leggy eggy
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just some entirely random questions on biology

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20 Biology Questions

20 Biology Questions

Question 1 of 19

1

What are lipids built from?

Select one of the following:

  • Long chains of amino acids

  • Glycerol and fatty acids

  • Maltose

Explanation

Question 2 of 19

1

What is urine made of?

Select one of the following:

  • Water, urea, salts

  • Water, urea, glucose

  • Water, urea, glucose, salts

Explanation

Question 3 of 19

1

What is the only part of the carbon cycle that removes carbon dioxide from the atmosphere?

Select one of the following:

  • Decomposition

  • Respiration

  • Photosynthesis

Explanation

Question 4 of 19

1

About how much energy is transferred from one trophic level to the next?

Select one of the following:

  • 15%

  • 10%

  • 25%

Explanation

Question 5 of 19

1

The right ventricle pumps deoxygenated blood to the lungs through the...

Select one of the following:

  • Pulmonary artery

  • Vena cava

  • Pulmonary vein

Explanation

Question 6 of 19

1

What colour will a sample turn if iodine solution is added to it and it contains starch?

Select one of the following:

  • Brick red

  • Blue-black

  • Brown

Explanation

Question 7 of 19

1

What are the pairs of bases in DNA?

Select one of the following:

  • A & T, and C & G

  • A & G, and C & T

  • A & C, and T & G

Explanation

Question 8 of 19

1

What is the function of the conjunctiva in the eye?

Select one of the following:

  • To control the amount of light that enters the eye

  • To lubricate and protect the surface of the eye

  • To focus on nearby and far away objects

Explanation

Question 9 of 19

1

What is your genotype?

Select one of the following:

  • The alleles you have

  • The number of chromosomes in your cells

  • The characteristics you display

Explanation

Question 10 of 19

1

What is a pathogen?

Select one of the following:

  • The plant growth hormone

  • An organism that lives off another organism

  • An organism that causes disease

Explanation

Question 11 of 19

1

Which organisms can be pathogens?

Select one of the following:

  • Bacteria and viruses

  • Bacteria, fungi, viruses and protocti

  • Bacteria, viruses and plants

Explanation

Question 12 of 19

1

What are platelets?

Select one of the following:

  • A type of white blood cell

  • The liquid substance in blood

  • Small fragments of cells in blood

Explanation

Question 13 of 19

1

What is the function of platelets?

Select one of the following:

  • To destroy pathogens

  • To help with blood clotting

  • To carry oxygen through the bloodstream

Explanation

Question 14 of 19

1

What do xylem tubes transport?

Select one of the following:

  • Water and mineral salts

  • Sugars and amino acids

  • Water and amino acids

Explanation

Question 15 of 19

1

How does ADH control water content?

Select one of the following:

  • Suppresses the nerves that tell the brain when the bladder is full

  • Makes the nephrons more permeable

  • Prevents too much water being absorbed in the large intestine

Explanation

Question 16 of 19

1

Which of these does a red blood cell have?

Select one of the following:

  • Cell membrane

  • Nucleus

  • Cell wall

Explanation

Question 17 of 19

1

How much energy does anaerobic respiration produce compared to aerobic respiration?

Select one of the following:

  • More

  • Less

  • The same amount

Explanation

Question 18 of 19

1

Chemical fertilizers can cause _____ which can cause fish to die

Select one of the following:

  • Acid rain

  • Eutophication

  • Sedimentation

Explanation

Question 19 of 19

1

Where in the nephron is glucose reabsorbed?

Select one of the following:

  • Collecting duct

  • Bowman's capsule

  • Proximal convoluted tubule

Explanation

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