No questions found
Which type of cell moves mucus?
547
526
556
A student exposed a fly larva to light and temperature gradients.
They lit the area from one side and made one side of the area warmer than the other.
They traced the path of the fly larva's movement.
Which statement describes the response of the fly larva?
501
516
590
The table shows the scientific names and the common names of four plants.
[Table_1]
Which word is a genus name?
561
600
504
The diagram shows an arthropod.
Which group does this arthropod belong to?
514
549
522
The diagram shows a plant cell.
Which letter indicates the location of the cell membrane?
541
568
526
Which magnification formula is correct?
534
574
501
A frog is an animal. The skin of a frog is permeable to oxygen and carbon dioxide.
Which directions will have a net diffusion of oxygen and carbon dioxide when a frog swims in pond water?
[Table_1]
522
585
504
Which statement about plant support is correct?
540
547
567
What is a correct statement about active transport?
535
536
589
A sample of food was tested with biuret reagent.
Which colour would be seen if the food sample contained protein?
508
518
553
Which elements are found in fats?
548
581
567
Which statements about enzymes are correct?
1 Enzymes are biological catalysts.
2 Enzymes are carbohydrates.
3 Enzymes have an active site.
539
523
554
The equation for photosynthesis is shown.
......1...... + ......2...... \( \rightarrow \) glucose + ......3......
Which words correctly complete gaps 1, 2 and 3?
[Table_1]
532
564
546
Which carbohydrate is used to make cell walls?
597
588
549
The diagram shows a cross-section of a leaf.
Which row shows the correct labels?
[Table_1]
567
511
558
The table shows some of the nutrients found in yoghurt.
[Table_1]
One serving size of yoghurt is 150 g.
One of the nutrients in the yoghurt is required for healthy bones and teeth.
What is the mass of this nutrient in one serving of yoghurt?
507
513
521
The diagram shows the alimentary canal and some of the associated organs in a cat. The alimentary canal of a cat is similar to that of a human.
Which row identifies the structures labelled 1–4?
[Table_1]
550
529
598
The diagram shows the four types of teeth in a human jaw.
Which row correctly identifies all four types of teeth?
[Table_1]
591
531
563
What are the products of protein digestion in the stomach?
515
558
558
Where is water absorbed?
559
590
562
The diagram shows a cross-section of a stem.
Which statement correctly describes the location and function of phloem?
511
543
550
Some environmental factors are listed.
1 carbon dioxide concentration
2 temperature
3 oxygen concentration
4 wind speed
Which factors directly affect the rate of transpiration?
567
511
589
The diagram shows part of a blood vessel.
Which evidence in the diagram shows that it is a vein and not an artery?
549
502
547
The photomicrograph shows two blood cells.
What is the function of these cells?
565
573
559
Which row matches a gas in expired air with a substance that can be used to test for the presence of that gas?
[Table_1]
530
581
539
Which graph shows how temperature affects the rate of anaerobic respiration in yeast?
532
505
557
What is the pathway of a reflex arc from the receptor to the effector?
516
511
588
What is an effect of adrenaline secretion?
503
538
582
What is phototropism?
576
588
519
A gardener wants to grow some new plants that are identical to plants that she already has.
Which method of reproduction is used, and how many parents are needed for her to grow some new identical plants?
[Table_1]
567
508
518
What must always be present for seeds to germinate?
527
522
521
What is a flagellum?
521
504
585
Which word describes a fertilised cell?
536
513
558
Which secondary sexual characteristic is caused by both testosterone and oestrogen?
599
508
534
Some ways that diseases can be transmitted are listed.
1 airborne droplets
2 blood and needles
3 food and drink
4 unprotected sex
Which ways can transmit HIV?
578
572
523
What do genes code for?
510
592
532
When white-flowered pea plants are crossed with red-flowered pea plants, the offspring plants all have red flowers.
If these offspring plants are crossed, the next generation of plants contains both red-flowered and white-flowered plants.
Which statement explains this?
511
596
552
What is a description of an adaptive feature?
577
539
575
Which diagram shows a pyramid of biomass for the food chain shown?
key: tree → caterpillar → bird
523
567
600
Which statement about conservation is correct?
532
576
522
