Biology 0610/11 October/November 2021: question paper and mark scheme

Question

Which characteristics of all living organisms are needed to release energy for growth? A breathing and respiration B excretion and nutrition C excretion and respiration D nutrition and respiration

Question

Which pair of organisms belong to the same genus? A Alderia modesta and Austrominius modestus B Arenicola cristata and Arenicola marina C Bittium reticulatum and Clypeostoma reticulatum D Botryllus schlosseri and Botrylloides leachii

Question

The diagram shows an animal. What is the animal? 1 animal with a vertebral column …… vertebrate animal with an exoskeleton …… go to 2 2 no distinct head, thorax and abdomen …… A distinct head, thorax and abdomen …… go to 3 3 eye occupies less than one third of the head …… B eye occupies more than one third of the head …… go to 4 4 wings are wider than they are long …… C wings are longer than they are wide …… D

Question

Which row shows the structure on the outside of a plant cell and the location of the chloroplasts in the cell? structure on the location of outside of a plant cell chloroplasts A cell membrane in the cytoplasm B cell membrane in the vacuole C cell wall in the cytoplasm D cell wall in the vacuole

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The diagram shows some cells. cilia cytoplasm nucleus Where are these cells found? A alimentary canal B blood C bronchus D plant roots

Question

What is the equation for calculating the magnification of a biological drawing? A magnification = actual size × image size × 100 B magnification = actual size ÷ image size C magnification = image size ÷ actual size D magnification = actual size × 100 ÷ image size

Question

Which words complete the definition of diffusion? ‘Diffusion is the net movement of particles from a region of their ……1…... concentration to a region of their ……2…... concentration, ……3…... a concentration gradient.’ 1 2 3 A higher lower up B higher lower down C lower higher up D lower higher down

Question

Cyanide is a poison that stops respiration. A paramecium is a single-celled freshwater organism. What is the most likely effect of cyanide in a paramecium? A increased active transport B decreased osmosis C decreased active transport D increased osmosis

Question

In a photosynthesis experiment, a plant is left in bright sunlight for several hours. A leaf is then removed from the plant and tested for starch, using iodine solution. The diagram shows the leaf from the plant that was used in the experiment. white area green area Which diagram shows the result of the experiment? A B C D key iodine solution turns blue-black iodine solution stays brown

Question

An experiment was carried out to investigate the effect of pH on enzyme action. The graph shows the results. y-axis x-axis What are the labels for the x-axis and the y-axis? x-axis y-axis A pH rate of reaction B pH time C rate of reaction pH D time pH

Question

Four test-tubes were set up as shown in the diagram. In which test-tube is the starch digested most quickly? A B C D water-bath water-bath at 15 °C at 35 °C starch solution starch solution and amylase and amylase starch solution starch solution and boiled amylase and boiled amylase

Question

Which row shows the raw materials needed for photosynthesis and the products of photosynthesis? raw materials products A water + chlorophyll carbon dioxide + glucose B carbon dioxide + water chlorophyll + oxygen C oxygen + carbon dioxide water + glucose D water + carbon dioxide glucose + oxygen

Question

Which food is the best source of vitamin C? A bread B meat C milk D oranges

Question

Which reagent is used to test for the presence of vitamin C? A Benedict’s B biuret C DCPIP D ethanol

Question

The diagram shows a large food molecule changing into smaller molecules. process X What is process X? A absorption B chewing C digestion D secretion

Question

The diagram shows part of the human alimentary canal and associated organs. Which structure produces hydrochloric acid? B C A D

Question

The diagrams show sections of a leaf and a root. not to 1 scale 3 2 4 section of a leaf section through a root Which two labelled structures identify xylem? A 1 and 4 B 2 and 3 C 1 and 3 D 2 and 4

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Which graph shows the effect of increasing humidity on the rate of transpiration? A B rate of rate of transpiration transpiration humidity humidity C D rate of rate of transpiration transpiration humidity humidity

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The diagram shows a section through a mammalian heart. Which part carries blood directly from the lungs? B C A D

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Which component of blood produces antibodies? A red blood cells B white blood cells C platelets D plasma

