Biology 0610/12 October/November 2024: question paper and mark scheme

Question

Which type of cell moves mucus? A ciliated cell B egg cell C guard cell D root hair cell

Question

A student exposed a fly larva to light and temperature gradients. They lit the area from one side and made one side of the area warmer than the other. They traced the path of the fly larva’s movement. warm fly larva light dark cold path taken by the fly larva Which statement describes the response of the fly larva? A The fly larva does not respond to temperature or light intensity. B The fly larva moves away from a higher temperature and a higher light intensity. C The fly larva moves away from a higher temperature and towards a higher light intensity. D The fly larva moves towards a higher temperature and away from a higher light intensity.

Question

The table shows the scientific names and the common names of four plants. scientific name common name Althaea officinalis marsh mallow Hottonia palustris water violet Viola palustris marsh violet Viola tricolor wild pansy Which word is a genus name? A marsh B palustris C Viola D violet

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The diagram shows an arthropod. Which group does this arthropod belong to? A arachnid B crustacean C insect D myriapod

Question

The diagram shows a plant cell. Which letter indicates the location of the cell membrane? A B C D

Question

Which magnification formula is correct? A magnification = actual size ÷ image size B magnification = actual size + image size C magnification = image size ÷ actual size D magnification = image size × actual size

Question

A frog is an animal. The skin of a frog is permeable to oxygen and carbon dioxide. Which directions will have a net diffusion of oxygen and carbon dioxide when a frog swims in pond water? from the frog from the water into the water into the frog A carbon dioxide oxygen B carbon dioxide and oxygen no movement C oxygen carbon dioxide D no movement carbon dioxide and oxygen

Question

Which statement about plant support is correct? A The pressure of water inside the cells presses inwards on the cell walls. B The pressure of water inside the cells presses outwards on the cell walls. C The pressure of water outside the cells presses inwards on the cell walls. D The pressure of water outside the cells presses outwards on the cell walls.

Question

What is a correct statement about active transport? A Particles move into cells, using energy released by photosynthesis. B Particles move across a cell wall without using energy. C Particles move from a region of higher concentration to a region of lower concentration. D Particles move across a cell membrane, using energy released by respiration.

Question

A sample of food was tested with biuret reagent. Which colour would be seen if the food sample contained protein? A blue-black B brick red C yellow-brown D purple

Question

Which elements are found in fats? A carbon, hydrogen and iron B carbon, hydrogen and oxygen C carbon, hydrogen and nitrogen D carbon, oxygen and nitrogen

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Which statements about enzymes are correct? 1 Enzymes are biological catalysts. 2 Enzymes are carbohydrates. 3 Enzymes have an active site. A 1 and 2 B 1 and 3 C 2 and 3 D 3 only

Question

The equation for photosynthesis is shown. ……1…… + ……2…… → glucose + ……3…… Which words correctly complete gaps 1, 2 and 3? 1 2 3 A carbon dioxide light oxygen B carbon dioxide water oxygen C oxygen light carbon dioxide D oxygen water carbon dioxide

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Which carbohydrate is used to make cell walls? A cellulose B glycogen C starch D sucrose

Question

The diagram shows a cross-section of a leaf. X Y Z Which row shows the correct labels? palisade spongy stoma mesophyll cell mesophyll cell A X Y Z B X Z Y C Y X Z D Y Z X

Question

The table shows some of the nutrients found in yoghurt. content per 100 g nutrient of yoghurt / g carbohydrate 6.90 protein 4.80 fat 1.50 calcium 0.16 One serving size of yoghurt is 150 g. One of the nutrients in the yoghurt is required for healthy bones and teeth. What is the mass of this nutrient in one serving of yoghurt? A 0.24 g B 2.25 g C 7.20 g D 10.35 g

Question

The diagram shows the alimentary canal and some of the associated organs in a cat. The alimentary canal of a cat is similar to that of a human. 1 2 4 3 Which row identifies the structures labelled 1–4? 1 2 3 4 A oesophagus anus large intestine liver B oesophagus large intestine small intestine stomach C trachea anus large intestine stomach D trachea large intestine small intestine liver

Question

The diagram shows the four types of teeth in a human jaw. top view side view 3 3 1 4 2 1 4 2 Which row correctly identifies all four types of teeth? 1 2 3 4 A canine incisor molar premolar B canine molar incisor premolar C premolar incisor molar canine D premolar molar incisor canine

Question

What are the products of protein digestion in the stomach? A amino acids B fatty acids C glycerol D proteases

Question

Where is water absorbed? A colon and small intestine B large intestine only C gall bladder and colon D small intestine only

Question

The diagram shows a cross-section of a stem. R S Which statement correctly describes the location and function of phloem? A Structure R is phloem and transports amino acids and starch. B Structure S is phloem and transports amino acids and starch. C Structure R is phloem and transports amino acids and sucrose. D Structure S is phloem and transports amino acids and sucrose.

