Biology 0610/13 May/June 2021: question paper and mark scheme

Question

What is a characteristic of all living organisms? A breathing B circulation C egestion D sensitivity

Question

Which statement about the binomial naming system is correct? A It is used for naming animal species but not plant species. B It is an internationally agreed scientific naming system. C The name of a species is different in different countries. D The name consists of one or two words.

Question

Scientists discover a new species of animal. It has a segmented body with two pairs of legs on each segment. To which group of animals does this new species belong? A arachnids B crustaceans C insects D myriapods

Question

In which part of a cell does photosynthesis take place? A vacuole B nucleus C chloroplast D cytoplasm

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The diagram shows some of the blood vessels and other structures in the human body. The blood vessels shown are all parts of the same A cell. B organ. C organ system. D tissue.

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A photograph shows a plant cell nucleus measuring 2 mm across. If the magnification of the cell is ×500, what is the actual size of the nucleus? A 0.00002 mm B 0.004 mm C 0.04 mm D 250 mm

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By which process do oxygen and carbon dioxide move between cells and capillaries? A breathing B diffusion C excretion D respiration

Question

Some students investigated osmosis. They placed some dried fruit into a beaker of distilled water. The mass of the fruit was measured at regular intervals during a 24-hour period. Which graph shows the results? A B mass of mass of fruit fruit time time C D mass of mass of fruit fruit time time

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Which element is found in proteins but not carbohydrates? A carbon B hydrogen C nitrogen D oxygen

Question

Starch is digested by amylase in the mouth, but it is not digested in the stomach. What is the reason for this? A All starch digestion is completed in the mouth. B The pH in the stomach is not suitable for the amylase to work. C The starch does not stay in the stomach long enough to be digested. D The temperature in the stomach is not suitable for the amylase to work.

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Which type of molecule are enzymes made of? A carbohydrate B fat C protein D vitamin

Question

A plant with striped leaves was kept in bright light for six hours. white stripe green stripe A leaf was taken from the plant and the chlorophyll was removed. The leaf was then tested for starch using iodine solution. Which diagram shows the result of the test? A B C D yellow-brown white blue-black yellow-brown blue-black blue-black green green

Question

Which photomicrograph of the leaf section has been correctly labelled? A B cuticle upper epidermis palisade mesophyll spongy mesophyll spongy palisade mesophyll mesophyll C D cuticle upper epidermis spongy palisade mesophyll mesophyll palisade spongy mesophyll mesophyll

Question

In humans, where does most of the absorption of digested food take place? A colon B kidney C liver D small intestine

Question

What is the cause of the start of dental decay? A Acid dissolves dentine. B Acid dissolves enamel. C Sugars dissolve dentine. D Sugars dissolve enamel.

Question

Which statement correctly identifies the enzyme and the products of fat digestion? A Fats are digested by lipase to form amino acids and glycerol. B Fats are digested by lipase to form fatty acids and glycerol. C Fats are digested by protease to form amino acids. D Fats are digested by protease to form fatty acids and glycerol.

Question

The diagram shows one of the stomata of a leaf, and some of the cells that are near it. X mesophyll cell guard Y cell During transpiration, what describes the movement of water at X and at Y? movement of movement of water at X water at Y A evaporation diffusion B evaporation osmosis C osmosis diffusion D osmosis osmosis

Question

A plant shoot is placed in a solution of dye. The dye moves up the stem. Under which conditions will the dye move most slowly? temperature humidity A high high B high low C low high D low low

Question

Through which blood vessels does blood flow into the heart? 1 pulmonary artery 2 pulmonary vein 3 vena cava 4 aorta A 1 and 2 B 1 and 4 C 2 and 3 D 2 and 4

Question

The diagram shows a cross-section through a human blood vessel. elastic and fibrous connective tissue muscle layer Which type of blood vessel does the diagram show? A an artery B a capillary C a vein D a ventricle

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What is a function of some white blood cells? A to carry glucose B to carry oxygen C to produce antibiotics D to produce antibodies

Question

The diagrams show the depth and rate of breathing in a person at 12:00 and 13:00. 12:00 13:00 0.5 dm3 volume volume 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 time / seconds time / seconds What happens to the person’s breathing between 12:00 and 13:00? depth rate of breathing of breathing A decreases decreases B decreases increases C increases decreases D increases increases

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Which statement applies to respiration? A It involves enzymes. B Energy is absorbed. C It only takes place in animal cells. D Oxygen is released.

