Biology 0610/22 May/June 2024: question paper and mark scheme

Question

Which process is carried out by all organisms? A growth B photosynthesis C sexual reproduction D transpiration

Question

What is the first part of the scientific name of an organism, using the binomial system? A genus B group C kingdom D species

Question

The diagram shows a plant cell. In which labelled part of the cell is glucose made? D A cell wall vacuole B chloroplast C nucleus

Question

The diagram shows an epidermal cell from an onion plant. The distance between X and Y on the diagram is 60 mm. The actual length of the cell between X and Y is 150 μm. X Y What is the magnification of the cell? A ×40 B ×250 C ×400 D ×2500

Question

Some plant cells are placed in distilled water for 1 hour. Which description of the condition of the plant cells after 1 hour is correct? A burst B flaccid C plasmolysed D turgid

Question

Which diagram represents active transport? A B partially permeable partially permeable cell membrane cell membrane requires energy requires energy from respiration from respiration C D partially permeable partially permeable cell membrane cell membrane does not require energy does not require energy from respiration from respiration

Question

The diagram shows the bases in a section of DNA from one strand only. What is the base sequence on the complementary DNA strand?

Question

The graph shows the effect of pH on the rate of an enzyme-catalysed reaction. rate of reaction 0 1 2 3 4 5 6 7 8 9 10 pH What explains the effect of pH on the reaction rate? A As the pH increases from 5 to 7, the kinetic energy increases. B As the pH increases from 7 to 9, the frequency of enzyme and substrate collisions increases. C The shape of the enzyme’s active site changes as the pH increases from 7 to 9. D The substrate denatures at pH 7.

Question

Which sentence explains the importance of vascular bundles for photosynthesis? A Vascular bundles transport carbon dioxide to the leaf. B Vascular bundles transport oxygen to the leaf. C Vascular bundles transport starch to the leaf. D Vascular bundles transport water to the leaf.

Question

Which substance is the product of protein digestion? A amino acids B fatty acids C glucose D glycerol

Question

Which organ produces amylase? A gall bladder B kidney C oesophagus D pancreas

Question

Which substance is absorbed by lacteals in villi? A amino acids B fatty acids C lactic acid D hydrochloric acid

Question

The diagram shows part of the alimentary canal. Where is most water absorbed? B A C D

Question

The diagram shows a cross-section of a villus. On which cell surface are microvilli found? lacteal A B C D capillary

Question

Which feature of xylem vessels provides support to plants? A cells are joined end to end B no cell contents C no cross-walls D lignin present

Question

Which change in an environmental factor will increase the rate of transpiration? A decreasing humidity B decreasing light intensity C decreasing temperature D decreasing wind speed

Question

Which statement describes translocation? A the movement of amino acids and sucrose from the source to the sink in phloem B the movement of amino acids and sucrose from the source to the sink in xylem C the movement of amino acids and sucrose from the sink to the source in phloem D the movement of amino acids and sucrose from the sink to the source in xylem

Question

Which pathway is taken by blood in a fish? A gills → heart → body → gills B body → gills → heart → body C heart → gills → body → heart D heart → body → gills → body

Question

Which component of blood produces antibodies? A plasma B platelets C red blood cells D white blood cells

Question

The cholera bacterium produces a toxin which affects humans. What is an effect of this toxin on the human body? A the secretion of chloride ions from the blood into the lumen of the large intestine B the secretion of chloride ions from the blood into the lumen of the small intestine C the secretion of chloride ions from the lumen of the large intestine into the blood D the secretion of chloride ions from the lumen of the small intestine into the blood

Question

These changes occur in the human body during exercise. 1 breathing rate increases 2 the rate of respiration increases 3 nerve impulses sent from the brain to the intercostal muscles and diaphragm 4 receptors in the brain detect increased concentration of carbon dioxide in the blood What is the correct order for these changes? A 1→2→4→3 B 1→3→4→2 C 2→1→4→3 D 2→4→3→1

Question

Two molecules of glucose are aerobically respired. How many molecules of water are produced? A 1 B 2 C 6 D 12

Question

Which substance has a higher concentration in the renal vein than in the renal artery? A carbon dioxide B glucose C oxygen D urea

