLOGICAL MOLECULES

Which row is correct for cellulose? [Table_1: rotation of alternate monomers by 180° shape of molecule hydrogen bonds between molecules]

2024 Summer

5

MCQ

CH2 - BIOLOGICAL MOLECULES

What is the maximum number of hydrogen bonds that can form between a single water molecule and other water molecules?

2024 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Which statements about peptide bond formation are correct?1. The bond formation occurs between a carbon of one amino acid and a nitrogen of the next a...

2024 Summer

3

MCQ

CH1 - CELL STRUCTURE

Which organelles are enclosed in a single phospholipid bilayer and contain hydrolytic enzymes?

2017 Summer

3

MCQ

CH1 - CELL STRUCTURE

The DNA of prokaryotes is naked and circular.Which statement describes how the DNA of eukaryotes differs from that of prokaryotes?

2017 Summer

3

MCQ

CH1 - CELL STRUCTURE

The recently discovered Pandoravirus measures 1000 nm in diameter.The Mimivirus has a diameter of 400 nm.What can be detected using a light microscope...

2017 Summer

4

MCQ

CH1 - CELL STRUCTURE

What are found in chloroplasts and mitochondria?1. DNA2. 70S ribosomes3. mRNA

2017 Summer

3

MCQ

CH1 - CELL STRUCTURE

Boiling the bones and teeth from dead animals can be used to produce a type of glue. The glue is formed from the collagen fibres present in bones and ...

2017 Summer

3

MCQ

CH1 - CELL STRUCTURE

What describes the primary structure of a protein?

2017 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagrams show four monosaccharides with the formula $C_6H_{12}O_6$.Which diagram shows $\alpha$-glucose?

2017 Summer

2

MCQ

CH2 - BIOLOGICAL MOLECULES

Complete digestion of polysaccharides requires all the glycosidic bonds between the monomers to be broken.Amylase only breaks $\alpha$-1,4 glycosidic ...

2017 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagram shows the results of tests on four solutions containing biological molecules. Which shows the solution that contains only starch and prote...

2017 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

The enzyme invertase catalyses the breakdown of sucrose to glucose and fructose.Three different enzyme inhibitors of invertase X, Y and Z were investi...

2017 Summer

4