Question

The table shows some products of respiration. Which row shows the products of anaerobic respiration in muscles? alcohol carbon dioxide lactic acid water A key B = yes C = no D

Question

A student carried out an experiment to investigate the effect of temperature on the volume of urine produced. Which row shows the experiment where the environmental temperature was increased from 20 °C to 40 °C but no other changes were made? urine produced / cm3 per hour before after A 60 60 B 80 40 C 120 145 D 100 130

Question

A student’s eyes blinked as a ball flew past their head. This is a reflex action. Which row describes the reaction shown by the student? A a fast reaction involving the endocrine system B a fast reaction involving the nervous system C a slow reaction involving the endocrine system D a slow reaction involving the nervous system

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What type of cell must an organ contain to detect a stimulus? A blood B receptor C skin D xylem

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The diagram shows the position of the kidneys in a human. Each kidney has an endocrine gland above it. endocrine glands kidneys Which glands are shown? A adrenal glands B ovaries C pancreas D testes

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Why are people advised not to drive a car after drinking an excessive quantity of alcohol? A Alcohol is a depressant. B Alcohol is a stimulant. C Alcohol decreases reaction time. D Alcohol is addictive.

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Which statement about the process of asexual reproduction is correct? A It produces genetically different offspring. B It requires two parents. C It produces gametes. D It requires only one parent.

Question

Scientists studied the effect on infant birthweight of mothers smoking tobacco. They compared their findings with the birthweights of infants from non-smoking mothers. The results are shown in the bar chart. 15 10 percentage of infants with low birthweight 5 0 tobacco non-smoking smoking mothers mothers Which statement describes what this bar chart shows? A 15% of infants born to mothers who smoke have a low birthweight. B Mothers who smoke have 5% more low birthweight infants than non-smoking mothers. C Non-smoking mothers have 10% fewer low birthweight infants than smoking mothers. D Tobacco smoking is the only factor that has an effect on birthweight.

Question

Changes occur in a boy’s body at puberty; his height increases, more muscle develops and body hair grows. Which hormone stimulates these changes? A adrenaline B insulin C oestrogen D testosterone

Question

By which process is genetic information transmitted from generation to generation? A inheritance B mitosis C meiosis D variation

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Some reptiles can lose and regrow their tails to avoid predation. Which process occurs to regrow the tail? A digestion B fertilisation C meiosis D mitosis

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What is an adaptive feature of an organism? A any feature that is not changed by the environment B any inherited feature that helps an organism to survive and reproduce C any feature that shows discontinuous variation D any inherited feature that an organism has

Question

The diagram shows the energy flow through part of a biological system. 1 dandelion rabbit hawk plant What should be in the box labelled 1? A heat B consumer C producer D the Sun

Question

Human activities are changing the carbon dioxide concentration in the atmosphere. Which activities will increase the carbon dioxide concentration in the atmosphere? 1 burning fossil fuels 2 burning cut-down trees 3 fossilisation of cut-down trees 4 planting replacement trees A 1 and 2 B 1 and 3 C 2 and 4 D 3 and 4

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Which description of a population is correct? A all the birds in a rainforest B all the arachnids in a garden C all the arthropods in the world D all the red deer in a forest

Question

What is an example of genetic engineering? A the addition of vitamins to food to increase the nutritional benefits B the breeding of sheep with thick wool by choosing animals with desired characteristics C the insertion of genes into crop plants to make them resistant to insect pests D the production of biofuels by yeast cells

Question

What happens when deforestation takes place? A The number of habitats is increased. B The number of species becoming extinct is increased. C The possibility of flooding is decreased. D The volume of soil present is increased.