Question

Where are amino acids deaminated and converted into urea? A bladder B kidneys C liver D pancreas

Question

Which process moves neurotransmitters across a synapse? A active transport B diffusion C gravity D osmosis

Question

When the blood glucose concentration is low, which hormone is released and which organ releases it? hormone organ A glucagon liver B glucagon pancreas C insulin liver D insulin pancreas

Question

A shoot grows towards the direction of light. These statements compare shoot cells on the side in the light with cells on the side in the shade. 1 Cells on the side in the light have more auxin. 2 Cells on the side in the shade have more auxin. 3 Cells on the side in the light elongate more. 4 Cells on the side in the shade elongate more. Which statements explain why the shoot grows towards the light? A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4

Question

Which statement about antibiotics is correct? A Antibiotics are used to treat all transmissible diseases. B Antibiotics are used to treat diseases caused by viruses. C Antibiotic resistance can be stopped by increasing their use. D Antibiotics are used to treat diseases caused by bacteria.

Question

Fusarium wilt is a fungal disease of bananas that can spread quickly through a banana population. The table shows the area affected by Fusarium wilt over time in one country. area affected with year Fusarium wilt / hectares 1967 0 1970 100 1976 1200 1983 1500 1999 3000 What was the percentage increase in the area affected with Fusarium wilt from 1976 to 1999? A 40% B 60% C 150% D 250%

Question

The diagram shows part of a flower. Which processes have taken place? pollination fertilisation A no no B no yes C yes no D yes yes

Question

The diagram shows part of a placenta and umbilical cord. maternal blood key placenta direction of blood flow umbilical artery umbilical vein umbilical cord What is the function of the umbilical vein? A to stop pathogens passing into the fetus B to stop toxins passing into the fetus C to transport carbon dioxide away from the fetus D to transport oxygen to the fetus

Question

The graph shows how the mass of DNA per cell changes before, during and after a nuclear division in a diploid cell. mass of DNA per cell time Which row describes the type of nuclear division and the chromosome number of the daughter cells shown in the graph? chromosome type of nuclear number of division daughter cells produced A meiosis diploid B meiosis haploid C mitosis diploid D mitosis haploid

Question

In a family, the two parents have blood groups of A and B and the three children have blood groups of B, B and O. What are the genotypes of the parents? A A B B A I I and I I A B A o B I I and I I A o B o C I I and I I B o B A D I I and I I

Question

Which statement describes a type of variation? A Continuous variation is usually caused by the environment only. B Continuous variation results in a limited range of phenotypes with no intermediates. C Discontinuous variation is usually caused by genes only. D Discontinuous variation results in a range of phenotypes between two extremes.

Question

The photograph shows a water lily plant, which is a hydrophyte. Which statement explains why the stomata are located on the upper surface of the leaf? A to allow carbon dioxide from the air to enter the leaf for use in photosynthesis B to allow carbon dioxide produced by photosynthesis to leave the leaf C to allow oxygen from the air to enter the leaf for use in photosynthesis D to allow oxygen from the water to enter the leaf for respiration

Question

Which term is used when humans cross individuals with desirable features? A genetic breeding B natural breeding C pure-breeding D selective breeding

Question

Which diagram shows part of the nitrogen cycle? A B nitrogen gas in atmosphere nitrogen gas in atmosphere nitrogen denitrification nitrogen denitrification fixation fixation nitrates nitrates C D nitrogen gas in atmosphere nitrogen gas in atmosphere nitrogen denitrification nitrogen denitrification fixation fixation nitrates nitrates

Question

What is an advantage of growing crops as a large-scale monoculture? A Biodiversity is increased. B Genetic variation is increased. C Water use is increased. D Yield of the crop is increased.

Question

Yeast can produce carbon dioxide and ethanol. What can be made using these products? carbon dioxide ethanol A biofuel washing powder B washing powder fruit juice C fruit juice bread D bread biofuel

Question

Bacteria can be genetically modified to produce a human protein. What is the first step in this process? A insertion of human DNA into bacterial plasmid DNA B insertion of recombinant plasmids into bacteria C isolation of the DNA making up the human gene D expression of the human gene in bacteria