Sec 4 NA Sci Bio TYS MCQ 2017 Set B
Quiz by HAO YI
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- Q1
The diagram shows a plant cell.
Which part of the cell is also found in a typical animal cell?
A
B
C
D
60s - Q2
Which statement about xylem vessels is correct?
They are hollow tubes which allow easy movement of foods.
Water carrying ions passes through the vessels by osmosis.
The xylem vessels are only found in leaves.
Their woody walls hold the vessels open for movement of water.
60s - Q3
Which row shows the processes by which carbon dioxide and oxygen move across the alveoli walls?
A
B
C
D
60s - Q4
What are the basic units of a protein molecule?
fatty acids
amino acids
simple sugars
mineral salts
60s - Q5
The graph shows the effect of temperature on the activity of an enzyme.
The enzyme activity
is the same at 26 oC and 60 oC.
stops at 44 oC.
is greatest at 66 oC.
is slowest at 10 oC.
60s - Q6
Large molecules in food are broken down into smaller molecules in the alimentary canal.
What is the name of this process?
digestion
ingestion
assimilation
absorption
60s - Q7
Complete the sentence. A function of the hepatic portal vein is to transport blood rich in
amino acids from the intestine to the liver.
glucose from the liver to the intestine.
urea from the intestine to the liver.
oxygen from the liver to the intestine.
60s - Q8
The diagram shows a section through a leaf.
During photosynthesis, where does the greatest conversion of light energy to chemical energy take place?
A
B
C
D
60s - Q9
Structure H produces a substance to neutralise acids and structure J produces an enzyme to digest fats.
Which row correctly identifies structure H and J?
A
B
C
D
60s - Q10
Cobalt chloride paper is blue when dry and turns pink when wet.
Blue cobalt chloride paper is fastened to the upper and lower surfaces of a leaf on plant X and the upper and lower surfaces of a leaf on plant Y.
The bar chart shows the time taken for the cobalt chloride paper to turn pink.
Through which leaf surface was water lost most quickly?
plant X, lower surface
plant Y, lower surface
plant Y, upper surface
plant X, upper surface
60s - Q11
Plants make carbohydrates by photosynthesis in the leaves.
Through which structure do carbohydrates move out of the leaves?
stomata
vascular bundles
mesophyll
chloroplasts
60s - Q12
When blood enters the heart, where does it enter and is the valve between the atrium and the ventricle open or closed?
A
B
C
D
60s - Q13
Blood flows from the kidney and returns via the heart and lungs to the kidney.
Each arrow represents an artery or a vein.
What is the correct sequence?
A
B
C
D
60s - Q14
The diagram shows two types of blood vessel, X and Y.
What do X and Y represent?
A
B
C
D
60s - Q15
The chart shows the number of units of carbon monoxide in the blood of three people who smoke different numbers of cigarettes per day.
Which statement is correct based on the information in the chart?
The person smoking 20 cigarettes per day has 40 units of carbon dioxide in their blood.
The person who does not smoke has no carbon monoxide in their blood.
The person smoking 40 cigarettes per day increases his level of carbon monoxide by about 34 units.
If you smoke, all the carbon monoxide comes from your cigarettes.
60s
