NEET · Biology · Ecosystem & Ecology doubts
14 doubts found
What does “Energy flow” actually mean in Ecosystem & Ecology, and why does it matter for NEET?
energy moves one-way through an ecosystem — from the sun to producers to consumers — and is lost as heat at each step.
I keep getting “Energy flow” questions wrong in Ecosystem & Ecology. What's the trap?
thinking energy is recycled like nutrients.
What does “Ten percent law” actually mean in Ecosystem & Ecology, and why does it matter for NEET?
only about 10% of the energy at one trophic level passes to the next.
I keep getting “Ten percent law” questions wrong in Ecosystem & Ecology. What's the trap?
thinking most energy is transferred up the food chain.
What does “Trophic levels” actually mean in Ecosystem & Ecology, and why does it matter for NEET?
the feeding positions in a food chain: producers, primary consumers, secondary consumers, and decomposers.
I keep getting “Trophic levels” questions wrong in Ecosystem & Ecology. What's the trap?
forgetting decomposers, which recycle nutrients back to producers.
What does “Food chain vs food web” actually mean in Ecosystem & Ecology, and why does it matter for NEET?
real ecosystems are interlinked food webs rather than single isolated food chains.
I keep getting “Food chain vs food web” questions wrong in Ecosystem & Ecology. What's the trap?
assuming each organism eats only one type of food.
What is the difference between food chain and food web?
A food chain is a single linear feeding sequence; a food web is many interconnected chains showing all feeding relationships.
What is the difference between producers and consumers?
Producers (green plants) make their own food by photosynthesis; consumers eat other organisms for energy.
What is the difference between energy flow and nutrient cycling?
Energy flows one-way through the ecosystem and is lost as heat; nutrients (carbon, nitrogen) are recycled repeatedly.
How is Ecosystem & Ecology tested in NEET, and what should I focus on?
Prioritise the core ideas: Energy flow, Ten percent law, Trophic levels.
What are the most common mistakes students make in Ecosystem & Ecology?
nutrients are recycled, but energy flows one-way and is steadily lost as heat — hence the 10% law.
How do I revise Ecosystem & Ecology quickly before the exam?
One-page summary of Energy flow, Ten percent law, Trophic levels, then timed previous-year questions.