Biology 0610/13 October/November 2021: question paper and mark scheme

Question

An Amoeba is a single-celled organism. The diagram shows an Amoeba engulfing a food particle. Amoeba food particle Which characteristics of living organisms are shown? A excretion, movement and nutrition B excretion, nutrition and sensitivity C movement, nutrition and sensitivity D movement, reproduction and sensitivity

Question

The binomial names for five different species are listed. 1 Calluna vulgaris 2 Garra rufa 3 Primula veris 4 Primula vulgaris 5 Vespula rufa Which species belong to the same genus? A 1 and 4 B 2 and 5 C 3 and 4 D 1 and 5

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

The diagram shows two guard cells. Which label is correct? A cell membrane B cell wall C vacuole D cytoplasm

Question

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

Question

A student draws a root hair cell. The actual length of the cell is 0.8 mm and the drawing of the cell is 80 mm long. What is the magnification of the student’s drawing? A ×0.001 B ×0.01 C ×10 D ×100

Question

In which diagram would oxygen diffuse into the cell? A B high oxygen low oxygen high oxygen high oxygen concentration concentration concentration concentration in the cell outside of the cell in the cell outside of the cell cell membrane cell membrane C D low oxygen low oxygen low oxygen high oxygen concentration concentration concentration concentration in the cell outside of the cell in the cell outside of the cell cell membrane cell membrane

Question

Which statement about the role of the pressure of water in supporting plants is correct? A The pressure of water inside the cells presses inwards on the cell wall. B The pressure of water outside the cells presses inwards on the cell wall. C The pressure of water inside the cells presses outwards on the cell wall. D The pressure of water outside the cells presses outwards on the cell wall.

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

The diagram shows a section through a leaf. K L M N What are structures K, L, M and N? K L M N A cuticle phloem xylem spongy mesophyll B cuticle xylem phloem spongy mesophyll C xylem phloem spongy mesophyll cuticle D xylem spongy mesophyll cuticle phloem

Question

Which element is present in all amino acids? A iron B magnesium C calcium D nitrogen

Question

A deficiency of which nutrient can cause scurvy? A calcium B iron C vitamin C D vitamin D

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

Which part of the alimentary canal produces an enzyme that digests proteins? B A C D

Question

By which method is water absorbed by root hair cells? A active transport B evaporation C osmosis D transpiration

Question

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

Question

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

Question

The diagram shows the external structure of the human heart. Which label identifies a coronary artery? A B C D

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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

The diagram shows an alveolus. air in and out alveolus X capillary Which gas is represented by the pathway shown by arrow X? A air B carbon dioxide C oxygen D water vapour

Question

The table shows some facts about aerobic respiration. Which row is correct? nutrient oxygen energy molecules A broken down released released B broken down used released C built up released required D built up used required

Question

Which word equation represents anaerobic respiration in yeast cells? A glucose → alcohol + carbon dioxide B glucose + oxygen → carbon dioxide + water C glucose → lactic acid D glucose → alcohol

Question

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

Which part of the eye changes in size in response to changes in light intensity? A cornea B lens C pupil D retina

Question

A scientist investigated how the human body reacts to temperature. Which row shows the expected responses when the environmental temperatures are 0 °C and 40 °C? 0 °C 40 °C A sweating no response B sweating shivering C no response sweating D shivering sweating

Question

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 statement is the definition of the term drug? A a substance produced in the body to stimulate hormonal reactions B a substance produced by white blood cells to kill bacteria C a substance taken into the body that modifies or affects chemical reactions D a substance produced in the body which alters the activity of one or more specific target organs

Question

Which statement describes a structural adaptation of wind-pollinated flowers? A They have long filaments so that the anthers hang outside of the flower. B They have round, sticky sepals to trap pollen grains. C Their large petals protect the stigma. D Their stamens are feathery so there is a large surface area.

Question

What is the correct order of structures through which human sperm must pass in order to fertilise an egg cell? A sperm duct → testes → cervix → vagina → urethra → uterus → oviduct B sperm duct → testes → urethra → vagina → cervix → oviduct → uterus C testes → sperm duct → urethra → vagina → cervix → uterus → oviduct D testes → sperm duct → vagina → urethra → uterus → oviduct → cervix

Question

Which pair of birth control methods are chemical methods of preventing pregnancy? A cervical mucus and diaphragm B contraceptive pill and monitoring body temperature C femidom and vasectomy D IUD and IUS

Question

Which process occurs in asexual reproduction? A fertilisation B meiosis C mitosis D pollination

Question

A condition called polydactyly gives a person extra fingers or toes. One type of polydactyly is caused by a dominant allele. A man who is homozygous recessive for the condition marries a woman who is heterozygous for the condition. What is the probability that their first child will have polydactyly? A 25% B 50% C 75% D 100%

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

What is the initial source of energy input into most biological systems? A light B water C oxygen D heat

Question

Which combination of factors would cause the greatest reduction in the population growth of an animal species? disease food source predators A decrease decrease decrease B increase decrease increase C decrease increase decrease D increase increase increase

Question

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

Question

Three statements about the bacteria that are used in biotechnology and genetic engineering are listed. 1 They can convert simple molecules into more complex ones. 2 They can only reproduce very slowly. 3 Their genetic material can be changed. Which statements are correct? A 1 and 2 B 2 only C 1 and 3 D 3 only

Question

What is meant by a sustainable resource? A a resource that is produced by non-intensive farming and is rarely used B a resource that is removed from a habitat without changing the environment C a resource that does not pollute the environment D a resource that is produced as rapidly as it is removed from the environment