🔑 Biology - Organisms

Question 1

What triangle links image, actual size and magnification?

Answer 1

/ I \
/ A | M \
______

Question 2

Where does aerobic respiration take place?

Answer 2

In the mitochondria.

Question 3

What are the word and symbol equations for aerobic respiration?

Answer 3

oxygen + glucose → carbon dioxide + water (+ energy)

O₂ + C₆H₁₂O₆ → CO₂ + H₂O

Question 4

What do living organisms require energy for?

Answer 4

MRS GREN (full-form)

Question 5

What does MRS GREN stand for?

Answer 5

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition

Question 6

What is the balanced equation for aerobic respiration?

Answer 6

6(O₂) + C₆H₁₂O₆ → 6(CO₂) + 6(H₂O)

Question 7

Name the organ systems (6).

Answer 7

Circulatory system, Nervous system, Respiratory system, Digestive system, Urinary system, Skeletal muscle system

Question 8

Where are chromosomes found?

Answer 8

In the nucleus.

Question 9

What are the differences between a light microscope and an electron microscope?

Answer 9

An electron microscope has a higher resolution compared to the resolution of a light microscope.
You cannot see colour in an electron microscope however, in a light microscope you can see colour.