
Secondary 2 Flashcard
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
057_Durriyatus Salsabila
Used 1+ times
FREE Resource
Student preview

30 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Where does photosynthesis occur?
Back
Chloroplasts
Answer explanation
Photosynthesis occurs in chloroplasts, which are specialized organelles in plant cells. Mitochondria are involved in cellular respiration, while humans and animals do not perform photosynthesis.
2.
FLASHCARD QUESTION
Front
What are the reactants in Photosynthesis?
Back
sun, carbon dioxide, water
Answer explanation
In photosynthesis, the reactants are sunlight, carbon dioxide (CO2), and water. These are used by plants to produce glucose and oxygen, making 'sun, carbon dioxide, water' the correct choice.
3.
FLASHCARD QUESTION
Front
For photosynthesis, a plant needs water, sun, and...
Back
carbon dioxide
Answer explanation
For photosynthesis, plants require water, sunlight, and carbon dioxide. Carbon dioxide is essential as it is converted into glucose during the process, while oxygen is a byproduct, not a requirement.
4.
FLASHCARD QUESTION
Front
Which of the following is the correct equation for PHOTOSYNTHESIS? Options: carbon dioxide + water --> oxygen + glucose, carbon dioxide + glucose + water --> oxygen , oxygen + water --> carbon dioxide + glucose, glucose+ oxygen ---> water + carbon dioxide
Back
carbon dioxide + water --> oxygen + glucose
Answer explanation
The correct equation for photosynthesis is carbon dioxide + water --> oxygen + glucose. This process occurs in plants, where they convert CO2 and H2O into glucose and release O2 as a byproduct.
5.
FLASHCARD QUESTION
Front
What pigment absorbs sunlight for photosynthesis?
Back
chlorophyll
Answer explanation
Chlorophyll is the pigment in plants that absorbs sunlight for photosynthesis, allowing them to convert light energy into chemical energy. Other options like chloroplasts and thylakoids are structures, not pigments.
6.
FLASHCARD QUESTION
Front
Look at the diagram. Which gas would most likely be found in the greatest amount in the bubbles?
Back
oxygen
Answer explanation
Oxygen is produced during photosynthesis and is commonly found in bubbles in aquatic environments. Therefore, it is the gas most likely present in the greatest amount in the bubbles compared to nitrogen, ozone, or carbon dioxide.
7.
FLASHCARD QUESTION
Front
If all four plants were watered daily but placed in a closet, receiving no sunlight, what process would NOT occur?
Back
Photosynthesis
Answer explanation
Photosynthesis requires sunlight to convert carbon dioxide and water into glucose and oxygen. In a closet with no sunlight, this process cannot occur, making it the correct answer.
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