Biology 0610/13 October/November 2019: question paper and mark scheme

Question

The diagrams show a plant at the start of an experiment, and the same plant two weeks later. light from one side start of experiment after two weeks Which characteristics of living organisms are demonstrated by this experiment? A excretion, growth, movement B excretion, movement, reproduction C growth, movement, sensitivity D sensitivity, growth, respiration

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.

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Which feature is characteristic only of birds? A hair and wings B hard-shelled eggs and feathers C scales and soft-shelled eggs D wings and soft-shelled eggs

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Which features do animal cells share with plant cells? chloroplast cytoplasm nucleus A key B = yes C = no D

Question

The diagram shows an animal. Use the key to identify the animal. 1 wings present …… go to 2 wings absent …… go to 3 2 one pair of wings visible …… A two pairs of wings visible …… B 3 three pairs of legs …… C four pairs of legs …… D

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At which level of organisation is a root? A organ B organ system C organism D tissue

Question

Which process requires energy from respiration? A active transport B diffusion C osmosis D transpiration

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Which identifies the chemical elements found in proteins? carbon hydrogen oxygen nitrogen A key B = present C = absent D

Question

Enzyme X digests protein in the stomach. Four test-tubes were set up, each contained the same amounts of protein and enzyme X. The test-tubes are kept at different levels of pH and temperature, as shown in the table. In which test-tube will protein digestion be quickest? pH temperature / °C A 2 20 B 2 35 C 7 20 D 7 35

Question

Which substance is used up in photosynthesis? A chlorophyll B light C oxygen D water

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The diagram shows a leaf as seen in cross-section under the microscope. 1 2 3 What are tissues 1, 2 and 3? 1 2 3 A epidermis palisade mesophyll spongy mesophyll B epidermis spongy mesophyll palisade mesophyll C palisade mesophyll epidermis spongy mesophyll D spongy mesophyll palisade mesophyll epidermis

Question

The pie charts show the composition of 100 g of four different foods. Which food provides the most energy? A B C D key carbohydrate fats and oils protein water

Question

In which part of the alimentary canal is most water absorbed? A colon B oesophagus C small intestine D stomach

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The diagram shows an experiment kept at room temperature. tubing containing starch, protease, test-tube protein and simple sugars distilled water membrane permeable to small molecules only What is present in the water surrounding the membrane after 45 minutes? A amino acids and simple sugars B protein and amino acids C protein and simple sugars D starch and simple sugars

Question

The diagram shows a cross-section through a plant root. Q R What is found at Q and R? Q R A palisade mesophyll spongy mesophyll B phloem xylem C spongy mesophyll palisade mesophyll D xylem phloem

Question

The diagram shows a vertical section through a human heart. X Y What are X and Y? X Y A left atrium right ventricle B left ventricle right atrium C right atrium left ventricle D right ventricle left atrium

Question

The table shows the concentration of red blood cells, white blood cells and platelets in the blood of four patients. Which patient is most likely to have a deficiency of iron in their diet and will find it difficult to form a blood clot? red blood cells white blood cells platelets / cells per mm3 / cells per mm3 / cells per mm3 A 2 525 000 643 296 000 B 2 275 000 756 27 500 C 7 250 000 650 275 000 D 7 325 000 405 25 000

Question

Campylobacter is a bacterium that can cause food poisoning. Which word describes Campylobacter? A antibody B disease C pathogen D symptom

Question

What is the sequence of structures through which a molecule of oxygen passes from the air to the blood of a person? 1 bronchiole 2 capillary 3 alveolus wall 4 larynx A 1→4→2→3 B 3→2→1→4 C 4→1→3→2 D 4→2→1→3

Question

Which process releases heat to maintain a constant body temperature? A excretion B nutrition C reproduction D respiration

Question

Which process releases the most energy from one molecule of glucose? A aerobic respiration B anaerobic respiration in muscle C anaerobic respiration in yeast D photosynthesis

Question

The diagram shows a simple reflex arc. 2 sensory neurone 3 activated muscle stimulated 4 receptor stimulated knee tapped here 1 motor neurone activated What is the correct order of events after the knee is tapped? A 1→2→3→4 B 1→4→2→3 C 4→2→1→3 D 4→3→2→1

Question

When a bright light is shone into the eye, the diameter of the pupil decreases. What is this an example of? A a simple reflex B ‘fight or flight’ response C a synapse D refraction

Question

The diagram shows a seedling, fixed to a rotating platform. Light is directed from one side only. rotates four times per hour shoot of light seedling damp cotton wool The platform was allowed to rotate for two days. It was left stationary for a further two days. Which diagram shows the appearance of the seedling after this four-day period? A B C D

Question

A patient has dye injected into the blood supply to his kidneys. The dye appears in his excretory system as shown. key dye no dye Which part is blocked? A the kidney B the ureter C the bladder D the urethra

Question

Which organ breaks down alcohol? A bladder B heart C kidney D liver

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The diagram shows reproduction in a potato plant. tuber forming new tuber Which process is shown? A asexual reproduction B fertilisation C pollination D sexual reproduction

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The diagram shows part of a flower. 1 2 3 4 Where does fertilisation occur and where are the ovules and pollen grains found? fertilisation ovules are pollen grains occurs here found here are found here A 1 2 4 B 2 3 4 C 3 3 1 D 4 1 2

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Which method of birth control can be used as a barrier to sperm and sexually transmitted diseases during sexual intercourse? A condom B IUD C IUS D surgical sterilisation

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The diagram shows a plant cell. Where are the chromosomes found? B A C D

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Which statement describes human cells formed by meiosis? A They are genetically identical gametes. B They are genetically identical body cells. C They are genetically different gametes. D They are genetically different body cells.

Question

Pea plants have two alleles for height. T is tall, t is short. Two heterozygous pea plants, Tt, are crossed. What is the phenotypic ratio of the offspring for this cross? A all short plants B all tall plants C one tall plant to three short plants D three tall plants to one short plant

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The graph shows the heights of humans. frequency height Which statement is correct? A The individuals of this population all have the same genotype. B The individuals of this population all have the same phenotype. C This population shows continuous variation. D This population shows discontinuous variation.

Question

What is a mutation? A a condition caused by a dominant allele B a genetic change C a process used in genetic engineering D an adaptive feature

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Consumers take in carbon atoms from their food. How do carbon atoms leave the consumers? egestion excretion decomposition A key B = yes C = no D

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Which process is part of the water cycle? A combustion B fossilisation C respiration D transpiration

Question

A gene for insulin is taken from a human cell and placed in a bacterium. The bacterium can then make human insulin. What is this process called? A adaptation B genetic engineering C natural selection D selective breeding

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Some examples of how areas of land may be used are listed: 1 food crop production 2 grazing cattle 3 house building 4 tree planting. Which uses of land will cause habitat destruction? A 1, 2 and 3 B 1, 2 and 4 C 2 and 3 only D 3 and 4 only

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What are the possible effects of deforestation? decrease in atmospheric loss of soil flooding carbon dioxide A yes yes no B yes no yes C no yes no D no no yes

Question

The bloodworm is an organism that is found in heavily polluted water. The diagram shows where raw sewage flows into a river. Where would there be fewest bloodworms? input of raw sewage A C D B direction of flow