0610_w18_qp_33
A paper of Biology, 0610
Questions:
8
Year:
2018
Paper:
3
Variant:
3
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1
shows six different arthropods labelled A, B, C, D, E and F. not to scale A B C D E F State one feature that can be used to classify an animal as an arthropod. State one visible feature that arthropods A, B and C have that arthropods D, E and F do not have. State the letter of the organism in that is a crustacean. Give a reason for your answer. letter reason One of the drawings shows an arthropod named Araneus diadematus. This arthropod has a body in two segments and it has eight legs. State the letter of the organism in that shows Araneus diadematus. State the name of the group of arthropods that includes Araneus diadematus.
1. Characteristics and classification of living organisms  →  1.3. Features of organisms
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2
Arrange the structures in the list in increasing order of organisation, starting with the smallest structure. cell organism organ organ system tissue The first one has been done for you. cell The boxes on the left show different parts of a flowering plant. The boxes on the right are terms that describe different levels of organisation. Draw one straight line from each part of a flowering plant to the correct level of organisation. flower flowering plant palisade mesophyll root hair part of a flowering plant level of organisation cell organ organism organ system tissue
2. Organisation of the organism  →  2.1. Cell structure
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3
shows a food chain that is found in the sea. green alga sea snail not to scale crab starfish State the name of the producer in this food chain. Define the term producer. State the name of the secondary consumer in this food chain. State the name of the herbivore in this food chain. State what the arrows in a food chain represent. In some countries humans eat crabs. Explain how the over-harvesting of crabs could affect the other organisms in the food chain shown in .
19. Organisms and their environment  →  19.2. Food chains and food webs
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4
shows a photograph of an area where the trees have been cut down. State the name of the type of habitat destruction shown in . List three undesirable effects of habitat destruction. State three human activities, other than cutting down large areas of trees, that can cause habitat destruction. Describe how endangered species can be conserved. Human activity can cause pollution of the environment. Table 4.1 shows some pollutants, the environment they pollute and some of the effects. Complete Table 4.1. Table 4.1 pollutant environment effect of pollutant on the environment methane air herbicides kills non-targeted plants water increased growth of water plants
20. Human influences on ecosystems  →  20.2. Habitat destruction
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5
Coat colour in horses is controlled by genes. The allele for black coat (E) is dominant. The allele for red coat is recessive. Place ticks () in the table to show the coat colours of horses with each of the following genotypes. genotype black coat red coat EE Ee ee Modern horse breeds look very different to each other, but still belong to the same species. shows three different horse breeds. Thoroughbred Shetland Shire State the term used to describe the difference between individuals of the same species. Shire horses have been produced by selective breeding. They are strong and can pull heavy loads. Describe the process of selective breeding. Describe how natural selection differs from selective breeding.
18. Variation and selection  →  18.3. Selection
17. Inheritance  →  17.4. Monohybrid inheritance
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6
A factory uses biotechnology to process apples. Some of the apple juice is mixed with yeast and used to make ethanol. State the type of respiration in yeast that produces ethanol. State the name of the substance in apple juice that is converted to ethanol by yeast. The yeast uses enzymes to produce ethanol. Define the term enzyme. shows apparatus used to find the best temperature for making ethanol. yeast and apple juice stop-clock bubbles of gas water The same apparatus was used at different temperatures. The rate of ethanol production was compared by counting the number of bubbles of gas produced by the yeast and apple juice mixture per minute. State the name of the gas produced by the yeast in . The results of the investigation are shown in . rate of reaction / bubbles per minute temperature / °C Calculate the increase in the rate of reaction from 20 °C to 25 °C in . Space for working. bubbles per minute State the optimum temperature for the reaction shown in . °C The cut surface of an apple usually turns brown when exposed to air. This is caused by enzymes. Three slices of apple were given different treatments and were then exposed to air for 30 minutes. Table 6.1 shows the treatments and appearance of the apple slices. Table 6.1 apple slice pH temperature / °C appearance of the apple slice at 0 minutes appearance of the apple slice after 30 minutes A white brown B white white C white white Suggest why slice B and slice C did not turn brown after 30 minutes. slice B slice C The enzyme pectinase is used in industry for the production of apple juice. Explain why pectinase is used when making apple juice. Hygienic conditions are required in an apple juice factory. Describe three precautions workers should take to ensure that good food hygiene is maintained in the apple juice factory.
21. Biotechnology and genetic modification  →  21.2. Biotechnology
5. Enzymes  →  5.1. Enzymes
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8
shows some parts of the human body. A B C D E F G Use to complete Table 8.1. State the letter and the name of the part responsible for each function. Table 8.1 function letter in name of the part produces insulin produces hydrochloric acid produces urea State the letter of the part of the body where egestion occurs. State the function of hydrochloric acid in the body. Complete the sentences using words from the list. amino acids anus bladder fatty acids glucose rectum uterus ureter urethra You may use the words once, more than once or not at all. Urea is a waste product made from the breakdown of excess . Urea passes through the kidney and forms part of the urine. Urine leaves the kidney in the . This tube takes the urine to the where the urine is stored until it leaves the body. It leaves the body through the .
13. Excretion in humans  →  13.1. Excretion in humans
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