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Some features that help to defend the body against pathogens are listed. 1 mucus 2 skin 3 stomach acid 4 phagocytosis Which features can prevent pathogens entering body tissues? A 1, 2, 3 and 4 B 1, 2 and 3 only C 2 and 3 only D 4 only

Question

Which structure is a bronchus? B C A D

Question

The diagram shows the apparatus used by a student to investigate respiration in woodlice (small arthropods). test-tube cotton capillary containing air wool tube woodlice soda lime water to remove drop carbon dioxide Which explanation about the direction that the water drop will move is correct? A The water drop will move away from the woodlice because respiration uses carbon dioxide. B The water drop will move away from the woodlice because respiration uses oxygen. C The water drop will move towards the woodlice because respiration uses carbon dioxide. D The water drop will move towards the woodlice because respiration uses oxygen.

Question

Some students placed yeast, sugar and water into a bottle. They then placed an empty balloon over the opening of the bottle. The bottle was left in a warm place for one hour. During this time the balloon increased in size. balloon yeast, sugar and water Why does the balloon increase in size? A The yeast makes alcohol. B The yeast makes carbon dioxide. C The yeast makes oxygen. D The yeast makes lactic acid.

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The diagram shows part of the excretory system of a female mammal. X What is tube X? A ureter B urethra C uterus D vein

Question

The diagram shows a reflex arc that passes through the spinal cord. pain receptor X Y muscle Which type of neurones are X and Y? X Y A motor neurone relay neurone B relay neurone sensory neurone C sensory neurone motor neurone D sensory neurone relay neurone

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The diagram shows a section through the skin. Which labelled part is a hair erector muscle? A B C D

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A seed is placed and grown on a rotating disc, as shown. seed pinned to the constantly rotating disc Which diagram shows the appearance of the seedling shoot after seven days? A B C D

Question

Which definition of a drug is correct? A a substance that increases the rate of a chemical reaction and is not changed by the reaction B a protein that functions as a biological catalyst C a substance taken into the body that modifies or affects chemical reactions in the body D a chemical substance, produced by a gland and carried by the blood, which alters the activity of one or more specific target organs

Question

Which is an example of sexual reproduction? A a female insect laying unfertilised eggs that develop into new insects B division of a single-celled bacterium to produce two new bacteria C fusion of a pollen grain nucleus with an ovule nucleus to produce a seed D growing cuttings taken from one plant to produce new, genetically identical plants

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The diagram shows part of the male reproductive system. 1 2 3 4 Which structures manufacture sperm and the fluid the sperm are transported in? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4

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Which type of birth control prevents sperm from entering the vagina? A contraceptive pill B diaphragm C IUD D vasectomy

Question

An allele is a version of which structure? A amino acid B chromosome C gene D protein

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Which are functions of mitosis? 1 growth 2 production of gametes 3 repair of damaged tissue 4 replacement of cells 5 asexual reproduction A 1, 3, 4 and 5 B 1 and 3 only C 2, 3 and 4 D 2 only

Question

A species of insect usually has pale-coloured wings. This helps to camouflage them on pale-coloured tree trunks. A few of the insects in this species have darker coloured wings. After a number of years the tree trunks become darker in colour due to environmental changes. The insects with dark-coloured wings become more common than insects with pale-coloured wings in this species. Which process causes this change in the proportion of insects with dark-coloured wings? A biotechnology B conservation C natural selection D selective breeding

Question

The diagram shows a woodland food web. hawk fox frog rabbit snail grass dandelion Which statement is not correct? A Dandelions and grass are both producers. B The fox and the hawk are both tertiary consumers. C The frog is a secondary consumer. D The rabbit and the snail are both primary consumers.

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Which organism makes its own organic nutrients using light energy? A producer B consumer C herbivore D carnivore

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Which process releases carbon dioxide into the atmosphere? A decomposition B fossilisation C photosynthesis D transpiration

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Which row shows what is used to make biofuel, bread and fruit juice? biofuel bread fruit juice A pectinase pectinase yeast B pectinase yeast pectinase C yeast pectinase yeast D yeast yeast pectinase

Question

What is an effect of an increase in the use of insecticides? A decreased competition between crop plants and weeds B decreased numbers of extinctions C decreased numbers of pollinators D decreased use of fertilisers