Biology Mock

Question 1

Downside to using stem cells in medical treatment

Answer 1

Transfers viral infections

Question 2

Functions of small intestine

Answer 2

• Produce digestive enzymes
• Digests food
• Absorbs soluble food molecules

Question 3

Where amylase produced

Answer 3

Small intestine, pancreas

Question 4

Solution for protein tests

Answer 4

Biuret solution

Question 5

Where do waste products move out of the cells and into the blood?

Answer 5

Capillaries

Question 6

What does haemoglobin do?

Answer 6

Binds with oxygen in the blood

Question 7

What are statins?

Answer 7

Drugs that can be taken to decrease blood cholesterol levels

Question 8

What do stents do?

Answer 8

Keep coronary arteries open

Question 9

What is translocation?

Answer 9

The process by which food produced in photosynthesis is transported from the leaves to the growing regions of plants and storage organs

Question 10

Which layer of a leaf contains many air spaces, which help with gas exchange throughout the leaf?

Answer 10

Spongy Mesophyll

Question 11

Process by which plants take up mineral ions

Answer 11

active transport

Question 12

What are phloem and xylem?

Answer 12

Plant vessels

Question 13

What are fungi made of?

Answer 13

hyphae

Question 14

What is metabolism?

Answer 14

The sum of all the chemical reactions that happen in an organism

Question 15

Microscope steps

Answer 15

1) Use the less powerful objective lens to focus on the specimen due to wider field of view and ease of focus
2) Use course adjustment knob to focus roughly on the image, then switch to fine adjustment knob to get a clear image
3) Then swap to a higher powered lens to produce a more magnified image
4) Make scale measurements by placing a transparent ruler under the microscope to measure field of view

Question 16

What is microscope field of view?

Answer 16

The circular area you see through the lens

Question 17

Why should you start with a low power lens when using a microscope?

Answer 17

It might be difficult to locate individual cells if you start off with too high a power lens, but a low power lens gives you an overall picture of the layout of the cells. It can also be easier to count cells

Question 18

When should you increase lens power in a microscope experiment?

Answer 18

After you have made notes/observations/sketches from the lower power lens view.

Question 19

What to use for sugar test?

Answer 19

Benedict’s solution

Question 20

What to use for fats test?

Answer 20

Add to ethanol and water; cloudiness means fat is present

Question 21

Who discovered penicillin?

Answer 21

Alexander Fleming

Question 22

Steps to drug development

Answer 22

1) Research and identify possible medicines
2) Tests to find ways of making medicines
3) Pre-clinical trial: Animal cells used to test essential criteria for drug (eg effectiveness)
4) Animal Testing
5) Testing on healthy volunteers
6) Test on patients
7) Final tests and licensing
8) Clinical trial for research (post-licensing)

Question 23

What is photosynthesis?

Answer 23

Process by which plants manufacture carbohydrates from raw materials using light energy