Quiz

Question 1

What is a cell?

Answer 1

Basic building blocks of all living organisms

Question 2

What is a tissue?

Answer 2

A group of cells with a similar structure and function

Question 3

What is an organ?

Answer 3

An aggregation of tissues performing specific functions

Question 4

What is an organ system?

Answer 4

Different organs which work together to form organisms

Question 5

What is an enzyme?

Answer 5

A biological catalyst

Question 6

What is the job of enzymes in digestion?

Answer 6

To break down food into small soluble products

Question 7

What do carbohydrates act on and what are the products?

Answer 7

Carbohydrates and simple sugars

Question 8

What do lipase act on and what are the products of their action?

Answer 8

Lipids, glycerol and fatty acids

Question 9

What is bile?

Answer 9

An alkaline digestive juice, neutralises HCL from stomach and emulsifies fat

Question 10

Where is bile made and where is it stored?

Answer 10

Made in the liver, stored in the gall bladder

Question 11

What does Benedict’s solution test for?

Answer 11

Sugars

Question 12

What can iodine be used to test for?

Answer 12

Starch

Question 13

What does biuret reagent test for?

Answer 13

Protein

Question 14

What are the 3 types of blood vessel?

Answer 14

Artery, vein, capillary

Question 15

What are the components of the blood?

Answer 15

Red blood cells, white blood cells, platelets, plasma

Question 16

What causes coronary heart disease?

Answer 16

Fatty material builds up in the coronary arteries, narrowing them

Question 17

How can coronary heart disease be treated?

Answer 17

Statins and stents

Question 18

What is cancer?

Answer 18

Uncontrolled cell growth and division

Question 19

What is the difference between a benign and a malignant tumor?

Answer 19

Benign contained in one area, malignant spreads to other tissues

Question 20

What is the xylem in a plant?

Answer 20

Tissue that transports water and mineral ions

Question 21

What is the phloem in a plant?

Answer 21

Tissue that transports dissolved sugars

Question 22

What is translocation?

Answer 22

Transportation of dissolved sugars through the phloem

Question 23

What is transpiration?

Answer 23

The loss of water from leaves by evaporation through the stomata

Question 24

Which factors affect the rate of transpiration?

Answer 24

Temperature, humidity, air movement, light intensity

Question 25

What are stomata?

Answer 25

Pores in a leaf that allow gas exchange