Biology 0610/11 May/June 2025: question paper and mark scheme

Question

The diagram shows how a seed changes after it is planted in soil and watered. Which characteristics of living things are demonstrated by the sequence shown in the diagram? A growth only B growth and sensitivity C nutrition and reproduction D reproduction and sensitivity

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Which row describes each part of the binominal system name for humans? Homo sapiens A genus kingdom B genus species C species genus D species kingdom

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What are the characteristics of fish? maintain a eggs covered external ears scales constant body in jelly present present temperature A yes no yes no B yes yes no yes C no no yes no D no yes no yes

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Which type of cell transports oxygen? A ciliated cell B neurone C palisade mesophyll cell D red blood cell

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The diagram shows a plant cell. X What is the function of the part labelled X? A controls what enters and leaves the cell B strength and support C photosynthesis D protein synthesis

Question

Four students used a microscope to view some onion plant cells. Each student drew one of the cells. Each student calculated the actual length of the cell and the magnification of their drawing. Which student produced the longest drawing of a cell? actual length of magnification onion plant cell / mm of drawing A 0.120 ×150 B 0.125 ×300 C 0.150 ×225 D 0.200 ×175

Question

The table shows the concentration of gases in a blood vessel and in an alveolus. Which row shows the conditions that cause a substance produced in respiration in humans to diffuse from the blood vessel into the alveolus? substance substance substance produced in concentration in concentration in respiration the blood vessel the alveolus A carbon dioxide low high B carbon dioxide high low C oxygen low high D oxygen high low

Question

The diagram shows four identical pieces of potato plant tissue in test-tubes. The pieces of potato were kept in the test-tubes for six hours. Which piece of potato would have the greatest increase in mass after six hours? A B C D distilled water 5% sugar 20% sugar air solution solution

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Which row correctly shows the elements and small molecules that are found in a large molecule? elements small molecules large molecule A carbon, hydrogen, oxygen, nitrogen glucose fat B carbon, hydrogen, oxygen, nitrogen glycerol fat C carbon, hydrogen, oxygen glucose starch D carbon, hydrogen, oxygen glycerol starch

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Which substance is the DCPIP test used for? A fat B protein C starch D vitamin C

Question

The graph shows the activity of three digestive enzymes at differing pH values. X Y Z enzyme activity 1 2 3 4 5 6 7 8 9 10 11 12 pH Which statement is correct? A Enzymes X and Y are both active at pH 7. B Enzymes X and Z are both active at pH 4. C Enzymes Y and Z are both active at pH 4. D Enzymes Y and Z are both active at pH 8.

Question

A student drew a diagram to show the substances used and produced in photosynthesis in a leaf. 1 + 2 are used by the leaf 3 + 4 are produced by the leaf Which row shows the correct labels for the diagram? 1 2 3 4 A carbon dioxide glucose oxygen water B water carbon dioxide glucose oxygen C oxygen water carbon dioxide glucose D glucose oxygen water carbon dioxide

Question

The diagram shows a cross-section of part of a leaf. 2 1 3 What are the names of regions 1, 2 and 3? 1 2 3 A palisade mesophyll vascular bundle spongy mesophyll B spongy mesophyll palisade mesophyll vascular bundle C vascular bundle palisade mesophyll spongy mesophyll D vascular bundle spongy mesophyll palisade mesophyll

Question

Why is iron an important component of the human diet? A Iron is needed to make haemoglobin. B Iron is needed to prevent rickets. C Iron is needed to prevent scurvy. D Iron is needed to strengthen teeth.

Question

The diagram shows the digestive system. Where does egestion take place? A B C D

Question

The diagram shows four different types of teeth in the upper and lower jaws in a human mouth. Z Y upper jaw X lower jaw W Which letters identify the types of teeth shown in the diagram? W X Y Z A canine premolar molar incisor B canine molar premolar incisor C incisor premolar molar canine D incisor molar premolar canine

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Which row shows an enzyme with the correct site of production and products of digestion? site of products enzyme production of digestion A amylase salivary glands amino acids B amylase stomach simple reducing sugars C protease salivary glands simple reducing sugars D protease stomach amino acids

Question

The roots of a plant are cut off and the stem is placed in a beaker containing a liquid red stain. After a few hours, in which part of the plant stem will the red stain be visible? A cuticle B phloem C style D xylem

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The diagram shows the blood vessels between the lungs, heart and kidneys in a human. The arrows indicate the direction of blood flow. Which blood vessel is labelled correctly? A B lungs coronary artery pulmonary artery heart D aorta kidneys C renal vein

