🌟 Class
7 Science Curiosity – Chapter 10 Solutions
🌿 Life
Processes in Plants | Amresh Academy
✍️ 🔹 Very
Short Answer Type Questions
What is photosynthesis?
👉 Answer:
🌞 Photosynthesis is the
process by which plants prepare food using sunlight, carbon dioxide, water
and chlorophyll
➡️ Produces glucose 🍬 and oxygen 🌬️
Which part of the plant performs photosynthesis?
👉 Answer:
🍃 Leaves are the
main site of photosynthesis
What are stomata?
👉 Answer:
🔬 Tiny pores on leaves
➡️ Help in gas exchange (CO₂ in, O₂ out)
Which gas is released during photosynthesis?
👉 Answer:
🌬️ Oxygen (O₂)
What are the two transport tissues in plants?
👉 Answer:
🌿 Xylem and Phloem
🧠 🔹 Short
Answer Type Questions
What role does chlorophyll play in
photosynthesis?
👉 Answer:
🟢 Chlorophyll absorbs
sunlight 🌞
➡️ Helps convert CO₂ + water into glucose +
oxygen
Why is the iodine test done in leaves?
👉 Answer:
🧪 To check presence of starch
➡️ Confirms photosynthesis
What does the phloem transport in plants?
👉 Answer:
🍬 Transports food from
leaves to other parts
What is the function of the xylem?
👉 Answer:
💧 Transports water &
minerals from roots
Why is carbon dioxide important for
photosynthesis?
👉 Answer:
🌫️ CO₂ is a raw material
needed for food formation
📖 🔹
Descriptive Answer Type Questions
How do plants use the glucose produced during
photosynthesis?
👉 Answer:
⚡ Provides energy
🍬 Extra stored as starch
➡️ Stored in roots, stems, fruits
Explain the process of water transport in
plants.
👉 Answer:
💧 Roots absorb water
➡️ Xylem carries it to leaves
➡️ Supports photosynthesis
Describe an activity to show the release of
oxygen during photosynthesis.
👉 Answer:
🌿 Water plant in sunlight
🫧 Bubbles collected in
tube
➡️ Shows oxygen release
What happens when a plant is kept in the dark
for 36 hours?
👉 Answer:
🌑 No photosynthesis
➡️ No starch formed
➡️ Iodine test negative
How does temperature affect photosynthesis?
👉 Answer:
🌡️
- Low
temp → slow
- High
temp → stops
- Moderate
→
best
🚀 🔹
Exploring Questions
Why is photosynthesis essential for all living
beings?
👉 Answer:
🌍 Provides food 🍬 & oxygen 🌬️
➡️ Base of food chain
How does the design of leaves help in
photosynthesis?
👉 Answer:
🍃 Broad & flat →
absorbs sunlight
🔬 Many stomata → gas
exchange
What would happen if all photosynthetic
organisms disappeared?
👉 Answer:
❌ No oxygen
❌ No food
➡️ Life on Earth ends
How do plants balance oxygen and carbon dioxide
in the environment?
👉 Answer:
🌞 Photosynthesis → CO₂ in, O₂ out
🌙 Respiration → O₂ in, CO₂ out
Why is respiration in plants important despite
photosynthesis?
👉 Answer:
⚡ Respiration releases energy
➡️ Needed for growth &
survival
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