Class 12 · Ecosystem

Inverted Energy Pyramids — NEET Biology

🔥 Predicted for NEET 2027
📖 NCERT Source

There are exceptions to this generalisation: If you were to count the number of insects feeding on a big tree what kind of pyramid would you get? Now add an estimate of the number of small birds depending on the insects, as also the number of larger birds eating the smaller. Draw the shape you would get.

NCERT Biology · Class 12 · Chapter 12 · Paragraph 33
Why This May Be Tested in NEET 2027

Adjacent to a frequently-asked paragraph in the same chapter.

Practice This Concept
QuestionPredicted for NEET 2027

Match the Following: Column I A. Gross Primary Productivity B. Mineralisation C. Grazing Food Chain D. Top Consumer Column II 1. Conversion of inorganic nutrients from humus 2. Tertiary carnivore 3. Total photosynthesis including respiration losses 4. Energy flow major in aquatic ecosystems

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: C A–3, B–1, C–4, D–2

Leaching sends nutrients down. Saprotrophs = fungi, bacteria. Forest pyramid inverted. Secondary consumers feed on herbivores.

❓ Frequently Asked Questions
What does NCERT say about There are exceptions to?
There are exceptions to this generalisation: If you were to count the number of insects feeding on a big tree what kind of pyramid would you get? Now add an estimate of the number of small birds depending on the insects, as also the number of larger birds eating the smaller.
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Ecosystem, Class 12 NCERT Biology.

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