Biology 0610/11 October/November 2022: question paper and mark scheme

Question

Which process provides an organism with the raw materials needed for tissue repair? A excretion B growth C nutrition D respiration

Question

Which name is given to a group of individuals that can reproduce to produce fertile offspring? A a genus B a kingdom C a species D an organ system

Question

An animal has four legs, hair and a tail. To which group of vertebrates does it belong? A amphibians B birds C mammals D reptiles

Question

Root hair cells are found on plant roots. Which feature is present in a root hair cell but not in a sperm cell? A cell membrane B cell wall C chloroplasts D cytoplasm

Question

The diagram shows a cross-section of part of a leaf. Which type of cell carries out the most photosynthesis? B A C D

Question

A plant cell is viewed using a microscope with a magnification of ×500. The image of the cell has a width of 20 mm. What is the actual width of the cell? A 0.04 mm B 0.2 mm C 4 mm D 25 mm

Question

Particles can move into and out of cells by diffusion. Which statement about diffusion is correct? A Particles move from a region of lower concentration to a region of higher concentration. B Particles only move into cells by diffusion. C The net movement of particles is against a concentration gradient. D The process involves the random movement of particles.

Question

Potato cylinders were put into different concentrations of sucrose solution for the same amount of time. The masses of the potato cylinders were measured before and after being immersed in the solutions. The results are recorded in the table. Which potato cylinder was put into the solution with the highest sucrose concentration? mass before mass after percentage immersion immersion change in /g /g mass A 1.95 1.92 –1.5 B 2.05 1.95 –4.9 C 2.10 2.13 +1.4 D 2.25 2.20 –2.2

Question

Which chemical is used to test for the presence of protein in a food sample? A Benedict’s solution B biuret solution C DCPIP D iodine solution

Question

Which description of an enzyme-catalysed reaction is correct? A The substrate binds to an enzyme with the same shape and a product is formed. B The product binds to an enzyme with the same shape and a substrate is formed. C The product binds to an enzyme with a complementary shape and a substrate is formed. D The substrate binds to an enzyme with a complementary shape and a product is formed.

Question

The graph shows the effect of temperature on the activity of an enzyme. enzyme activity 0 10 20 30 40 50 60 70 80 temperature / °C At which temperature is the enzyme most active? A 15 °C B 25 °C C 35 °C D 60 °C

Question

The substances listed are found in the leaf of a plant. Which substance is obtained from the soil? A carbon dioxide B chlorophyll C glucose D mineral ions

Question

Which row shows what is needed for photosynthesis? carbon chlorophyll light oxygen dioxide A yes yes yes no B yes no yes yes C no no no yes D no yes no no

Question

Which organ secretes hydrochloric acid? B A C D

Question

Which statements correctly describe the process of dental decay? 1 Food and bacteria coat the teeth. 2 The bacteria use the sugar in the food for respiration. 3 The bacteria produce acids. 4 The sugar dissolves the enamel. A 1 and 2 only B 2 and 3 only C 3 and 4 D 1, 2 and 3

Question

A piece of bread begins to taste sweet when it is mixed with saliva and chewed for several minutes. Which substance in saliva causes this change? A amylase B hydrochloric acid C lipase D protease

Question

The diagram shows a bean seedling soon after it has germinated. Where is most water absorbed? A B C D

Question

Which process occurs during transpiration? A evaporation of water from the xylem B loss of water by osmosis from the guard cells C movement of water vapour through the spongy mesophyll by active transport D movement of water vapour through the stomata by diffusion

Question

The diagram shows the outside of a human heart. Which structure is a coronary artery? A B C D

Question

The diagram shows a section of a human vein. X What is the function of the part labelled X? A to make sure the blood flows to the heart B to make sure the blood flows to the kidneys C to make sure the blood flows to the brain D to make sure the blood flows to the lungs

Question

Campylobacter is a bacterium that can cause food poisoning. Which word describes Campylobacter? A antibody B disease C pathogen D symptom

Question

What is the approximate percentage of oxygen in expired air? A 0.04% B 4% C 16% D 21%

Question

Which row shows processes that all use energy from respiration? passage cell muscle active diffusion osmosis of nerve division contraction transport impulses A B C D key = uses energy from respiration = does not use energy from respiration

Question

What is the word equation for anaerobic respiration in yeast? A glucose → alcohol + carbon dioxide B glucose → alcohol C glucose → lactic acid + carbon dioxide D glucose → lactic acid

Question

Which substances are excreted from the human body? 1 carbon dioxide 2 urea 3 water A 1 and 2 only B 1 and 3 only C 1, 2 and 3 D 2 and 3 only

Question

What is the order of structures that a nerve impulse travels through during a reflex action? A effector → neurones → receptor B receptor → neurones → effector C neurones → effector → receptor D receptor → effector → neurones

Question

Which structure can reduce how much light enters the eye? A B C D

Question

The diagram shows a section through human skin. X Y Z What are the structures labelled X, Y and Z? X Y Z A receptor sweat gland hair erector muscle B receptor hair erector muscle sweat gland C sweat gland receptor hair erector muscle D sweat gland hair erector muscle receptor

Question

A disease cannot be treated with antibiotics. What could be the reasons for this? 1 It is not a bacterial disease. 2 The pathogen is a virus. 3 The patient has become resistant to the antibiotic. A 1 and 2 only B 1 and 3 only C 2 and 3 only D 1, 2 and 3

Question

Which statement explains the increased risk of having an accident after consuming excessive alcohol? A Alcohol can be addictive. B Alcohol increases self-control. C Alcohol increases reaction time. D Alcohol decreases reaction time.

Question

The table shows the conditions that four samples of seeds were kept in. Which sample would germinate? water oxygen A present absent B absent absent C present present D absent present

Question

The diagram shows a cross-section of a flower. 1 2 4 3 During pollination, which labelled structure releases the pollen and which labelled structure receives the pollen? releases pollen receives pollen A 4 1 B 3 4 C 1 2 D 2 3

Question

What is a natural method of birth control? A contraceptive pill B diaphragm C monitoring cervical mucus D vasectomy

Question

Which row shows the results of meiosis? cells produced are gametes produced A genetically different no B genetically different yes C genetically identical no D genetically identical yes

Question

In a species of plant, the allele for red flower colour, R, is dominant to the allele for yellow flower colour, r. What would be the flower colour of the offspring of a cross between a parent with the genotype Rr and a parent with the genotype rr? A 100% red B 75% red and 25% yellow C 50% red and 50% yellow D 25% red and 75% yellow

Question

What is needed for natural selection to take place? A excess resources for the population B no variation within a population C reproduction by individuals that are better adapted to the environment than others D selection by humans of organisms with desired characteristics

Question

The diagram shows a woodland food web. fox stoat owl rabbit mouse grass Which organisms are secondary consumers? A fox and owl B fox and stoat C mouse and rabbit D owl and stoat

Question

Which statement describes a population? A all the three-spined stickleback fish living in a lake B all the organisms living in a lake C all the fish living in a lake D all the three-spined stickleback fish that have ever lived in a lake

Question

Biological washing powders can remove stains from clothes. What must a washing powder contain, to remove an oil stain from a t-shirt? A amylase B lipase C pectinase D protease

Question

The diagram shows a sewage treatment process. X outlet sewage river screening air pump pump generator sludge processed sludge out What is structure X? A aeration tank B anaerobic tank C settlement tank D storage tank