Global MCQ Practice

🌐 Total MCQ
Home > General Knowledge > Science > Earth > Ecology – Quiz 9
🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books

Ecology Quiz 9 (25 MCQs)

Quiz Instructions:

Select an option to see the correct answer instantly.

1. One way of checking the expansion of the Thar Desert would be.
2. A series of events in which one organism eats another and obtains energy is called a
3. _____ is defined as the number of species represented in a specific region, landscape or an ecological community.
4. Branch of science including human science, population, community, ecosystem and biosphere?
5. What is true concerning an ecological community?
6. A hawk eats a mouse that lived in an ecosystem where there is 10, 000 kcals of energy in the insect population the mouse consumes. How much energy, in kcals, moves up to the trophic level the hawk is in?
7. The Earth's food chain starts with:
8. Autotrophs or producers make up the _____ level in all ecosystems.
9. A model representing the many interconnected food chains and pathways in which energy flows through a group of organisms.
10. The flow of energy in ecosystem is.
11. Living factors in an organism's environment.
12. How many biospheres exist on Earth?
13. Which of these can be a primary or a secondary consumer, as it eats both plants & animals?
14. The biome with the least amount of biodiversity.
15. What do you call a period of rapid growth?
16. The study of the relationship between organisms and their physical surroundings.
17. The elimination of this species often leads to the collapse of an ecosystem
18. The study of how things interact with each other and with their environment is called
19. In which horizon is the Bedrock
20. Wide variety of living organisms is called
21. Where are the most diverse ecosystems on Earth?
22. Due to the carrying capacity, in nature populations tend to show _____ growth patterns
23. Because animals attain their carbon and energy from organic sources, they are considered _____
24. Nitrogen fixation is carried out primarily by
25. Living things and their interactions with the environment and each other.
← PreviousNext →

Related Quizzes

🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books