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GCSE AQA Biology Paper 2
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Question 1 of 49Question 1[2 marks]
[question number = 01.1] Use some of the following words to fill in the blanks:
Gene, allele, sugar, oxide, phosphate-
The complimentary base pairs that join strands of DNA together are attached at either end to a and each of those is attached to a group.
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Question 2 of 49Question 2[2 marks]
[question number = 01.2] Drag and drop to match the base pairs in DNA
- T
- G
- A
- C
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Question 3 of 49Question 3[3 marks]
(short answer) [question number = 01.3] What is a gene and what is its primary function
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Question 4 of 49Question 4[1 mark]
[question number = 01.4] Which term do we use to describe the entire DNA of an individual?
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Question 5 of 49Question 5[3 marks]
[question number = 01.5] Arrange the following DNA-related processes in order of occurrence in protein synthesis.
- Protein chain completion
- DNA template formation
- Amino acid alignment on ribosome
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Question 6 of 49Question 6[1 mark]
[question number = 01.6] What is a zygote? (short answer)
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Question 7 of 49Question 7[2 marks]
[question number = 02.1] Drag and drop to match the role and structure
- Physical characteristics of an organism
- The alleles an organism has
- Phenotype
- Genotype
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Question 8 of 49Question 8[1 mark]
[question number = 02.2] Choose the correct set of sex chromosomes to fill in this genetic diagram (genetic cross).
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Question 9 of 49Question 9[4 marks]
(short answer) [question number = 02.3] Selective breeding has been used in the past to change the behaviour of domestic animals such as dogs. A farmer is having persistent issues with goats escaping from their pens. Goats are very good at escaping because they can climb and jump over fences. A farmer decides that enough is enough and they will selectively breed the goats to change their behaviour. Describe the process the farmer should carry out in order to change the behaviour of the goats using selective breeding.
Correct 4 / 4 PointsIncorrect / 4 Points -
Question 10 of 49Question 10[3 marks]
[question number = 02.4] Put the following steps in order to describe how genetic engineering of bacteria can be carried out to produce insulin.
- Restriction enzymes are used to cut DNA molecules (insulin genes from human chromosomes) producing sections with unpaired bases at each end (sticky ends)
- The plasmids are inserted back into bacteria where they can make insulin and it can be harvested
- Restriction enzymes are also used to cut open bacterial plasmids, this created sticky ends with complimentary bases
- Insulin producing genes are inserted into the plasmids and ligase is used to join the sticky ends
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Question 11 of 49Question 11[1 mark]
[question number = 02.5] Which of the following is a risk of genetic engineering of crops?
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Question 12 of 49Question 12[1 mark]
[question number = 03.1] Which modern development led to the suggestion of the Three-Domain System?
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Question 13 of 49Question 13[3 marks]
[question number = 03.2] What are the three domains? (short answer)
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Question 14 of 49Question 14[1 mark]
[question number = 03.3] Evidence for Darwin’s Theory of Evolution was found when resistance to what emerged in some species of bacteria? (short answer)
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Question 15 of 49Question 15[4 marks]
[question number = 03.4] What groups of organisms are eukaryotes?
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Question 16 of 49Question 16[1 mark]
[question number = 04.1] What term do we use to describe the release of an egg from the ovary? (short answer)
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Question 17 of 49Question 17[4 marks]
(short answer) [question number = 04.2] Describe how hormones control the menstrual cycle
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Question 18 of 49Question 18[1 mark]
[question number = 04.3] Blood glucose levels are controlled with insulin and glucagon to maintain suitable levels of blood glucose concentration. What type of feedback mechanism is this?
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feedback, since a change in blood glucose after the release of each hormone, brings the blood glucose concentration back to an average level. e.g. if it gets too high, it is lowered by the correct hormone.
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Question 19 of 49Question 19[2 marks]
[question number = 04.4] What effects does adrenaline have on the heart? (short answer)
Correct 2 / 2 PointsIncorrect / 2 Points -
Question 20 of 49Question 20[2 marks]
[question number = 04.5] What effect does adrenaline have on the liver? (short answer)
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Question 21 of 49Question 21[2 marks]
[question number = 04.6] What are two systems which allow your body to respond to its surroundings? (short answer)
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Question 22 of 49Question 22[2 marks]
[question number = 04.7] Use some of the following answers to fill in the blanks:
Vasoconstriction, shivering, sweating, vasodilation, receptors-
When the body temperature drops, and help raise it.
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Question 23 of 49Question 23[1 mark]
[question number = 04.8] When body temperature is too high, what is produced to cool the body through evaporation?
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Question 24 of 49Question 24[3 marks]
[question number = 04.9] Select all correct answers related to kidney function:
Correct 3 / 3 PointsIncorrect / 3 Points -
Question 25 of 49Question 25[3 marks]
[question number = 05.1] Drag and drop to match the role to each part of the nervous system.
