انسان اور اس کا ماحول

Written by Dr. Hira Salman (Biology)

دسویں جماعت · حیاتیات · 9 سوالات

نام: ____________________ تاریخ: ____________

Plants are called producers because they:
- A Break down food
- B Decompose waste
- C Make their own food
- D Eat animals
In a food chain, the first organism is always a:
- A Producer
- B Consumer
- C Decomposer
- D Carnivore
Organisms that break down dead matter are:
- A Decomposers
- B Producers
- C Predators
- D Herbivores
Which of these is a greenhouse gas?
- A Helium
- B Methane
- C Neon
- D Argon
Cutting down forests is called:
- A Afforestation
- B Deforestation
- C Reforestation
- D Conservation
The Sun is the ultimate source of energy for:
- A Fungi only
- B Almost all food chains
- C Only animals
- D Only plants in water
An animal that eats both plants and animals is an:
- A Carnivore
- B Herbivore
- C Decomposer
- D Omnivore
Recycling helps to:
- A Cause pollution
- B Increase waste
- C Destroy forests
- D Reduce waste
The release of harmful substances into the environment is:
- A Conservation
- B Succession
- C Pollution
- D Respiration

جوابی کلید

1. C, 2. A, 3. A, 4. B, 5. B, 6. B, 7. D, 8. D, 9. C