Biology 0610/23 May/June 2022: question paper and mark scheme

Question

All living organisms release energy from nutrient molecules within their cells. What is the name of this characteristic? A growth B nutrition C respiration D sensitivity

Question

Which diagram shows a flower from a monocotyledon? A B C D

Question

The diagram shows a cross-section through two guard cells of a leaf. W X Y Z Which labelled structures would also be found in an animal cell? A W and X B X and Y C Y and Z D Z and W

Question

Which level of organisation is shown by the heart of a mammal? A a cell B a tissue C an organ D an organ system

Question

Female moths release chemicals into the air. Male moths detect these chemicals and fly towards the females. How do the chemicals spread through the air? A active transport B diffusion C osmosis D transpiration

Question

The diagram shows a section through a mesophyll cell of a leaf. Which part is partially permeable? A B C D

Question

What are the smaller basic units of starch and glycogen molecules? starch glycogen A amino acids fatty acids and glycerol B amino acids glucose C glucose fatty acids and glycerol D glucose glucose

Question

DNA is made up of ……1…… strands coiled together. The strands contain chemicals called ……2…… . These chemicals form ……3…… , A pairing with T and C pairing with G. Which words correctly complete gaps 1, 2 and 3? 1 2 3 A three amino acids cross-links B two bases cross-links C three bases proteins D two amino acids proteins

Question

What is the correct definition of an enzyme? A a carbohydrate that functions as a biological catalyst B a protein that functions as a biological catalyst C a substance that is changed by the reaction D a substance made of fats that changes the rate of a reaction

Question

Which statement describes the effect of temperature on enzymes? A High temperatures denature enzymes making it difficult for substrate molecules to fit into the active site. B High temperatures denature enzymes making it easy for substrate molecules to fit into the active site. C Low temperatures denature enzymes making it difficult for substrate molecules to fit into the active site. D Low temperatures denature enzymes making it easy for substrate molecules to fit into the active site.

Question

The graph shows the rate of photosynthesis at different carbon dioxide concentrations. X rate of photosynthesis carbon dioxide concentration What could be the limiting factor of photosynthesis at X on the graph? A oxygen B carbon dioxide C glucose D light intensity

Question

The list shows features of a plant leaf. 1 air spaces between spongy mesophyll cells 2 chloroplasts in mesophyll cells 3 contains a natural insecticide 4 xylem vessels close to mesophyll cells Which features are adaptations for photosynthesis? A 1, 2 and 3 B 1, 2 and 4 C 1, 3 and 4 D 2, 3 and 4

Question

Which nutrient is required to prevent scurvy? A calcium B iron C vitamin C D vitamin D

Question

Which diagram represents the action of lipase? A + + key B + + + enzyme substance 1 C + + substance 2 substance 3 D + +

Question

The image shows a cross-section of part of a leaf. Which labelled structure is the xylem? A D B C

Question

The diagram shows a cross-section of a root. Three regions of the root are numbered. 1 2 3 Which regions contain cells through which water must pass to reach the xylem? A 1, 2 and 3 B 1 and 2 only C 2 and 3 only D 2 only

Question

In a double circulation, what is the role of the right side of the heart? A to receive oxygenated blood from the body and to pump oxygenated blood to the lungs B to receive oxygenated blood from the body and to pump deoxygenated blood to the lungs C to receive deoxygenated blood from the body and to pump oxygenated blood to the lungs D to receive deoxygenated blood from the body and to pump deoxygenated blood to the lungs

Question

The photomicrograph shows some human blood cells. X What is the name of cell X and what is its function? name function A lymphocyte produces antibodies B lymphocyte engulfs pathogens C phagocyte produces antibodies D phagocyte engulfs pathogens

Question

Three statements about immune responses are listed. 1 Antigens trigger an immune response which produces antibodies. 2 Memory cells are produced. 3 Antibodies are acquired from another individual. Which statements are correct when describing active immunity? A 1 only B 1 and 2 only C 2 and 3 only D 1, 2 and 3

Question

Which row shows the action of muscles during inspiration? internal external diaphragm intercostal muscles intercostal muscles A contract relax relax B contract relax contract C relax contract relax D relax contract contract

Question

Carbon dioxide is produced by aerobic respiration. How many molecules of carbon dioxide are produced from the aerobic respiration of three molecules of glucose? A 3 B 6 C 12 D 18

Question

Which statements describe how an oxygen debt is removed after vigorous exercise? 1 Lactic acid is transported to the liver. 2 Lactic acid is respired aerobically. 3 Heart rate stays high to remove lactic acid from the muscles. A 1 and 2 only B 1 and 3 only C 1, 2 and 3 D 2 and 3 only

Question

Which statement about urea is correct? A Amino acids are transported to the kidneys where they are converted to urea. B Urea travels from liver cells to the kidneys where it is filtered out of the blood. C Liver cells break down proteins to amino acids which are then converted to urea in the kidneys. D Urea is made in the kidneys and then removed from the body by the liver.

