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Sec 4 Express Sci Bio TYS MCQ 2023 set B
Quiz by HAO YI
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Which row correctly states the properties of root hair cells and xylem vessels?
A
B
C
D
Which organelle is the site for photosynthesis?
Which row correctly states the properties of root hair cells and xylem vessels?
Which substance moves into or out of a muscle cell by osmosis?
What can be used to identify the presence of a protein?
The hepatic portal vein joins which two organs?
Which role of the liver is directly affected by secretions from the pancreas?
What is the correct equation for photosynthesis?
A student set up an experiment to investigate photosynthesis in an aquatic plant.
The student varied the carbon dioxide concentration by adding sodium hydrogencarbonate solution and measured the rate of photosynthesis by counting the bubbles given off per minute.
The distance between the lamp and test-tube remained the same.
Which graph would the student draw from the results?
Four identical plants, A, B, C and D, were kept in different environmental conditions. The table shows these conditions.
In which plant would the greatest water loss occur?
The diagram shows a human heart.
Which row describes the function of structures X, Y and Z?
Which artery delivers blood to the heart muscle?
In the human gas exchange system, from which structure does oxygen enter the bloodstream?
Which component of tobacco smoke can lead to an addiction to smoking?
Nerve impulses move from a receptor to an effector through neurones.
What is the pathway of this movement?
The list shows events in the pupil reflex when a person goes out of a dark room into bright sunlight.
1 circular iris muscles contract
2 increase in impulses in motor neurones
3 increase in impulses in sensory neurones
In which order do the above events occur?
Fertilisation and early development in humans is shown.
Which word describes Q?
The diagram shows a single strand of DNA.
What will the orders of bases be on the complementary strand, from top to bottom?
In some bags, brown coat colour is dominant to black.
If a heterozygous brown dog is crossed with a black dog, what is the ratio of colours expected in the puppies?
A food chain is shown.
What does X represent?
The diagram shows part of the carbon cycle.
Which stage releases oxygen gas into the atmosphere?
