MCQ

CH8 - TRANSPORT IN MAMMALS

The following tissues carry an electrical impulse during the cardiac cycle.1. atrioventricular node2. muscle wall of atria3. Purkyne tissue4. sinoatri...

2024 Summer

2

MCQ

CH8 - TRANSPORT IN MAMMALS

The diagram shows the internal structure of the mammalian heart. Which letter identifies the location of the atrioventricular node?

2024 Summer

2

MCQ

CH8 - TRANSPORT IN MAMMALS

The graph shows changes in the volume of the ventricles during a single cardiac cycle.Which row is correct for the atrioventricular valve at P and for...

2024 Summer

2

MCQ

CH8 - TRANSPORT IN MAMMALS

The diagram shows pressure changes in the left side of the heart during the cardiac cycle. What happens in the heart at X?

2024 Summer

2

MCQ

CH8 - TRANSPORT IN MAMMALS

The graph shows how changes in oxygen concentration affect the percentage oxygen saturation of human haemoglobin and cat haemoglobin under normal phys...

2024 Summer

4

MCQ

CH8 - TRANSPORT IN MAMMALS

Which statement is correct about how oxygen combines with haemoglobin?

2024 Summer

6

MCQ

CH8 - TRANSPORT IN MAMMALS

Which components of blood are present in tissue fluid? [Table_1]

2024 Summer

3

MCQ

CH8 - TRANSPORT IN MAMMALS

Some babies are born with a hole between the right and left atria. These babies are found to have an increased number of red blood cells.What is the r...

2024 Winter

4

MCQ

CH8 - TRANSPORT IN MAMMALS

An increase in carbon dioxide in human blood shifts the oxyhaemoglobin dissociation curve to the right.What is the explanation for this effect?

2024 Winter

2

MCQ

CH8 - TRANSPORT IN MAMMALS

One type of congenital heart defect is where the left and right atria are not completely separated. This is called an atrial septal defect (ASD). ASD ...

2024 Spring

4

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