Biology 0610/13 May/June 2025: question paper and mark scheme

Question

The Venus flytrap is a plant that feeds on insects. When an insect lands on a specially adapted leaf, the leaf folds very quickly and traps the insect. The leaves produce enzymes which digest the insect. Which characteristics of living organisms are involved? A excretion, growth, nutrition B movement, excretion, nutrition C movement, sensitivity, growth D movement, sensitivity, nutrition

Question

A rat has the scientific name Rattus rattus. What do the two parts of this name refer to? A genus and species B kingdom and genus C kingdom and species D species and group

Question

Which of the animals shown is a crustacean? A B C D

Question

Which features do animal cells share with plant cells? chloroplast cytoplasm nucleus A yes yes yes B yes yes no C no yes yes D no no yes

Question

A student makes a drawing of an animal. The length of the animal in the drawing is 30 mm. The actual length of the animal is 200 mm. What is the magnification of the student’s drawing? A ×0.15 B ×6.67 C ×15 D ×6000

Question

Some pieces of potato plant tissue are placed in a very concentrated sugar solution. Other pieces of potato plant tissue are placed in distilled water. What happens to the mass of the potato pieces in the two liquids? mass of the potato mass of the pieces in a very potato pieces concentrated in distilled water sugar solution A decreases decreases B decreases increases C increases decreases D increases increases

Question

Which statement describes the net movement of particles by active transport in animal cells? A from a higher concentration to a lower concentration across a cell membrane B from a higher concentration to a lower concentration across a cell wall C from a lower concentration to a higher concentration across a cell membrane D from a lower concentration to a higher concentration across a cell wall

Question

Which chemical tests should a student use to test lemon juice for reducing sugars and vitamin C? reducing sugars vitamin C A Benedict’s solution test DCPIP solution test B Benedict’s solution test ethanol emulsion test C biuret test DCPIP solution test D biuret test ethanol emulsion test

Question

Which graph shows the effect of pH on enzyme activity? A B enzyme enzyme activity activity pH pH C D enzyme enzyme activity activity pH pH

Question

The graph shows the effect of temperature on an enzyme-controlled reaction. At which point on the graph is the enzyme completely denatured? B rate of reaction C A D temperature

Question

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

Question

In a cross-section of a leaf, what is the correct order of structures moving from the upper surface of the leaf towards the lower surface of the leaf? A cuticle, epidermis, palisade mesophyll, spongy mesophyll B cuticle, epidermis, spongy mesophyll, palisade mesophyll C epidermis, cuticle, palisade mesophyll, spongy mesophyll D epidermis, cuticle, spongy mesophyll, palisade mesophyll

Question

What is the result of a diet lacking iron? A bleeding gums B poor wound healing C reduced number of red blood cells D weak bones and teeth

Question

The diagram shows part of the human digestive system. Where is lipase made? A D B C

Question

Which row about an enzyme in the alimentary canal is correct? site of action enzyme substrate A mouth amylase protein B mouth protease starch C stomach protease protein D stomach amylase starch

Question

What is the pathway taken by water through a plant? A root cortex cells → root hair cells → mesophyll cells → xylem B root cortex cells → root hair cells → xylem → mesophyll cells C root hair cells → root cortex cells → mesophyll cells → xylem D root hair cells → root cortex cells → xylem → mesophyll cells

Question

Which blood vessel transports blood away from the kidney? A pulmonary artery B pulmonary vein C renal artery D renal vein

Question

The diagram shows part of the gas exchange system in humans. T W U V Which row identifies the structures in the diagram? T U V W A rib intercostal muscle diaphragm alveoli B intercostal muscle rib alveoli diaphragm C rib intercostal muscle alveoli diaphragm D intercostal muscle rib diaphragm alveoli

Question

Which structure is the site of aerobic respiration in plant cells? A chloroplast B mitochondrion C nucleus D ribosome

Question

Which substance is a product of anaerobic respiration in human muscles? A alcohol B carbon dioxide C glucose D lactic acid

