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

What are the appropriate units for measuring diameters of alveoli, diameters of white blood cells and the width of cell walls?[Table_1]

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

The diagram shows a high-power drawing of a bacterium. Which three components are found in both this bacterium and an animal cell?

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

The diagram shows a stage micrometer scale on which the small divisions are 0.1 mm. It is viewed through an eyepiece containing a graticule. The st...

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

Which structures are found in typical eukaryotic cells?1. 70S ribosomes2. 80S ribosomes3. linear DNA (chromosomes)4. circular DNA

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

What is the function of the nucleolus?

2015 Summer

1

MCQ

CH1 - CELL STRUCTURE

The electronmicrograph shows a cell. What is the actual diameter of the nucleus?

2015 Summer

1

MCQ

CH2 - BIOLOGICAL MOLECULES

A student carried out four tests for biological molecules on a solution. The observations are shown in the table.[Table_1]Which molecules may be prese...

2015 Summer

1

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagrams show different types of bond found in biological molecules.Which combination of bonds could not be found in a protein with a tertiary str...

2015 Summer

1

MCQ

CH2 - BIOLOGICAL MOLECULES

Which row shows the correct match between the descriptions of biological molecules and where they are found?1 a linear polymer of 1,4 linked β-glucos...

2015 Summer

2

MCQ

CH2 - BIOLOGICAL MOLECULES

Which is the correct description for the structure of amylose and cellulose? [Table_1]

2015 Summer

1