Biology 0610/11 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

The scientific names of some animals are listed. 1 Camelus dromedarius 2 Camelus ferus 3 Equus ferus 4 Struthio camelus Which animals are in the same genus? A 1, 2 and 3 B 1, 2 and 4 C 1 and 2 only D 2 and 3 only

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

The diagram shows a single-celled organism called Euglena. cytoplasm cell membrane nucleus large permanent vacuole chloroplasts Which labelled structures would also be found in an animal cell? A cell membrane, chloroplast, nucleus B chloroplast, cytoplasm, nucleus C cell membrane, cytoplasm, nucleus D cell membrane, cytoplasm, large permanent vacuole

Question

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.

Question

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

Question

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

Question

A cylinder of potato tissue was placed in a beaker of very salty water. After one hour the mass of the potato cylinder had decreased. Why did this happen? A Salt entered the plant tissue by active transport. B Salt left the plant tissue by osmosis. C Water entered the plant tissue by active transport. D Water left the plant tissue by osmosis.

Question

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.

Question

Which statement describes a catalyst? A a substance that decreases the rate of a chemical reaction and is not changed by the reaction B a substance that decreases the rate of a chemical reaction and is changed by the reaction C a substance that increases the rate of a chemical reaction and is changed by the reaction D a substance that increases the rate of a chemical reaction and is not changed by the reaction

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

The diagram shows a section through the leaf of a plant. Which label shows a palisade mesophyll cell? A B C D

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 are the products when proteins are broken down? A amino acids B fatty acids C glycerol D simple sugars

Question

Where does most of the absorption of water take place in the alimentary canal? A colon B oesophagus C small intestine D stomach

Question

The diagram shows part of a cross-section of a root. 2 1 3 What are cells 1, 2 and 3? 1 2 3 A root cortex cell root hair cell mesophyll cell B root hair cell root cortex cell xylem C root hair cell root cortex cell mesophyll cell D root cortex cell root hair cell xylem

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

What are the main vessels carrying blood to and from the kidney? to kidney from kidney A pulmonary artery pulmonary vein B pulmonary vein pulmonary artery C renal artery renal vein D renal vein renal artery

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

Question

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

Question

The list shows some processes that take place in a human body. 1 production of new red blood cells 2 transmission of nerve impulses from the eyes to the brain 3 diffusion of gases into and out of the lungs Which processes use energy released by respiration? A 1 and 2 only B 1 and 3 only C 2 and 3 only D 1, 2 and 3

Question

What is produced by anaerobic respiration in humans? alcohol carbon dioxide lactic acid A key B = yes C = no D

Question

Which statement about urea is correct? A Urea is formed from excess amino acids in the kidneys and excreted by the liver. B Urea is formed from excess glucose in the liver and egested by the kidneys. C Urea is formed from excess glucose in the kidneys and egested by the liver. D Urea is formed from excess amino acids in the liver and excreted by the kidneys.

Question

What is the sequence of neurones connecting a receptor to an effector in a reflex arc? A motor → relay → sensory B motor → sensory → relay C sensory → motor → relay D sensory → relay → motor

Question

What controls how much light enters the eye? A B D C

Question

Which row matches each hormone to its function? causes the growth reduces blood repairs the widens of facial hair glucose concentration lining of the uterus the pupils A oestrogen insulin testosterone adrenaline B oestrogen insulin insulin testosterone C testosterone adrenaline insulin oestrogen D testosterone insulin oestrogen adrenaline

Question

Scientists carried out a survey on the effect of giving up smoking on the risk of developing lung cancer. The results are shown in the graph. continued smoking 15 percentage 10 cumulative risk of developing lung cancer stopped smoking at 60 years of age 5 stopped smoking at 30 years of age 0 never smoked 45 55 65 75 age, in years, of people surveyed The scientists made three conclusions: 1 Stopping smoking reduces the risk of developing lung cancer. 2 Age increases the risk of lung cancer for smokers and non-smokers. 3 The earlier people stop smoking, the lower the risk. Which conclusions are correct? A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

Question

A gardener wants to produce many genetically identical plants from a single plant. The diagram shows different methods of growing new plants. 1 planting seeds 2 runners 3 stem cuttings Which methods will produce plants that are genetically identical to the parent plant? A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only

Question

Which structure in the male reproductive system makes the fluid for sperm to swim in? A penis B scrotum C prostate gland D testis

Question

The graph shows a woman’s body temperature during the menstrual cycle. 37 body temperature / °C 36 menstruation 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 day On which days is the woman most likely to become pregnant? A days 0–5 B days 6–12 C days 13–18 D days 19–28

Question

What is the transmission of genetic information from generation to generation called? A fertilisation B inheritance C meiosis D reproduction

Question

Which diagram shows the results of the process of mitosis? A B C D

Question

The graph shows the distribution of blood groups in one area. 60 50 40 percentage 30 of population 20 10 0 AB A B O blood group This is an example of discontinuous variation. Which statement about discontinuous variation is correct? A There is a range of genotypes between two extremes. B There is a range of phenotypes between two extremes. C There are intermediates between the phenotypes. D There are no intermediates between the phenotypes.

Question

The diagram shows a food web in a desert. hawks desert foxes large lizards desert snakes small lizards kangaroo rats desert plants Which organisms are all secondary consumers? A desert foxes, hawks, large lizards and desert snakes B desert foxes and hawks only C kangaroo rats and small lizards D large lizards and desert snakes only

Question

The diagram shows stages in the water cycle. X Which process is represented by the letter X? A condensation B evaporation C precipitation D transpiration

Question

What is an example of a population? A all the arthropods in a pond B all the crocodiles in a river C all the plants in a wood D all the zebras that lived from 1990–2010

Question

What is a use of pectinase in the food industry? A to extract juice from fruit B to make biofuels C to make biological washing powders D to make bread rise

Question

Which factors are believed to have contributed to the rise in sea levels? A pollution of the air by carbon dioxide only B pollution of the air by carbon dioxide and methane C pollution of the sea by plastics only D pollution of the sea by insecticides and nuclear fall-out