Sec 4 Pure Biology TYS MCQ 2015 Set B
Quiz by HAO YI
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
- Q 1/40Score 0
The table shows comparisons between a red blood cell and a root hair cell.
Which comparisons are correct?
293 and 4 only
1 and 2 only
1, 3 and 4
1, 2 and 3
- Q1
The table shows comparisons between a red blood cell and a root hair cell.
Which comparisons are correct?
3 and 4 only
1 and 2 only
1, 3 and 4
1, 2 and 3
60s - Q2
The diagram shows a cell as it appears in an electron micrograph.
In which part of a living cell is the oxygen concentration lowest?
A
B
C
D
60s - Q3
The diagram show four identical plant cells.
The number of dots represent the concentration of a chemical and the arrows show the directions in which the chemical is moving.
Which diagrams represent the cells carrying out active transport?
2 and 3
1 and 2
1 and 4
3 and 4
60s - Q4
Which conversion does not take place in the body of a human?
glycogen into glucose
amino acids into polypeptides
glucose into starch
glycerol and fatty acids into fats
60s - Q5
Which statements are correct for all enzymes?
1 Enzymes have an optimum pH.
2 Each enzyme can catalyse a number of different reactions.
3 Enzymes lower the activation energy needed for a reaction.
4 Enzymes catalyse only reactions that break down complex substances.
5 The shape of the active site is permanently altered by excessive heat.
6 Enzymes work fastest at 35 oC.
4, 5 and 6
2, 4 and 6
1, 2 and 3
1, 3 and 5
60s - Q6
The graph shows the results of an experiment on enzyme activity.
Which label for the x-axis is correct?
temperature
concentration of enzyme-substrate complex
time
pH
60s - Q7
The diagram shows some partially digested food moving along the ileum.
Which row is correct for muscle Y at region W?
A
B
C
D
60s - Q8
The diagram shows part of the alimentary canal.
What does not happen at region Z?
Polypeptides are digested.
Enzymes are added from the liver.
Fat is emulsified.
Acid is neutralised.
60s - Q9
The diagram shows part of a transverse section of a leaf.
Which cells contain chloroplasts?
1 and 2 only
2 only
2, 3 and 4 only
3 and 4 only
60s - Q10
The graph shows the effect of various factors on the rate of photosynthesis.
Which factor is the limiting factor at X?
temperature
water
light intensity
carbon dioxide concentration
60s - Q11
Diagram 1 shows some components of a plant stem in longitudinal section.
Diagram 2 shows a photomicrograph of part of a plant stem in transverse section.
Which part of diagram 2 contains the components shown in diagram 1?
A
B
C
D
60s - Q12
What is a result of the action of stomata?
A
B
C
D
60s - Q13
Transpiration enables water to reach the top of trees.
Which of these statements correctly describes part of this process?
1 Water evaporates into the air spaces between the palisade cells.
2 Water molecules are pulled upwards in the xylem.
3 Water molecules are pulled upwards in the phloem.
4 Water vapour diffuses through the spongy mesophyll cells.
1 and 2
3 and 4
2 only
2 and 3
60s - Q14
The diagram shows red blood cells in a capillary near the wall of an alveolus.
Which process explains how oxygen passes from the plasma into the red blood cells?
diffusion of dissolved oxygen from the plasma into the red blood cells
active transport of oxygen by the red blood cells
high blood pressure forcing the oxygen into the red blood cells
diffusion of microscopic bubbles of oxygen from the plasma into the red blood cells
60s - Q15
The diagram represents part of the human circulatory system, with some blood vessels identified by letters.
The table shows comparisons of the carbon dioxide concentration in the identified blood vessels.
Which comparisons of carbon dioxide concentration are correct?
1, 3 and 4 only
2 and 3 only
1, 2, 3 and 4
1 and 4 only
60s
