Biology 0610/11 October/November 2019: question paper and mark scheme

Question

The diagram shows a plant. light Which characteristic of living organisms is shown by the plant in the diagram? A excretion B reproduction C respiration D sensitivity

Question

Using the binomial system of naming organisms, the name of the lion is Panthera leo. Which statement is correct? A The lion belongs to the kingdom Panthera. B The lion belongs to the genus Panthera. C The lion belongs to the species Panthera. D The lion belongs to the genus leo.

Question

The table shows the number of animals collected in a sample from a woodland and the groups to which they belong. animal group number in sample arachnids 10 crustaceans 8 insects 80 myriapods 7 How many arthropods in total, in this sample, have six or eight legs? A 15 B 88 C 90 D 98

Question

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

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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

Question

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

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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

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

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What is the correct definition of the term enzyme? A carbohydrates that act as biological catalysts B carbohydrates that act as substrates C proteins that act as biological catalysts D proteins that act as substrates

Question

Two sealed test-tubes containing aquatic plants and hydrogencarbonate indicator were set up. stopper hydrogencarbonate indicator aquatic plant The indicator in the sealed test-tubes shows the concentration of dissolved carbon dioxide present. concentration of colour of carbon dioxide indicator low red medium orange high yellow One of the sealed test-tubes was kept in the light for 24 hours and one of the sealed test-tubes was kept in the dark for 24 hours. The results are shown in the table. test-tube start colour end colour kept in light orange red dark orange yellow What is the correct explanation of what has taken place? A Photosynthesis and respiration both occur in the light, but the rate of photosynthesis is higher. B Photosynthesis occurs in the light, but respiration does not. C Respiration can only occur when photosynthesis is not taking place. D The amount of carbon dioxide used and produced in the light is equal.

Question

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

The diagram shows the teeth of the lower jaw of a human. Which tooth is a premolar? B C A D

Question

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 diagrams show cross-sections through four roots. Which root is best adapted for absorbing water from the soil? A B C D

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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 diagram shows human blood cells, as seen under a microscope. X What is the function of cell X? A to carry glucose B to carry oxygen C to defend against disease D to make the blood clot

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A pathogen is defined as A a contaminated surface or food. B a disease-causing organism. C a transmissible disease. D a virus.

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Which row shows the approximate percentage of gases in expired air? percentage of percentage of carbon dioxide oxygen A 12 9 B 4 16 C 24 24 D 27 20

Question

Mammals maintain a constant body temperature. What process must occur continuously to maintain a constant body temperature? A excretion B respiration C shivering D sweating

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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

Which type of cell is found in sense organs? A ciliated B effector C receptor D palisade

Question

What is meant by the term tropism? A absorption of light by chlorophyll B growth of parts of a plant towards or away from a stimulus C growth of seed into a small plant D level at which an organism feeds in a food chain

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

The diagram shows the effect of four different antibiotics, A, B, C and D, on the growth of bacteria. Which antibiotic are the bacteria most resistant to? A B key antibiotic present bacteria present no bacteria present D C

Question

Excess alcohol affects the body. Which statement explains the risk of driving after consuming excessive alcohol? A Alcohol can be addictive. B Alcohol causes liver damage. C Alcohol slows down reaction times. D Alcohol speeds up reaction times.

Question

To which part of the flower is pollen transferred in pollination? A anther B petal C sepal D stigma

Question

The table shows some of the stages that happen during labour and birth. What is the correct order? amniotic cutting cervix passage afterbirth A sac → umbilical → fully → → through delivered breaks cord dilated vagina amniotic cervix passage cutting afterbirth B sac → fully → through → umbilical → delivered breaks dilated vagina cord cervix amniotic cutting passage afterbirth C fully → sac → umbilical → through → delivered dilated breaks cord vagina cervix cutting amniotic passage afterbirth D → fully → umbilical → sac → through delivered dilated cord breaks vagina

Question

The table shows the percentage effectiveness of four methods of contraception when used correctly. percentage method effectiveness male condom 98 diaphragm 94 femidom 95 vasectomy 99 What would be the expected percentage of unplanned pregnancies if the surgical method of contraception was used? A 1% B 2% C 5% D 6%

Question

The diagram shows part of a genetic diagram for the inheritance of sex in humans. parents father mother gametes P offspring male female What are the sex chromosomes in gamete P and the male offspring? male P offspring A X XX B X XY C Y XX D Y XY

Question

A mouse with grey hair breeds with a mouse with white hair, producing offspring with genotypes Bb, Bb, bb and bb. (B represents the dominant allele for grey hair, and b represents the recessive allele for white hair.) Which correctly describes the genotypes of the parents? A both heterozygous B both homozygous dominant C one heterozygous and one homozygous dominant D one heterozygous and one homozygous recessive

Question

The following features were observed in a pair of identical twins. feature twin 1 twin 2 tongue rolling yes yes eye colour brown brown lobed ears yes yes weight 60 kg 65 kg hair length short long Which features show phenotypic variation? A eye colour and weight B lobed ears and hair length C tongue rolling and lobed ears D weight and hair length

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Which statement about selective breeding is correct? A The inheritance of alleles is not involved. B Only individuals better adapted to the environment will survive. C Individuals are crossed to produce the next generation. D There is competition for resources.

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Which diagram shows energy passing along a food chain? primary secondary tertiary A producer consumer consumer consumer primary consumer secondary B producer consumer tertiary consumer primary secondary tertiary C producer consumer consumer consumer primary consumer secondary D producer consumer tertiary consumer

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Which organisms remove carbon dioxide from the atmosphere? A consumers B decomposers C herbivores D producers

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Which feature of bacteria makes them especially useful in biotechnology? A They are often pathogens. B They have a unique genetic code. C They have cell walls. D They reproduce rapidly.

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Which process makes use of a genetically engineered organism? A using bacteria to produce insulin B using enzymes in biological washing powders C using pectinase in fruit juice production D using yeast to produce ethanol

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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