No questions found
Which process releases the most energy from one molecule of glucose?
504
508
594
The diagram shows some leaves and flowers of different plants. Which are from monocotyledons?
556
571
514
The list shows the scientific names for eight animals, using the binomial system.
Alderia modesta
Arenicola cristata
Arenicola marina
Austrominius modestus
Bittium reticulatum
Botrylloides leachii
Botryllus schlosseri
Clypeostoma reticulatum
Which two animals are most closely related?
575
549
528
The diagram shows a flower seen from above.
Use the key to find the name of the family to which it belongs.
1 four petals ................................... go to 2
five petals ................................... go to 3
2 two stamens ................................... A Scrophulariaceae
six stamens ................................... B Brassicaceae
3 petals joined ................................... C Caryophyllaceae
petals separate ................................... D Rosaceae
544
528
538
Three cell structures are listed.
1. cell wall
2. cytoplasm
3. nucleus
Which structures are found in palisade cells and in liver cells?
591
587
538
The diagram shows two plant cells, P and Q.
How does cell P differ from cell Q?
585
529
587
The diagram shows different types of cells.
Which structure do all these cells have?
551
578
533
The diagram shows a male gamete.
Which term describes the level of organisation of this gamete?
538
531
553
Which description of xylem is correct?
536
501
597
The diagram shows a fish in a pond.
Why does oxygen diffuse from the air into the water before reaching the fish?
514
520
576
Which structure provides the best surface for diffusion?
550
544
543
The diagram shows a piece of small intestine during peristalsis.
What is happening at X?
585
542
562
A plant with striped leaves similar to the one below was kept in bright light for six hours.
A leaf was taken from the plant and the chlorophyll removed. It was then tested for starch using iodine solution.
Which diagram shows the result of the test?
566
539
579
The diagram shows the human alimentary canal. Which structure does not secrete digestive enzymes?
566
529
544
Which substance is lost from the body of a healthy person by the kidneys, but not by the lungs?
552
580
567
Which statement is correct for most veins in the human body?
566
548
548
What is transported in the phloem and what is the direction of transport?
552
600
564
Apparatus was set up as shown.
Sodium hydroxide removes carbon dioxide from the air. Limewater goes cloudy if carbon dioxide is bubbled through it.
What happens to the limewater in flasks X and Y when the pump is switched on?
598
600
516
The diagram shows apparatus used to investigate anaerobic respiration in yeast.
What happens to the coloured liquid?
596
589
552
The diagram shows a section through part of the human eye. When a person looks at an object which is far away from their eye, which of the following happens?
551
502
517
The diagram shows half a flower.
On which structure would pollen be deposited in pollination?
594
558
596
In which region does diffusion of materials take place between mother and fetus?
514
503
545
During childbirth, what must happen to the cervix and the uterus wall?
[Table_1]
584
502
553
The diagram shows a baby, a child and an adult (not drawn to the same scale). As a baby grows into an adult, which labelled region grows the most?
595
582
570
Four tubes were set up as shown and placed in the dark. In which tube would the seeds germinate first?
539
531
515
The graph shows the height of a child, from birth to the age of 10.
[Image_1: Graph of height (cm) vs. age (years)]
What was the approximate height of the child at 7 years of age?
515
566
579
Which statement about the human sex chromosomes is correct?
517
586
542
Which pathway is taken by energy from the Sun? [Refer to Image_1 for the sequence diagram]
559
531
597
The diagram shows a food chain.
If the hawks are removed from this food chain, what is likely to happen to the numbers of the other organisms in this chain?
562
533
522
The diagram shows a food web including a producer, consumers and a decomposer.
Which organism is the decomposer?
551
595
584
Which organisms remove carbon dioxide from the atmosphere?
530
581
537
Which process is not part of the carbon cycle?
544
509
535
The diagram shows a simple water cycle.
What is responsible for water loss from the tree?
574
536
518
The diagram shows the age structure of a human population.
Which age group has the largest number of people?
572
513
599
What is a reason for conserving plant species?
513
505
589
What is reduced after deforestation?
508
502
528
The diagram shows four positions on a river where water samples were taken.
Which graph shows oxygen concentrations in the river?
571
526
554
