Biology 0610/12 May/June 2024: question paper and mark scheme

Question

Some yeast, sugar and water are mixed in a test-tube. The diagrams show the test-tube at the start and after one hour. bubbles of gas yeast, sugar and water at start after one hour Which process causes this change? A growth B reproduction C respiration D sensitivity

Question

The diagram shows an animal. Use the key to identify the animal. 1 has two wings go to 2 has four wings go to 3 2 has antennae much shorter than legs A has antennae about the same length as legs B 3 has feathery antennae C has smooth antennae D

Question

Donkeys and zebras are different species. They can breed to produce an animal called a zedonk. Zedonks are not fertile. Which statement is correct? A Zedonks and donkeys are the same species. B Zedonks and zebras are the same species. C Zedonks are a species. D Zedonks are not a species.

Question

Crabs are arthropods with 10 jointed legs and two pairs of antennae. To which arthropod class do they belong? A arachnids B crustaceans C insects D myriapods

Question

Heart muscle cells have a high rate of metabolism. Which structure do they require to be present in high numbers? A chloroplasts B mitochondria C cell walls D vacuoles

Question

The diagram shows a fly. X Y The line XY represents the length of the wing. The length of line XY is 26 mm. The actual size of the wing between X and Y is 4 mm. What is the magnification of the diagram? A ×0.15 B ×6.5 C ×22 D ×104

Question

What is an example of diffusion? A dust particles being moved by ciliated cells in the trachea B oxygen molecules moving into a red blood cell in the lungs C pollen grains moving from anthers to stigmas in the wind D red blood cells moving in a blood capillary in a muscle

Question

The diagram shows apparatus used to investigate osmosis. The volumes of solutions A, B, C and D were the same at the start of the investigation. After one hour, the solutions had moved up the glass tubes. Which solution was the most concentrated at the start of the investigation? glass glass glass glass tube tube tube tube partially partially permeable permeable membrane membrane water solution solution solution solution A B C D

Question

Which row describes active transport? movement of uses energy movement through water from respiration a cell membrane A yes no no B yes no yes C no yes no D no yes yes

Question

Iodine solution is added to a food sample that contains starch. What is the colour of the sample after the iodine solution has been added? A blue-black B purple C red D yellow

Question

Which graph shows the effect of temperature on the activity of an enzyme? A B enzyme enzyme activity activity 0 50 100 0 50 100 temperature / °C temperature / °C C D enzyme enzyme activity activity 0 50 100 0 50 100 temperature / °C temperature / °C

Question

Which of these statements about enzymes are correct? 1 enzymes are proteins 2 enzymes are used up during chemical reactions 3 enzymes speed up metabolic reactions A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

Question

The diagram shows a cross-section of part of a leaf. Which cell controls the rate of gas exchange? D A C B

Question

The diagram shows two cells. Which process happens in only one of these cells? A controlling the chemical reactions in the cell B controlling the movement of substances into the cell C making starch inside the cell D using glucose inside the cell

Question

Which organ is part of the digestive system? A colon B larynx C vena cava D ureter

Question

The diagram shows the human alimentary canal. Where is most digested food absorbed into the blood? A D B C

Question

Which layer is dentine in the diagram of a human tooth? A B C D

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The diagram shows a human jaw. Which labelled tooth is an incisor? B C A D

Question

Where does protease act? A B C D

Question

Which statement describes transpiration? A Water is pulled upwards by active transport. B Water is pulled up from the roots by phloem. C Water moves by osmosis inside the xylem vessels. D Water vapour diffuses out of the leaves.

Question

Which statement describes the circulation of blood in the human body? A Blood is pumped away from the heart by the atria. B Blood is pumped away from the heart through arteries. C Blood is pumped away from the heart through veins. D Blood is pumped to the heart through capillaries.

Question

Which method of pathogen transmission is direct? A breathing in pathogens in air B eating contaminated food C transfusing contaminated blood D touching a door handle that has pathogens on it

Question

Which statement describes anaerobic respiration? A Anaerobic respiration in humans produces lactic acid and carbon dioxide. B Anaerobic respiration in yeast produces water and carbon dioxide. C Anaerobic respiration releases energy from glucose without using oxygen. D Anaerobic respiration releases more energy per glucose molecule than aerobic respiration.

Question

Which organ is responsible for the excretion of urea in the human body? A D C B

Question

Which part of the eye contains light receptors? A cornea B iris C lens D retina

Question

Which row shows the effects of adrenaline secretion? pupil diameter heart rate A decreases decreases B decreases increases C increases decreases D increases increases

Question

A plant pot is placed on its side. Which diagram shows a plant with roots showing gravitropism and shoots showing phototropism? A B light light C D light light

Question

The graph shows how the percentage effectiveness of antibiotic F against MRSA bacteria varied between 1980 and 2000. 100 90 80 percentage effectiveness of antibiotic F 70 against MRSA 60 50 40 1980 1990 2000 time / year What is a correct conclusion from the graph? A Antibiotic F was completely ineffective against MRSA in 2000. B Antibiotic F was most effective in 1982. C MRSA developed resistance to antibiotic F between 1981 and 2000. D The greatest decrease in effectiveness of antibiotic F against MRSA was between 1988 and 1990.

Question

Which statement describes asexual reproduction? A Gametes are involved in this type of reproduction. B Offspring are genetically different from each other. C Offspring are genetically identical to the parent. D Two parents are required for this type of reproduction.

Question

What is the function of the acrosome in a sperm cell? A The acrosome contains enzymes that digest the jelly coat of an egg cell. B The acrosome is needed for the sperm cell to move. C The acrosome releases energy. D The acrosome stores genetic information.

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Which diagram shows fertilisation? A B key female gamete C D male gamete nucleus

Question

What is HIV? A a bacterium B an enzyme C a pathogen D an antibody

Question

What describes an allele? A an alternative form of a chromosome made of DNA B an alternative form of a chromosome made of protein C an alternative form of a gene made of DNA D an alternative form of a gene made of protein

Question

The images show four animals. 1 2 sheep eagle 3 4 tortoise tiger Which two animals show adaptive features for being secondary consumers? A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

Question

A gene is added to the genetic material of an avocado plant. This gene makes the avocado fruits stay ripe for longer before they start to decompose. What is this process an example of? 1 adaptation 2 genetic modification 3 selective breeding A 1, 2 and 3 B 1 and 3 only C 2 only D 3 only

Question

The diagram shows a food chain. plant leaf → slug → frog → fox Which terms describe the position of the fox in this food chain? consumer trophic level A quaternary fourth B tertiary third C quaternary third D tertiary fourth

Question

These are processes found in the carbon cycle. • combustion • decomposition • feeding • photosynthesis • respiration How many of these processes release carbon dioxide into the atmosphere? A 1 B 2 C 3 D 4

Question

Which change occurs when areas of forest are cleared for farming? A decreased release of carbon dioxide into the atmosphere B increased biodiversity C increased loss of soil D increased release of oxygen into the atmosphere

Question

What is a use of ethanol? A biofuel production B biological washing powder C bread-making D fruit juice production

Question

The diagram shows a label found on a container of biological washing powder. Biological washing powder • works at low temperatures • contains protease • contains lipase • keep out of reach of children Which stains does the washing powder remove? food stain food stain food stain food stain containing containing containing containing oil carbohydrates protein fat A ✓ ✓ ✗ ✗ key B ✓ ✗ ✗ ✓ ✓ = yes C ✗ ✓ ✓ ✓ ✗ = no D ✗ ✗ ✓ ✗