- Effectors
- Receptors
- Central Nervous System
- Convert impulses into actions
- Detect stimuli/create impulses
- Interpret impulses
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Question 26 of 49Question 26[1 mark]
[question number = 05.2] Sensory neurones have a fatty layer of insulation, what is it called? (short answer)
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Question 27 of 49Question 27[1 mark]
[question number = 05.3] What is the gap between neurones called? (short answer)
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Question 28 of 49Question 28[2 marks]
[question number = 05.4] Use some of the following words to fill in the blanks.
Receptor, effectors, detection, reflection, sensory
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organs contain cells that detect stimuli
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Question 29 of 49Question 29[1 mark]
[question number = 05.5] What travels along neurones to pass information through the nervous system? (short answer)
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Question 30 of 49Question 30[1 mark]
[question number = 05.6] Arrange the steps in the correct order to describe how the nervous system reacts to changes in the external or internal environment.
- effector
- receptor
- coordinator
- stimulus
- response
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Question 31 of 49Question 31[1 mark]
[question number = 06.1] Which term do we use to describe the relationships between species that depend on each other for resources?
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Question 32 of 49Question 32[3 marks]
[question number = 06.2] Drag and drop to match the description to the correct term
- Herbivore
- Carnivore
- Omnivore
- An organism that only eats plants
- An organism that only eats meat
- An organism that eats both plants and meat
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Question 33 of 49Question 33[1 mark]
[question number = 06.3] Which of the following are strategies organisms use to adapt to changing abiotic conditions?
Correct 1 / 1 PointsIncorrect / 1 Points -
Question 34 of 49Question 34[6 marks]
(short answer) [question number = 06.4] Small fish → Mackerel → Tuna
Due to warming temperatures in the Celtic Sea, more blue sharks have been reported in areas where they were previously rare. The blue sharks feed on mackerel. For each organism in the original food chain, explain how its population size would change and why.
Correct 6 / 6 PointsIncorrect / 6 Points -
Question 35 of 49Question 35[2 marks]
[question number = 06.5] Drag and drop to match the factor to the correct type
- Disease
- Water availability
- Biotic
- Abiotic
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Question 36 of 49Question 36[6 marks]
[question number = 06.6] A biologist wants to investigate the abundance of crabs on a rocky shoreline. (enter your answer)
Describe a method the biologist could use to estimate the abundance of crabs in this environment.
You should include:
- how to set up the sampling method
- how to collect and record data
- how to ensure accuracy and reliability of results.
Correct 6 / 6 PointsIncorrect / 6 Points -
Question 37 of 49Question 37[2 marks]
[question number = 06.7] Conservation of habitats is also important to protect endangered species. Which of the following are potential reasons for maintaining high levels of biodiversity?
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Question 38 of 49Question 38[1 mark]
[question number = 07.1] What is potable water? (short answer)
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Question 39 of 49Question 39[2 marks]
[question number = 07.2] Which of these processes allows saltwater to become potable?
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Question 40 of 49Question 40[1 mark]
[question number = 07.3] What is groundwater? (short answer)
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Question 41 of 49Question 41[1 mark]
[question number = 07.4] When fossil fuels are burned they release carbon into the atmosphere – which of the following are fossil fuels?
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Question 42 of 49Question 42[1 mark]
[question number = 07.5] Decomposers break down dead animal and plant material – what happens to the carbon inside the dead organisms?
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Question 43 of 49Question 43[2 marks]
[question number = 09.1] Select all structures involved in the eye’s response to dim light.
Correct 2 / 2 PointsIncorrect / 2 Points -
Question 44 of 49Question 44[2 marks]
[question number = 09.2] Match the corrective treatment with the condition it typically addresses.
- Corrected with concave lenses
- Corrected with convex lenses
- Myopia
- Hyperopia
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Question 45 of 49Question 45[2 marks]
[question number = 09.3] Use some of the following answers to fill in the blanks:
Accommodation, sclera, iris, suspensory ligaments
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The process of changing the shape of the lens to focus on near or distant objects is known as . The controls the size of the pupil to regulate the amount of light entering the eye.
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Question 46 of 49Question 46[2 marks]
[question number = 10.1] Match each cloning method to its primary purpose.
- Preserving rare plants
- Creating identical animals
- Tissue culture
- Embryo transplants
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Question 47 of 49Question 47[2 marks]
[question number = 10.2] Match each step in adult cell cloning with its correct description.
- Stimulates cell division
- Embryo placed in female womb
- Electric shock
- Embryo transfer
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Question 48 of 49Question 48[2 marks]
[question number = 10.3] Select all processes that involve using genetic information from an adult cell.
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Question 49 of 49Question 49[2 marks]
[question number = 10.4] Use some of the following answers to fill in the blanks:
Spores, eggs, indication, variation
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Many fungi reproduce asexually by but also reproduce sexually to provide in their offspring.
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