Biology 0610/11 May/June 2023: question paper and mark scheme

Question

What are characteristics of all organisms? A egestion and excretion B egestion and nutrition C excretion and nutrition D excretion and photosynthesis

Question

The scientific name for the golden eagle is Aquila chrysaetos. What is the genus of the golden eagle? A Aquila B chrysaetos C eagle D golden

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The diagram shows four arthropods. Pediculus ×20 Anopheles ×10 Dermacentor ×7 Carcinus ×0.5 How many of these arthropods are insects? A 1 B 2 C 3 D 4

Question

Which row shows structures that are present in both root hair cells and palisade mesophyll cells? cell wall chloroplasts cytoplasm vacuole A key B = present C = absent D

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The diagram shows a cell at ×1500 magnification. 0 1 2 3 4 5 6 7 8 9 10 cm What is the actual size of the cell? A 0.003 mm B 0.03 mm C 33 mm D 333 mm

Question

The diagram shows a test-tube containing clear jelly. A drop of blue ink is injected into the middle of the jelly. clear jelly drop of blue ink The blue colour of the ink spreads throughout the jelly. By which process does the blue ink spread through the jelly? A active transport B catalysis C diffusion D osmosis

Question

The diagram shows some of the apparatus used in an osmosis investigation. dialysis tubing bag containing sucrose distilled water solution In this investigation a dialysis tubing bag was filled with sucrose solution, sealed and weighed. The dialysis tubing bag was then immersed in distilled water for one hour. After one hour the dialysis tubing bag was removed from the beaker, the surface was dried and the bag was reweighed. Which row explains what will happen during the investigation? mass of the dialysis tubing bag at the net movement of net movement of end of the sucrose molecules water molecules investigation A decreased none out of the bag B decreased into the bag out of the bag C increased none into the bag D increased out of the bag into the bag

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Which row describes active transport of ions? requires energy direction of movement of ions from respiration A from high concentration to low concentration yes B from low concentration to high concentration no C from high concentration to low concentration no D from low concentration to high concentration yes

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The diagram shows part of a protein molecule. X What does X represent? A amino acid B fatty acid C glycerol D sugar

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What is true of all enzymes? they are most they are sugars effective at pH 7 A key B = yes C = no D

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What is the substrate for enzyme X? enzyme X A B C D

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An experiment is set up to investigate gas exchange in aquatic plants. hydrogencarbonate indicator solution light aquatic plant The hydrogencarbonate indicator solution is orange at the start. Which colour is it after three hours? A blue-black B orange C purple D yellow

Question

How are most leaves adapted for photosynthesis? A They have a large surface area and are thick. B They have a large surface area and are thin. C They have a small surface area and are thick. D They have a small surface area and are thin.

Question

The haemoglobin concentration in the blood of a person is 80 g / dm3. The accepted normal concentration is 120 g / dm3 or above. Which substance may be lacking in their diet? A calcium B fats C fibre D iron

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Which statement about physical digestion is correct? A It increases the surface area of food. B It involves enzymes. C It takes place in the mouth only. D It produces smaller molecules.

Question

Solid food enters the mouth at P and enters the oesophagus at Q. P Q How does the food at Q differ from the food at P? A It contains less fibre. B It contains less water. C It contains less protein. D It contains less starch.

Question

Which row shows the functions of xylem and phloem? transports transports transports amino acids mineral ions sucrose A phloem xylem phloem B xylem xylem phloem C xylem phloem xylem D phloem phloem xylem

Question

What is the effect on a plant of not having any root hairs? A The plant absorbs less water from the soil. B The plant absorbs more water from the soil. C The plant loses water to the soil. D The plant loses mineral ions to the soil.

Question

Which statements describe how the structures in the circulatory system function? 1 a muscular pump to push blood into vessels 2 valves to ensure one-way blood flow 3 veins to take blood away from the heart 4 vessels to return blood to the heart A 1, 2 and 3 B 1, 2 and 4 C 1, 3 and 4 D 2, 3 and 4

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The diagram shows a section through the heart. Which part is the septum? B C A D

Question

What is an example of good personal hygiene in the kitchen? A cooking food at a high temperature B disposing of waste food in sealed containers C storing uncooked meat in a fridge D washing hands before eating food

Question

What is the pathway of expired air as it travels out of the body? A alveoli → trachea → bronchiole → bronchi B alveoli → bronchiole → bronchi → trachea C trachea → alveoli → bronchiole → bronchi D trachea → bronchi → bronchiole → alveoli

Question

The diagram shows the activity of some yeast cells in a sugar solution. sugar solution gas bubble yeast cells limewater Which statement explains what happens to the limewater? A The limewater changes from colourless to cloudy due to the presence of carbon dioxide. B The limewater changes from colourless to cloudy due to the presence of oxygen. C The limewater changes from cloudy to colourless due to the presence of carbon dioxide. D The limewater changes from cloudy to colourless due to the presence of oxygen.

Question

What is the word equation for aerobic respiration? A carbon dioxide + water → glucose + oxygen B glucose + oxygen → carbon dioxide + water C glycogen + oxygen → carbon dioxide + water D water + oxygen → glucose + carbon dioxide

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Which part of the body excretes urea, excess water and excess ions? A gall bladder B heart C kidney D lungs

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The diagram shows the kidneys and associated organs. Which label is the ureter? A B C D

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What is the name of the junction between two neurones? A effector B receptor C gland D synapse

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Which statement about adrenaline is correct? A It decreases the heart rate. B It decreases the diameter of the pupil. C It increases the breathing rate. D It is made in the pancreas.

Question

Which words complete the statements? Plant growth towards light is called ……1…… . When a plant shoot grows towards a light source, it is showing a ……2…… to light. Light acts as the ……3…… . 1 2 3 A movement response stimulus B movement stimulus response C phototropism response stimulus D phototropism stimulus response

Question

Which statements about antibiotics are correct? 1 Antibiotics can be used to treat bacterial infections. 2 Antibiotics can be used to treat viral infections. 3 Antibiotics are not effective against resistant bacteria. A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

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Which statement about sexual reproduction is correct? A Fertilisation is involved. B Zygotes fuse. C Offspring are always genetically identical. D One female gamete fuses with many male gametes.

Question

Which row about asexual reproduction is correct? offspring offspring number of identical to identical to parents parents each other A one no yes B one yes yes C two no no D two yes no

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What is defined as a length of DNA that codes for a protein? A amino acid B antibody C chromosome D gene

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A man has three sons. What is the chance of his next child being a daughter? A 0% B 25% C 50% D 100%

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Which term is a genetic change? A allele B genotype C mutation D phenotype

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The diagram shows energy flow from the Sun, through a food chain and into the environment. Sun 1 2 plant animal animal What is the form of energy for each numbered arrow? stage 1 stage 2 A heat chemical B heat kinetic C light chemical D light kinetic

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In a pyramid of numbers, what does the top of the pyramid represent? A carnivores B decomposers C herbivores D Sun

Question

A few yeast cells were placed in a container of nutrient solution. The graph shows how their population size changed over time. 3 population 4 size 2 1 time Which row shows when the reproduction rate was greater than the death rate for the numbered phases on the graph? reproduction rate greater than death rate 1 2 3 4 A key B = yes C = no D

Question

The bloodworm is an organism that is found in heavily polluted water. The diagram shows where raw sewage flows into a river. Where would there be fewest bloodworms? input of raw sewage A C D B direction of flow

Question

Which statement about genetic modification is correct? A It involves choosing which individual organisms are used for breeding. B It is always done using genes from the same species. C It produces a new combination of genes. D It produces exact copies of individual organisms.