Biology 0610/13 May/June 2023: question paper and mark scheme

Question

What are excretion, sensitivity and reproduction characteristics of? A all animals and all plants B animals only C plants only D some animals and some plants

Question

The photograph shows an organism. Which visible feature can be used to classify this organism as a bird? A feathers B lays eggs C two legs D wings

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The diagram shows an arthropod. Which features are characteristic of all arthropods? A jointed legs and segmented body B jointed legs and thorax C segmented body and wings D thorax and wings

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Which statement about cell structure is correct? A An animal cell has a cell wall. B A bacterium has a cell wall. C An animal cell has chloroplasts. D A bacterium has chloroplasts.

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The photograph shows a limpet. The length of line PQ on the image is 65 mm. P Q ×2.5 What is the actual diameter of the limpet along line PQ? A 2.6 mm B 19.5 mm C 26 mm D 195 mm

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By which process does oxygen pass out of a leaf? A diffusion B osmosis C egestion D transpiration

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A tuber from a potato plant was cut into pieces of identical length. The pieces of potato were placed in four different solutions for three hours. 1 pure water 2 a sugar solution that is less concentrated than the potato cell contents 3 a sugar solution that is more concentrated than the potato cell contents 4 a sugar solution that is the same concentration as the potato cell contents Which solutions will cause the pieces of potato to change in length? A 1, 2, 3 and 4 B 1, 2 and 3 only C 1 and 4 only D 2 and 3 only

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Which row shows the features of active transport? movement against movement of requires energy a concentration water molecules from respiration gradient only A key B = yes C = no D

Question

Four different foods were tested to find out what they contained. The results are shown in the table. Which food contains protein but not reducing sugar or starch? Benedict’s iodine biuret test solution test solution test A blue black purple B blue brown purple C brick-red black blue D brick-red brown blue

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What is a characteristic of all catalysts? A They are broken down in the reaction. B They are made in the pancreas. C They are not changed by the reaction. D They do not change the rate of the reaction.

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This sequence of diagrams shows how an enzyme works. Q Q Q R R S P P P Which labelled part is the active site? A P B Q C R D S

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Four test-tubes are set up as shown and left in bright sunlight. After several hours, which test-tube contains the most oxygen? A B C D aquatic aquatic plant plant water water water water aquatic aquatic animal animal

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Which statement about photosynthesis is correct? A Carbon dioxide and glucose are the raw materials. B Carbon dioxide and glucose are produced. C Oxygen and glucose are produced. D Oxygen and glucose are the raw materials.

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In humans, which two components of the diet can be broken down to release energy? A carbohydrate and fat B carbohydrate and mineral ions C protein and water D vitamins and protein

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Which is a part of the small intestine? A colon B ileum C oesophagus D rectum

Question

Which of these is digested by protease? A key B amino acid glucose C chemical bond D

Question

A stem was cut from a plant. The base of the stem was placed into a beaker containing water and a red stain for two hours. The diagram shows a cross-section of the plant stem. M L In which tissue will the red stain be found and what is the name of the tissue? red stain name of located in tissue A L phloem B L xylem C M phloem D M xylem

Question

Which pair of processes causes transpiration in plant leaves? at the surface of through the stomata mesophyll cells A absorption of water evaporation of water B absorption of water diffusion of water vapour C diffusion of water vapour evaporation of water D evaporation of water diffusion of water vapour

Question

The diagram shows a section of the human heart. Which label identifies the right ventricle? B A D C

Question

The diagrams show sections through three types of blood vessel. They are not drawn to the same scale. 1 2 3 In which order will red blood cells flow through these vessels in the human body when travelling from the aorta to the right atrium of the heart? A 1→2→3 B 1→3→2 C 2→3→1 D 3→1→2

Question

In some animals, gas exchange occurs through the skin. What are the most likely characteristics of the skin in these animals? surface area skin blood supply A large thick poor B large thin good C small thick poor D small thin good

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The diagram shows an alveolus and part of a blood vessel. The arrows show the direction of movement of gases. 1 3 2 Which arrows represent oxygen only and carbon dioxide only? carbon dioxide oxygen only only A 1 2 B 1 3 C 2 3 D 3 2

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Which row about aerobic respiration is correct? substrates products A glucose + carbon dioxide oxygen + water B glucose + carbon dioxide oxygen only C glucose + oxygen carbon dioxide + water D glucose only carbon dioxide + water

Question

What is a product of anaerobic respiration in yeast? A alcohol B glucose C oxygen D water

Question

Which part of the diagram of the excretory system is the urethra? A B C D

Question

The diagram shows seedlings in two experiments on the tropic response of seedlings to gravity and light. shoot shoot experiment 1 start of experiment 3 days later in the dark in the dark light from light from shoot one side one side shoot experiment 2 start of experiment 3 days later Which stimuli have the seedlings responded to? experiment 1 experiment 2 A gravity and light light only B gravity only gravity and light C gravity and light light only D light only gravity and light

Question

The diagram shows a wind-pollinated flower. V W X Y Which labels are the stigma and anther? A V and W B W and X C X and V D X and Y

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What is the process when a pollen nucleus fuses with the nucleus in an ovule? A fertilisation B germination C implantation D pollination

Question

During puberty, secretion of hormones causes the development of secondary sexual characteristics. What is a characteristic caused by the secretion of testosterone? A breast development B deepening of voice C start of the menstrual cycle D widening of hips

Question

Which type of organism causes AIDS? A bacterium B fungus C myriapod D virus

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The graph shows the frequency of a human characteristic, X. frequency X Which characteristics can be represented by X? blood height sex groups A key B = yes C = no D

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Which row shows some of the features involved in natural selection? humans choose alleles are many offspring desirable passed onto are produced features offspring A key B = yes C = no D

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Which statement is correct? A Chromosomes are made of DNA. B Chromosomes make up a gene. C Each chromosome is a length of DNA that codes for a protein. D Different forms of chromosomes are called alleles.

Question

In a species of mammal, black fur colour is dominant and brown fur colour is recessive. Two parents with black fur produce offspring which all have black fur. Later that year, the same parents produce more offspring. One of these offspring has brown fur. Which statement about fur colour is correct? A Both parents are heterozygous. B Only one of the parents is heterozygous. C Both parents are homozygous. D Only one of the parents is homozygous.

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What is an example of a characteristic that shows discontinuous variation in humans? A body mass B height C ABO blood groups D width of hand

Question

Where does the energy being transferred along a food chain originally come from? A producer B photosynthesis C carbon dioxide D the Sun

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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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The diagram shows a pyramid of biomass for all the organisms in an ecosystem. P Q R S Which organisms are carnivores? A P and Q B P and R C Q and R D R and S

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Three human activities are listed. 1 burning fossil fuels 2 deforestation 3 replanting forests Which activities can cause the change shown in the graph? concentration of carbon dioxide in the atmosphere time A 1, 2 and 3 B 1 and 2 only C 1 only D 2 and 3 only

Question

What is a reason for using bacteria in biotechnology? A Bacteria are found inside the human body. B Bacteria do not become resistant to antibiotics. C Bacteria can make complex molecules. D Bacteria reproduce slowly.