Alex Lyes
Quiz by , created more than 1 year ago

A quiz with questions covering a wide variety of topics from the AQA biology A level syllabus

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Alex Lyes
Created by Alex Lyes about 7 years ago
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Biology A Level AQA Questions

Question 1 of 25

1

Proof reading of DNA occurs in the phase of the cell cycle

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    G2
    S
    M

Explanation

Question 2 of 25

1

During anaphase in mitosis the chromatids are pulled apart by the spindle fibres.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 25

1

During prophase in mitosis the chromosomes line up down the middle of the cell.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 25

1

Select from the dropdown list to complete the text.

Binary fission occurs in ( prokaryotes, eukaryotes ).

Explanation

Question 5 of 25

1

During the formation of tissue fluid, the blood at the ateriolar end of the capillary has a hydrostatic pressure and water potental than the surrounding tissue fluid.

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    higher
    lower
    similar

Explanation

Question 6 of 25

1

Excess tissue fluid is drained into the:

Select one of the following:

  • Digestive system

  • Lymphatic system

  • Reproductive system

  • Respiratory system

Explanation

Question 7 of 25

1

Select from the dropdown lists to complete the text.

Meiosis results in ( 2, 4, 1 ) ( haploid, diploid ) daughter cells.

Explanation

Question 8 of 25

1

Glucose is transported by in the illeum where it moves with ions from the lumen of the illeum into the intestinal cells.

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    co-transport
    diffusion
    active transport
    osmosis
    sodium
    calcium
    magnesium

Explanation

Question 9 of 25

1

Fill the blank spaces to complete the text.

After triglycerides have been broken down into monoglycerides, and fatty acids, bile binds with the monoglycerides to form .

Explanation

Question 10 of 25

1

peptidases break up within a protein. peptidases break bonds at the end of protein molecules.

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    Endo
    Exo

Explanation

Question 11 of 25

1

Fill the blank space to complete the text.

Amino acids are absorbed by .

Explanation

Question 12 of 25

1

Fill the blank spaces to complete the text.

After the of water, electrons are transported in an electron transport chain in the membrane. the energy from this goes into pumping protons across the membrane. The protons move back across the membarne via an synthase channel. ATP is produced as NADP is reduced.

Explanation

Question 13 of 25

1

Fill the blank space to complete the text.

The reaction between carbon dioxide and RuBP in the Calvin cycle is catalysed by the enzyme .

Explanation

Question 14 of 25

1

The order of stages in respiration is:
>
>
>
>

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    Glycolysis
    The link reaction
    The Krebs cycle
    Oxidative phosphorylation

Explanation

Question 15 of 25

1

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In oxidative phosphorylation, oxygen acts as the .

Explanation

Question 16 of 25

1

Anaerobic respiration in animals produces , and in yeast produces .

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    lactic acid
    ethanol
    water
    Glucose

Explanation

Question 17 of 25

1

ions bind to troponin to move the out of the way to start the process of a muscle contration.

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    Calcium
    Sodium
    Hydrogen
    tropomyosin
    actin
    sarcoplasm

Explanation

Question 18 of 25

1

Blood glucose levels that are too high are detected by cells, that produce which causes glucose to be converted to .

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    beta
    alpha
    insulin
    glucagon
    glycogen
    starch
    amino acids

Explanation

Question 19 of 25

1

The process of converting glycogen to glucose in the liver is called

Select one of the following:

  • Gluconeogeesis

  • Glycogenolysis

  • Glucolysis

Explanation

Question 20 of 25

1

In the Bowman's capsule, the arteriole has a greter diameter than the arterole which means the pressure is in the glomerulus than the bowman's capsule.

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    afferent
    efferent
    higher
    lower
    the same

Explanation

Question 21 of 25

1

ADH is released by the hypothalamus

Select one of the following:

  • True
  • False

Explanation

Question 22 of 25

1

Increasing the number of aquaporins in the cells of the collecting duct causes the collecting duct to become more permeable to water.

Select one of the following:

  • True
  • False

Explanation

Question 23 of 25

1

During the polymerase chain reaction, the sample is heated to to separate the strands. It is then cooled to to allow the primers to attach. It is finally heated to so DNA can occur.

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    95°C
    55°C
    72°C
    replication
    division
    hybridisation

Explanation

Question 24 of 25

1

Fill the blank space to complete the text.

are short sequences of DNA that vary in length from person to person and are used in genetic fingerprinting.

Explanation

Question 25 of 25

1

In gel electrophoresis, the larger fragments of DNA travel than the smaller ones.

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    less
    further
    the same

Explanation