Question

Some environmental factors are listed. 1 carbon dioxide concentration 2 temperature 3 oxygen concentration 4 wind speed Which factors directly affect the rate of transpiration? A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

Question

The diagram shows part of a blood vessel. key direction of blood flow Which evidence in the diagram shows that it is a vein and not an artery? A There is a valve inside the blood vessel. B Blood is flowing in an upwards direction. C The blood vessel has a relatively small lumen. D The blood vessel has a relatively thick wall.

Question

The photomicrograph shows two blood cells. What is the function of these cells? A to carry out phagocytosis B to produce antibodies C to transport oxygen D to transport vitamins

Question

Which row matches a gas in expired air with a substance that can be used to test for the presence of that gas? gas present in test substance expired air A carbon dioxide DCPIP B carbon dioxide limewater C oxygen DCPIP D oxygen limewater

Question

Which graph shows how temperature affects the rate of anaerobic respiration in yeast? A B anaerobic anaerobic respiration respiration rate rate 0 50 0 50 temperature / °C temperature / °C C D anaerobic anaerobic respiration respiration rate rate 0 50 0 50 temperature / °C temperature / °C

Question

What is the pathway of a reflex arc from the receptor to the effector? A motor neurone → relay neurone → sensory neurone B motor neurone → sensory neurone → relay neurone C sensory neurone → motor neurone → relay neurone D sensory neurone → relay neurone → motor neurone

Question

What is an effect of adrenaline secretion? A decreased breathing rate B decreased pupil diameter C development of secondary sexual characteristics D increased heart rate

Question

What is phototropism? A absorbing mineral ions B absorbing water C directional growth in response to gravity D directional growth in response to light

Question

A gardener wants to grow some new plants that are identical to plants that she already has. Which method of reproduction is used, and how many parents are needed for her to grow some new identical plants? method of number of reproduction parents needed A asexual one B asexual two C sexual one D sexual two

Question

What must always be present for seeds to germinate? A chlorophyll B light C soil D water

Question

What is a flagellum? A a ball of cells that implants into the lining of the uterus B a cell structure that releases energy C a cell that forms after the sperm cell fuses with the egg cell D an adaptive feature used for movement of sperm cells

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Which word describes a fertilised cell? A acrosome B embryo C gamete D zygote

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Which secondary sexual characteristic is caused by both testosterone and oestrogen? A breast development B changes in body shape C growth of facial hair D sudden deepening of voice

Question

Some ways that diseases can be transmitted are listed. 1 airborne droplets 2 blood and needles 3 food and drink 4 unprotected sex Which ways can transmit HIV? A 1 and 3 B 1 only C 2 and 4 D 4 only

Question

What do genes code for? A fats B proteins C starch D sugars

Question

When white-flowered pea plants are crossed with red-flowered pea plants, the offspring plants all have red flowers. If these offspring plants are crossed, the next generation of plants contains both red-flowered and white-flowered plants. Which statement explains this? A The allele for red flowers is dominant, and the offspring plants are heterozygous. B The allele for red flowers is dominant, and the offspring plants are homozygous. C The allele for red flowers is recessive, and the offspring plants are heterozygous. D The allele for red flowers is recessive, and the offspring plants are homozygous.

Question

What is a description of an adaptive feature? A an inherited characteristic that helps an organism to survive and reproduce B the differences between individuals of the same species C the genetic make-up of an organism D the transmission of information from generation to generation

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Which diagram shows a pyramid of biomass for the food chain shown? key tree caterpillar bird A B C D

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Which statement about conservation is correct? A Captive breeding programmes can be used to conserve endangered species. B Climate change is reducing the number of species that are endangered. C Habitat protection increases the number of species that are endangered. D Sustainable resources are those that are used more rapidly than they are replaced.