I. MULTIPLE CHOICE Circle the best answer (A, B, C or D) 1. The diagram shows a motor (effector) neurone. Which structure is also found in white blood cells, but not in red blood cells? 2. Osmosis is defined as the diffusion of water molecules A. down their concentration gradient through a partially permeable membrane. B. down their concentration gradient through a permeable membrane. C. up their concentration gradient through a partially permeable membrane. D. up their concentration gradient through a permeable membrane. 3. The diagram shows part of a section through a leaf. Which arrow shows the direction of movement of water by osmosis in a leaf? 4. Some plants digest insects and use the nutrients for growth. What must these plants produce to digest the insects? A. acids B. alkalis C. enzymes D. hormones Page 1 of 20
Transcript
I. MULTIPLE CHOICECircle the best answer (A, B, C or D)
1. The diagram shows a motor (effector) neurone.Which structure is also found in white blood cells, but not in red blood cells?
2. Osmosis is defined as the diffusion of water moleculesA. down their concentration gradient through a partially permeable membrane.B. down their concentration gradient through a permeable membrane.C. up their concentration gradient through a partially permeable membrane.D. up their concentration gradient through a permeable membrane.
3. The diagram shows part of a section through a leaf.Which arrow shows the direction of movement of water by osmosis in a leaf?
4. Some plants digest insects and use the nutrients for growth.What must these plants produce to digest the insects?A. acidsB. alkalis
C. enzymesD. hormones
5. Which chemical reaction takes place in the stomach?A. Proteins are digested by protease.B. Proteins are digested into fatty acids.C. Starch is digested into amino acids.D. Starch is digested by lipase.
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6. Nutrients are made up of smaller basic units. Nutrients can be identified by food tests.Which nutrient is a protein?
7. When solution X is tested with iodine solution, a blue-black colour is observed.A different solution, Y, is added to a new sample of solution X and the mixture is shaken and left for 30 minutes at 40 °C. When tested with iodine solution, an orange-brown colour is observed.What are solutions X and Y?
8. A child decided to eat only meat, oily fish, cheese and bread, and drink only water.Which nutrient would be in low levels in this diet?A. calciumB. iron
C. vitamin CD. vitamin D
9. Which structures are adapted for supporting a plant?
A. phloem tissuesB. root hair cells
C. stomataD. xylem vessels
10. Which two substances are transported in the phloem?
A. amino acids and proteinB. amino acids and sucrose
C. protein and starchD. starch and sucrose
11. What could increase the rate of water uptake by a shoot?A. covering the shoot with a black plastic bagB. covering the shoot with a clear plastic bag
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C. removing the leaves from the shootD. shining a bright light onto the shoot
12. The diagram shows how water is lost from a leaf.
By which process is the water lost?A. osmosisB. photosynthesis
C. translocationD. transpiration
13. The diagram shows a shoot growing from a potato tuber.
What is being transported in the phloem cells at X?A. starch downwardsB. starch upwards
C. sugars downwardsD. sugars upwards
14. Which process in green plants produces carbon dioxide?A. photosynthesisB. respiration
C. translocationD. transpiration
15. Which statement about respiration is not correct?A. All living cells respire.B. Heat is always produced.C. Plants respire in the light and in the dark.D. Plants take in carbon dioxide and give out oxygen.
16. Which function is carried out by the ciliated cells in the respiratory tract?A. filtering dirt from passing airB. making mucusC. moving carbon dioxide out of the lungs
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D. moving mucus to the throat
17. Which diagram shows the human double circulatory system?
18. The diagram shows the circulatory system of a mammal
What describes the blood in vessels R and S?
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19. From which organ is most carbon dioxide excreted?A. kidneyB. liver
C. lungD. skin
20. The table shows some of the features of respiration.Which row is correct for anaerobic respiration?
21. What is produced by anaerobic respiration in a muscle?
22. How are aerobic and anaerobic respiration similar?A. Both involve breaking down glucose.B. Both need a low concentration of oxygen.C. In muscles, both produce carbon dioxide.D. In yeast, both produce alcohol.
23. The diagram shows a cell.
What type of cell is shown?A. ciliated cellB. motor neurone
C. relay neuroneD. sensory neurone
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24. The diagram shows the structures involved in a reflex action.
What shows the sequence in which these structures become involved?A. P → Q → R → SB. P → S → R → Q
C. Q → R → S → PD. Q → S → P → R
25. The diagram shows some of the muscles and bones of the human arm.
When muscle X contracts, what happens to the arm and what happens to muscle Y?
26. A person moves from sunlight into a dark room.How do their eyes respond?A. The blind spots become larger.B. The blind spots become smaller.C. The pupils become larger.D. The pupils become smaller.
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27. The diagram shows a section through the human eye.Which labelled part prevents the internal reflection of light in the eye?
28. The diagram shows a section through part of the human eye.
When a person looks at an object which is close to their eye, which of the following takes place?
29. A man injures his arm in an accident. Afterwards, he can feel objects touching his hand, but he cannot move his hand away from them.What could cause this?A. Receptors in his hand are damaged.B. The nerve connection is cut only between the receptors in his hand and his central
nervous system.C. The nerve connection is cut only between his central nervous system and the
effectors in hisarm.
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D. Both of these nerve connections are cut.
30. The graph shows the rates of sweat production and urine production at different environmental temperatures.
Which statement is correct?A. As the temperature increases, the rate of sweat production decreases.B. At 22 °C the rates of sweat and urine production are the same.C. Urine and sweat production are directly proportional to environmental
temperature.D. When the urine production decreases, the sweat production decreases.
II. STRUCTURE QUESTION
1. The lymphatic tissue is full of phagocytes and lymphocytes.
Describe how phagocytes and lymphocytes protect the body against the spread of
(iii) Compare the blood vessels shown in Fig. 1.1 to explain how you reached your identification for (a)(ii). [2]_____________________________________________________________________
(b) A 5 mm length of a blood vessel of the same type as X was used to investigate how far it could be stretched using a number of 10 g weights.The apparatus used is shown in Fig. 1.2.
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3. The ribcage and diaphragm are involved in the breathing mechanism to ventilate the lungs.
Fig. 2.1 is a flow chart that shows the changes that take place when breathing in.
Fig. 2.1
(a) Complete Fig. 3.1 by writing appropriate words in the spaces provided. [6]
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4. Fig. 3.1 shows a section through the eye of a small mammal as viewed with a microscope.
Fig. 3.1
(a) Name the structures labelled X, Y and Z.
X ..................................................................................................................................
Z ..............................................................................................................................[3]
(b) A student looks at a clock at the far end of an examination room and then looks at a diagram on her examination paper.Describe the changes that take place in her eyes so that she can focus on the diagram.