Question

The diagram shows the junction between two neurones. X What is labelled at X? A neurotransmitter B vesicle C neurotransmitter receptor molecule D synaptic cleft

Question

The diagram shows the density of rods and cones across a section of the retina. What is the position of the fovea? cones rods density of receptors A B C D distance across the retina

Question

What is the synthetic plant hormone 2,4-D used for? A genetic engineering B inhibiting phototropism C killing weeds D promoting germination

Question

Which statement about asexual reproduction would be a disadvantage for a farmer growing crop plants? A Desirable qualities are shown throughout the crop. B No pollinators are required. C Only one parent plant is required so growth is rapid. D All of the crop plants have the same risk of disease.

Question

The diagram shows an abnormal sperm cell. Why would the abnormal sperm cell be unable to fertilise an egg? A It has no acrosome so is unable to digest the jelly coat of the egg. B It has no mitochondria so lacks energy to swim to the egg. C It has no flagellum so cannot swim to the egg. D It has no nucleus so cannot fuse with the egg.

Question

One type of contraceptive pill contains progesterone and oestrogen. Some effects of the pill are listed. 1 inhibit FSH production 2 inhibit LH production 3 inhibit thickening of the uterus wall Which prevent the development and the release of an egg cell? A 1, 2 and 3 B 1 and 2 only C 2 and 3 only D 3 only

Question

Some fruit flies have orange eyes and others have red eyes. If two orange-eyed fruit flies are crossed, their offspring always have orange eyes. If two red-eyed fruit flies are crossed, their offspring can have orange eyes or red eyes. What can be concluded from these observations? A The allele for orange eyes is dominant. B The allele for orange eyes is recessive. C The alleles for orange and red eyes are codominant. D This is an example of sex linkage.

Question

The diagram shows a section of a flower that has been cross-pollinated. Which statements about this flower are correct? 1 The pollen produced by this flower will be genetically different from the pollen on the stigma. 2 The pollen was carried to the stigma by wind. 3 This flower is insect-pollinated because the stigma is enclosed by the petals. 4 The pollen was produced by another flower on the same plant. A 1, 2 and 4 B 1 and 3 C 3 only D 2 and 4 only

Question

A woman with normal colour vision is a carrier for the colour blindness allele (XBXb). She has a male child with a man who has normal colour vision (XBY). What is the chance of the male child being colour-blind? A 0% B 25% C 50% D 100%

Question

Sickle cell anaemia is a genetic disorder which results in severe illness in homozygous individuals. In some human populations, being heterozygous can be beneficial. What could be the reason for this? A Heterozygous individuals are not affected by the disorder. B Heterozygous individuals are more resistant to malaria. C The disorder is caused by a dominant allele. D The disorder is sex-linked.

Question

Which statement about selective breeding is correct? A It does not involve humans. B It involves a struggle for survival. C It always involves only one parent. D It involves parents that possess desirable features.

Question

What is the name of an organism that obtains its energy from dead organic material? A carnivore B consumer C decomposer D herbivore

Question

A herd of red deer live in a forest that contains snakes and a large variety of birds. Which group of organisms is an example of a population? A all the animals in the forest B all the red deer in the forest C all the organisms in the forest D all the plants in the forest

Question

With which kingdoms do bacteria share the same genetic code? A animal, plant, fungus and protoctist B animal, plant and fungus only C animal and plant only D animal only

Question

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

Question

What is a reason for conserving plant species? A to absorb oxygen from the air B to decrease rainfall C to obtain drugs for medicinal use D to release carbon dioxide into the air

Question

The food web shows the feeding relationships in a woodland. sparrowhawks chaffinches grey wood squirrels pigeons caterpillars trees If all the chaffinches in the food web die, which effect would this have? A The amount of damage to trees will increase. B The food supply for grey squirrels will increase. C The number of wood pigeons will increase. D The population of caterpillars will decrease. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge Assessment International Education Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cambridgeinternational.org after the live examination series.