MCQ

CH10 - INFECTIOUS DISEASE

Which disease does \textit{Mycobacterium bovis} cause?

2024 Summer

3

MCQ

CH10 - INFECTIOUS DISEASE

A scientist investigated the effect of an antibiotic on the treatment of cholera.320 people with cholera were divided into two groups. One group was t...

2024 Summer

3

MCQ

CH10 - INFECTIOUS DISEASE

Which structures or compounds are present in a typical cell that can be killed by penicillin?1. circular DNA2. cytoplasmic DNA3. 70S ribosomes4. pepti...

2024 Winter

2

MCQ

CH10 - INFECTIOUS DISEASE

Antibiotic-resistant strains of \textit{Mycobacterium tuberculosis} are a major problem when treating TB. A new antibiotic, teixobactin, could be very...

2024 Spring

4

MCQ

CH10 - INFECTIOUS DISEASE

Three statements about cholera and its transmission are listed. 1 The pathogen causes watery faeces. 2 Frequent air flight has led to mobile populatio...

2024 Winter

2

Theory

CH10 - INFECTIOUS DISEASE

The Zika virus is a pathogen that can infect human cells. (a) Fig. 1.1 is a drawing of the structure of a Zika virus. (i) In Fig. 1.1, structure A ...

2024 Summer

2

Theory

CH10 - INFECTIOUS DISEASE

People who become infected with human immunodeficiency virus (HIV) are at risk of developing HIV/AIDs, particularly if antiretroviral therapy (ART) is...

2024 Winter

3

Theory

CH10 - INFECTIOUS DISEASE

(a) Fig. 3.1 is a photomicrograph of a transverse section through a region of the wall of the bronchus in the gas exchange system. [Image_1: Fig. 3.1...

2024 Winter

4

Theory

CH10 - INFECTIOUS DISEASE

(a) A class of students was studying the features of some human pathogens. One of the students constructed a flow chart to identify four different hum...

2024 Summer

3

Theory

CH10 - INFECTIOUS DISEASE

Malaria is an infectious disease caused by the protocist, Plasmodium.As part of its lifecycle, Plasmodium infects human red blood cells. Researchers c...

2024 Winter

2

Theory

CH1 - CELL STRUCTURE

(a) (i) Name the cells labelled A and the structure labelled B.A ........................................................................................

2013 Summer

2

Theory

CH10 - INFECTIOUS DISEASE

(a) Explain how the virus that causes measles is transmitted.............................................................................................

2013 Summer

2

Theory

CH7 - TRANSPORT IN PLANTS

(a) Transpiration is often described as an 'inevitable consequence of gas exchange in plants'.Explain what is meant by this statement....................

2013 Summer

1

Theory

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

Fig. 4.1 shows the two base pairs in a DNA molecule.(a) Name the bases labelled J and K and the bond labelled L.J .......................................

2013 Summer

1

Theory

CH4 - CELL MEMBRANES AND TRANSPORT

Fig. 5.1 shows a section of a cell surface membrane.(a) State the functions of structures P, Q and R.P ..................................................

2013 Summer

2

Theory

CH5 - THE MITOTIC CELL CYCLE

(a) Explain how uncontrolled cell division can result in cancer. ........................................................................................

2013 Summer

2

Theory

CH5 - THE MITOTIC CELL CYCLE

(a) The cells in Fig. 1.1 are from the same organism and look the same. The cells in Fig. 1.1(a) have been produced by mitosis and the cells in Fig. 1...

2013 Summer

2

Theory

CH7 - TRANSPORT IN PLANTS

Fig. 2.1 shows xylem tissue in a longitudinal section through the stem of a dicotyledonous plant. [Image_1: Fig. 2.1] (a) Describe and explain how the...

2013 Summer

2

Theory

CH10 - INFECTIOUS DISEASE

(a) Explain why tuberculosis (TB) is known as an infectious disease......................................................................................

2013 Summer

3

Theory

CH2 - BIOLOGICAL MOLECULES

Polysaccharides are synthesised by condensation reactions between monosaccharide or disaccharide subunits (monomers).(a) Name the type of bond formed ...

2013 Summer

3