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

MCQ

CH1 - CELL STRUCTURE

Which of the cell organelles will be clearly visible under the high power (×400) of the light microscope? [Table_1]

2016 Summer

3

MCQ

CH1 - CELL STRUCTURE

The drawing from an electron micrograph shows a ciliated epithelial cell, magnified \times 1500, which is found in the trachea. Line X-Y shows the wid...

2016 Summer

2

MCQ

CH1 - CELL STRUCTURE

What are correct locations of ribosomes in the typical eukaryotic cell?1. free in the cytoplasm2. attached to the outside of the endoplasmic reticulum...

2016 Summer

4

MCQ

CH1 - CELL STRUCTURE

Visking tubing is an artificial partially permeable membrane used to demonstrate diffusion. Glucose molecules can pass through the pores in the membra...

2016 Summer

3

MCQ

CH1 - CELL STRUCTURE

What are found in both chloroplasts and typical prokaryotic cells?

2016 Summer

4

MCQ

CH2 - BIOLOGICAL MOLECULES

Two solutions, 1 and 2, one containing starch and sucrose, and the other containing glucose and protein, were tested with a variety of reagents to con...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

X and Y are two monomers found in biological polymers.[Image: Monomers X and Y]Which monomer is found in each of cellulose, glycogen, amylopectin and ...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Chitin is a polysaccharide consisting of long straight chains of the monosaccharide acetylglucosamine, linked by 1,4 glycosidic bonds.Acetylglucosamin...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Which statement about triglycerides is correct?

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagrams show the structures of two amino acids, one of which has two amine (–NH₂) groups and the other has two carboxylic (–COOH) groups. ...

2016 Summer

3