No questions found
Which characteristic do all living organisms show?
538
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595
The diagram shows some animal cells, as seen under the microscope.
What will be present at X?
551
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590
The diagram shows an animal.
Use the key to identify the animal in the diagram.
1. has six jointed legs ......................................... go to 2
has eight jointed legs ........................................ go to 3
2. has antennae longer than its body .................. B Gryllus
has antennae shorter than its body ................. C Musca
3. has stripes on its legs .................................... A Araneus
has no stripes on its legs .................................. D Pisaurina
551
550
588
The diagram shows a section through a root.
What are the levels of organisation of the labelled structures?
576
543
592
Which characteristics are correct for both osmosis and diffusion?
[Table_1]
559
575
569
What is the correct test for protein?
[Table_1]
560
578
592
The diagram represents an enzyme-controlled reaction. What represents the enzyme?
545
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503
Four test-tubes are set up as shown. Which test-tube contains the most carbon dioxide after one hour?
589
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576
The diagrams show the structure of four different cells from the leaf of a dicotyledonous plant.
Which cell is a guard cell?
534
500
528
Which mineral ion is absorbed by plant roots and used in the production of all amino acids?
575
599
588
What is the pathway taken by water as it travels through a plant?
581
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563
Which is the main source of fibre in a human diet?
596
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525
The diagram shows a person's teeth. Some of their teeth are missing.
What would the person find difficult?
561
520
569
What are functions of the hydrochloric acid in gastric juice? [Table_1]
528
516
558
The diagrams show transverse sections through a root and a leaf. Which correctly identifies the phloem?
580
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534
A piece of blue cobalt(II) chloride paper is clipped to the lower surface of a fresh leaf and is then covered with plastic, as shown. After a few minutes, part of the paper turns pink, showing that water is present. Which process carried out by leaves causes the paper to turn pink?
563
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553
The diagram shows the outside of a human heart. Which is a coronary artery?
566
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534
Which of the blood vessels transporting these substances is an artery?
588
581
519
Which body defence is a chemical barrier?
580
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547
The diagram shows part of the human gas exchange system.
Where does the exchange of gases between air and blood take place?
564
568
599
Which equation represents anaerobic respiration in humans?
517
589
533
The diagram shows some organs in the human body. In which part are amino acids broken down to form urea?
516
564
551
Which is the light sensitive part of the eye?
501
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598
Which response occurs when body temperature rises?
576
508
547
What is meant by the term phototropism?
550
535
563
Which row shows the effects of excessive alcohol consumption?
[Table_1]
534
533
533
Which statement applies to sexual reproduction?
552
553
514
The diagram shows half a flower.
Which structure is the stigma?
503
571
558
The diagram shows the human female reproductive system.
What is structure X?
563
539
593
What are the uses of meiosis and mitosis? [Table_1]
584
542
573
The graph shows the masses of two different types of tomato.
What can be concluded from the graph?
514
568
514
Large areas of forest are cut down in order to clear the land for other uses. Which effect does this have on the atmosphere?
563
600
600
The diagram shows part of a food web in a pile of dead leaves.
Which terms describe the organisms in the table? [Table_1]
565
507
560
The diagram shows part of the water cycle.
What are processes S and T?
545
552
511
The graph shows the changes in the populations of predator and prey over a period of time. Which point on the graph shows a decrease in predator population?
537
531
541
Which is an example of genetic engineering?
586
540
594
Why is yeast used in breadmaking?
533
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574
The graph shows the levels of dissolved oxygen and mineral ions in a river. At which point does raw sewage enter the river?
532
509
523
