Curriculum
Course: Science — Second Preparatory
Login

Curriculum

Science — Second Preparatory

Unit 1: Matter and Energy

0/8

Unit 2: Matter and Chemical Reactions

0/6

Unit 3: Energy Flow in Photosynthesis and Respiration

0/4

Unit 4: Geological Processes

0/4
Quiz

Photosynthesis — Lesson quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 6
  • Passing grade: 60%
Start Quiz
1.
Which pigment absorbs light in photosynthesis?
Haemoglobin
Melanin
Insulin
Chlorophyll
2.
Where does the oxygen released in photosynthesis come from?
From the splitting of water molecules
From the splitting of carbon dioxide
From the breakdown of glucose
Taken straight from the air unchanged
3.
What are the small openings through which carbon dioxide enters the leaf called?
Chloroplasts
Stomata
Mitochondria
Vacuoles
4.
In the experiment with a leaf covered by black paper, where does starch appear?
Only in the covered part
Evenly over the whole leaf
Only in the part exposed to light
Nowhere in the leaf
5.
Calculate the mass of glucose formed from 88 g of carbon dioxide (C = 12, O = 16, H = 1).
180 g
88 g
30 g
60 g
6.
Why do leaves look green?
Because chlorophyll reflects green light and does not absorb it well
Because chlorophyll absorbs green light very efficiently
Because leaves reflect all colours equally
Because stomata colour the light green
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6