Organisation questions

By Interwoven Maths

Organisation question collection

Review Organisation questions for Biology, with correct answers shown and coverage across levels of biological organisation; digestive enzymes; heart and blood vessels.

Back to Organisation practice Back to Biology

Question 1

What does amylase mainly digest?
  1. Starch into sugars
  2. Proteins into amino acids
  3. Lipids into fatty acids and glycerol
  4. Cellulose into glucose in humans

Question 2

What do protease enzymes digest proteins into?
  1. Amino acids
  2. Simple sugars
  3. Fatty acids and glycerol
  4. Carbon dioxide and water

Question 3

What do lipase enzymes break down lipids into?
  1. Fatty acids and glycerol
  2. Amino acids
  3. Glucose and oxygen
  4. Starch and maltose

Question 4

Where is bile produced?
  1. Liver
  2. Gall bladder
  3. Pancreas
  4. Small intestine

Question 5

Where is bile stored before release into the small intestine?
  1. Gall bladder
  2. Liver
  3. Pancreas
  4. Stomach

Question 6

What does bile emulsification do?
  1. Forms small fat droplets
  2. Hydrolyses fat to glycerol
  3. Neutralises stomach acid
  4. Absorbs fat into lacteals

Question 7

Which villus feature provides a large absorption surface?
  1. Microvilli on epithelial cells
  2. One-cell-thick epithelium
  3. Dense capillary network
  4. A lacteal in each villus

Question 8

What is the main function of the heart?
  1. To pump blood around the body
  2. To produce red blood cells
  3. To filter urea from blood
  4. To absorb oxygen from inhaled air

Question 9

Where do coronary arteries receive the blood they supply?
  1. The aorta
  2. The vena cava
  3. The pulmonary artery
  4. The pulmonary vein

Question 10

What mainly causes coronary heart disease?
  1. Fatty deposits narrow the arteries supplying the heart muscle
  2. A clot blocks the vena cava
  3. Heart valves allow backflow
  4. Heart muscle contracts too strongly

Question 11

What does a coronary stent do?
  1. Keeps a narrowed artery open
  2. Lowers blood cholesterol
  3. Replaces a damaged valve
  4. Reroutes blood around a blockage

Question 12

What are statins used to do?
  1. Reduce blood cholesterol
  2. Hold coronary arteries open
  3. Reroute blood around blockages
  4. Replace damaged heart valves

Question 13

Which blood vessel carries blood away from the heart?
  1. Artery
  2. Vein
  3. Capillary
  4. Venule

Question 14

What is the benefit of one-cell-thick capillary walls?
  1. Short diffusion distance
  2. High-pressure resistance
  3. Backflow prevention
  4. Pulse maintenance

Question 15

What is the main role of plasma in blood?
  1. Transport dissolved substances around the body
  2. Carry oxygen using haemoglobin
  3. Destroy pathogens by phagocytosis
  4. Cause clotting by forming fibrin

Question 16

Which pair adapts red blood cells to carry oxygen?
  1. Haemoglobin and biconcave shape
  2. Haemoglobin and a nucleus
  3. Biconcave shape and chlorophyll
  4. Large surface area and antibodies

Question 17

Which tissue transports dissolved sugars around a plant?
  1. Phloem
  2. Xylem
  3. Epidermis
  4. Mesophyll

Question 18

Which blood component starts clot formation?
  1. Platelets
  2. Red blood cells
  3. Lymphocytes
  4. Plasma

Question 19

Which heart chamber pumps blood to the body?
  1. Left ventricle
  2. Right ventricle
  3. Left atrium
  4. Right atrium

Question 20

What does a rich capillary supply maintain in villi?
  1. A steep concentration gradient
  2. A large surface area
  3. A short diffusion distance
  4. An alkaline pH

Question 21

What does xylem transport?
  1. Water and mineral ions
  2. Dissolved sugars
  3. Amino acids
  4. Oxygen in blood

Question 22

Which feature helps root hair cells absorb mineral ions?
  1. Many mitochondria
  2. A large vacuole
  3. Many chloroplasts
  4. A thick cellulose wall

Question 23

What is transpiration?
  1. Loss of water vapour from leaves
  2. Movement of sugars through phloem
  3. Uptake of mineral ions by roots
  4. Movement of pollen between flowers

Question 24

What is cancer?
  1. Uncontrolled cell division
  2. Programmed cell death
  3. Specialised cell differentiation
  4. Controlled tissue repair

Question 25

Heart rate is \(70\,\mathrm{min^{-1}}\) and stroke volume is \(80\,\mathrm{cm^3}\). What is cardiac output?
  1. \(5600\,\mathrm{cm^3/min}\)
  2. \(150\,\mathrm{cm^3/min}\)
  3. \(0.875\,\mathrm{cm^3/min}\)
  4. \(1.14\,\mathrm{cm^3/min}\)

Question 26

In a food calorimetry experiment, what is measured?
  1. The temperature rise of water
  2. The mass of ash left
  3. The volume of gas made
  4. The time taken to burn

Question 27

Which reagent is used to test for starch?
  1. Iodine solution
  2. Benedict’s solution
  3. Biuret solution
  4. Ethanol solution

Question 28

Where does gas exchange take place in the lungs?
  1. Alveoli
  2. Trachea
  3. Bronchi
  4. Diaphragm

Question 29

A weakened immune system makes a person more likely to get what?
  1. Infectious disease
  2. Inherited disease
  3. A physical injury
  4. A vitamin surplus

Question 30

Which lifestyle factor raises the risk of lung cancer?
  1. Smoking
  2. Regular exercise
  3. A high-fibre diet
  4. Drinking water

Question 31

Which leaf tissue carries out most of the photosynthesis?
  1. Palisade mesophyll
  2. Xylem vessels
  3. Upper epidermis
  4. Phloem tubes

Question 32

Which order goes from the smallest level of organisation to the largest?
  1. Cell, tissue, organ
  2. Cell, organ, tissue
  3. Tissue, cell, organ
  4. Organ, tissue, cell

Question 33

As an organism grows, its surface area to volume ratio does what?
  1. Decreases
  2. Increases
  3. Stays the same
  4. Doubles each time

Question 34

A heart beats 70 times a minute with a stroke volume of 70 cm³. What is the cardiac output in cm³ per minute?
  1. 4900
  2. 140
  3. 1
  4. 70

About this topic

Review Organisation questions for Biology, with correct answers shown and coverage across levels of biological organisation; digestive enzymes; heart and blood vessels.

This topic covers

Example question types