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Which statements describe the difference between the composition of inspired air and expired air? 1 The percentage of carbon dioxide in inspired air is greater than in expired air. 2 The percentage of carbon dioxide in inspired air is less than in expired air. 3 The percentage of oxygen in inspired air is greater than in expired air. 4 The percentage of oxygen in inspired air is less than in expired air. A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

Question

The diagram shows apparatus that was used to investigate germination in seeds. wire mesh ruler coloured liquid seeds chemical which absorbs the gas produced Which other substances must be present in the test-tube for the seeds to germinate? A carbon dioxide and chlorophyll B carbon dioxide and water C chlorophyll and oxygen D oxygen and water

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What is a product of anaerobic respiration in yeast cells? A alcohol B lactic acid C oxygen D water

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Which organ excretes urea? A bladder B kidney C lung D stomach

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Which type of pathogen transmission is by direct contact? A contaminated air B contaminated blood C contaminated food D contaminated surfaces

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The diagram shows a reflex arc. Q P R Which letters on the diagram represent the relay neurone and the sensory neurone? relay neurone sensory neurone A P Q B P R C Q R D Q P

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Which hormone is produced by the pancreas? A adrenaline B insulin C oestrogen D testosterone

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Which statements describe correct examples of tropic responses? 1 Gravitropism is the growth of plant roots away from gravity. 2 Gravitropism is the growth of plant roots towards gravity. 3 Phototropism is the growth of plant shoots away from light. 4 Phototropism is the growth of plant shoots towards light. A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

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Which statement applies to antibiotics? A They kill bacteria. B They kill viruses. C They are produced by platelets. D They are produced by white blood cells.

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Four statements about different types of reproduction are listed. 1 Offspring are formed that are genetically different. 2 Offspring are formed that are genetically identical. 3 It only occurs in animals. 4 The nuclei of two gametes fuse in fertilisation. Which statements describe sexual reproduction? A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

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What happens to the uterus lining at the start of the menstrual cycle? A The uterus lining breaks down. B The uterus lining grows new blood vessels. C An embryo implants in the uterus lining. D The uterus lining repairs and thickens.

Question

What can reduce the transmission of HIV? A clean water supplies B hygienic food preparations C use of condoms D sewage treatment

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What are alternative forms of genes called? A alleles B chromosomes C genotypes D phenotypes

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Humans produce two types of ear wax, either wet or dry. Which row describes the variation in human ear wax? type of variation controlled by A continuous genes and environment B continuous genes only C discontinuous genes and environment D discontinuous genes only

Question

Giraffes are mammals that have long necks. This enables them to eat leaves from tall trees. One theory to explain how giraffes developed long necks is natural selection. Which statement is part of the explanation for the development of long necks in giraffes by natural selection? A Giraffes with longer necks were better adapted to the environment than giraffes with shorter necks. B Humans selected giraffes with the longest necks and bred them together. C There was no competition for food. D There were no trees in the environment.

Question

Alpine plants grow on mountains at high altitude. Alpine plants can only grow for a few months because they are covered in snow for most of the year. What are most likely to be adaptive features of alpine plants? A They flower quickly and produce seeds quickly. B They flower quickly and produce seeds slowly. C They flower slowly and produce seeds quickly. D They flower slowly and produce seeds slowly.

Question

The diagram shows a food web. pike frog stickleback diving beetle water boatman water spider stonefly larva blackfly larva mayfly larva alga Which animal is a secondary consumer? A blackfly larva B diving beetle C frog D pike

Question

The graphs show the number of herbivores in a habitat over a period of time. At time X, the carnivores are removed from the habitat. Which graph shows the effect of this on the number of herbivores? A B number of number of herbivores herbivores X X time time C D number of number of herbivores herbivores X X time time

Question

Some statements about food production are listed. 1 Agricultural machinery allows the efficient use of larger areas of land. 2 Herbicides increase the competition of crop plants with weeds. 3 Selective breeding improves production in livestock. Which statements about how food production can be increased are correct? A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

Question

What is one way endangered species can be conserved? A growing monocultures B overharvesting C reducing biodiversity D using seed banks

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The table shows the features of four different types of bacteria. Which type of bacteria would be the most useful to use for biotechnology? reproduction rate ability to make / number of cell complex molecules divisions per hour A 3.0 low B 0.5 high C 1.0 low D 3.0 high