Question

The diagram shows a human organ system. X Y What are the names of structures X and Y? X Y A renal artery renal vein B renal vein renal artery C ureter urethra D urethra ureter

Question

The diagram shows a section through the human eye. Which label identifies the iris? A B C D

Question

Which hormone decreases blood glucose concentration? A adrenaline B glycogen C insulin D oestrogen

Question

What is the result of asexual reproduction? A genetically different offspring from one parent B genetically different offspring from two parents C genetically identical offspring from one parent D genetically identical offspring from two parents

Question

Four test-tubes are set up as shown and placed in the dark. In which test-tube will the seeds germinate first? A B C D oil seeds seeds dry water with cotton oxygen removed moist wool cotton cotton wool wool 0 °C 25 °C 25 °C 25 °C

Question

Where in the human male reproductive system are sperm produced? A penis B prostate gland C scrotum D testes

Question

A person’s menstrual cycle lasts for 28 days. Which statement describes an event in this menstrual cycle? A The ovary releases an egg on day 14. B The ovary releases an egg on day 21. C The uterus lining breaks down on days 14 to 21. D The uterus lining builds up on days 1 to 7.

Question

An individual has the genotype Bb. What is the correct description of this genotype? A heterozygous, with two different alleles of the same gene B heterozygous, with two different genes of the same allele C homozygous, with two different alleles of the same gene D homozygous, with two different genes of the same allele

Question

Which statement describes inheritance? A organisms which are not pure-breeding B the difference between homozygous and heterozygous genotypes C the genetic information in dominant alleles D the transmission of genetic information from generation to generation

Question

What is a feature of natural selection? A genetic variation within populations B plenty of resources C production of genetically identical offspring D selection by humans

Question

What is the principal source of energy input to biological systems? A carbon dioxide in air B glucose C minerals in soil D the Sun

Question

The diagram shows a food web. hawk owl small bird fox frog rabbit mouse grasshopper grass Which food chain is part of the food web? A grass → frog → owl → hawk B grass → grasshopper → frog → hawk C grass → grasshopper → mouse → fox D grass → rabbit → owl → fox

Question

The diagram shows part of the carbon cycle. Which process produces carbon dioxide from substances made by photosynthesis millions of years ago? carbon dioxide dissolved in seas and lakes carbon dioxide gas in the air A B C D carbon compounds carbon fossil fuel in decaying compounds organisms in plants carbon compounds in animals

Question

The diagram shows a graph of population growth. On which part of the graph is the population size limited by the amounts of resources available? D C population size A B time

Question

Two methods of livestock production are described. method 1 Animals are kept in a small area and their movement is restricted. method 2 Animals are allowed to move freely around a large area. What is an advantage of method 1 compared with method 2? A increased pollution B increased consumption of food by animals C increased rate of spread of infectious disease D increased yield of animal product

Question

Some species of aquatic insects are able to survive at different ranges of pH. The diagram shows the pH ranges in which four different species are able to survive. Which species is unable to live in an acidic environment? A B species C D 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 pH

Question

Which practice helps to maintain biodiversity? A improving crop yields by using herbicides B increasing crop yields by using insecticides C the protection of habitats D the use of large-scale monocultures

Question

The diagram shows four positions on a river where water samples were taken. untreated sewage X outlet direction of flow W Y Z Which graph shows oxygen concentrations in the river? A B oxygen oxygen concentration concentration W X Y Z W X Y Z position position C D oxygen oxygen concentration concentration W X Y Z W X Y Z position position

Question

Which feature makes bacteria useful in genetic modification? A can make complex molecules B have a cell membrane C have a cell wall D reproduce slowly

Question

Scientists have developed a genetically modified pineapple plant that produces pink fruit. The pineapple fruit is pink because of increased concentrations of a substance called lycopene. Eating foods containing lycopene may have health benefits for humans. Which statement describes the purpose of this genetic modification? A to confer resistance to insect pests B to confer resistance to herbicides C to improve the nutritional qualities D to improve the crop yield