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

A cell organelle measures $4 \times 10^{-1}$ mm in diameter.What is the diameter in $\mu$m?

2011 Summer

2

MCQ

CH1 - CELL STRUCTURE

In the following table, which is the correct comparison between light and electron microscopes? [Table_1: light microscope and electron microscope co...

2011 Summer

3

MCQ

CH1 - CELL STRUCTURE

Which structures are present in a typical plant cell? [Table_1]

2011 Summer

3

MCQ

CH1 - CELL STRUCTURE

Plant cells are stained and then viewed through a light microscope.Which structures would be clearly visible at a magnification of ×400?

2011 Summer

2

MCQ

CH1 - CELL STRUCTURE

Which type of cell will contain the highest proportion of single membrane-bound structures?

2011 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Four different fruit juices, A, B, C and D, were tested with Benedict's solution. A second sample of each juice was hydrolysed and tested with Benedic...

2011 Summer

1

MCQ

CH2 - BIOLOGICAL MOLECULES

Which molecular bonds will be broken by hydrolysis when a molecule of glycogen is converted to glucose? [Table_1]

2011 Summer

2

MCQ

CH2 - BIOLOGICAL MOLECULES

Which set of statements correctly describes haemoglobin?

2011 Summer

2

MCQ

CH2 - BIOLOGICAL MOLECULES

Some foods contain 'hydrogenated vegetable oils'. These are unsaturated fats that have been converted to saturated fats.Which property of the fats wil...

2011 Summer

2

MCQ

CH2 - BIOLOGICAL MOLECULES

Which rows show the chemical groups present in the biological molecules listed?[Table_1]

2011 Summer

2