Download App

MODEL PAPER - 7 [2026] — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMODEL PAPER - 7 [2026]2 Marks
Question
Given below is an energy flow diagram. Study it carefully and answer the following questions:
Image
a. How much energy (in units) will pass from grass to goat?
b. How much energy (in units) will pass from goat to tiger?
c. Which law operates during the transfer of energy from grass to goat to tiger?
✓

Answer

a. 10 units of energy will pass from grass to goat.
b. 1 unit of energy will pass from goat to tiger.
c. Lindeman's Ten percent law operates during the transfer of energy from grass to goat to tiger.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[2 Mark Questions]" from MODEL PAPER - 7 [2026]→MODEL PAPER - 7 [2026] — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

What is the potential difference between the terminals of a battery if 250 joules of work is required to transfer 20 coulombs of charge from one terminal of battery to the other?
→
The picture given here shows a person wearing 'half-moon' spectacles. What sort of eye-defect do do you think he has? Why are these particular spectacles useful to him?
→
Why soap solution appears cloudy?
→
What are the causes of depletion of ozone layer? Which diseases are likely to be caused if the ozone layer will become thinner?
→
Delivery of sperms from where they are produced to the urethra is facilitated by which part?
→
What are the various sense organs in our body?
→
An element ‘A’ has two electrons in the outermost shell of its atom and combines with an element ‘B’ having seven electrons in the outermost shell, forming the compound $AB_2$. The compound when dissolved in water conducts electric current. Giving reasons, state the nature of chemical bond in the compound.
→
What happens when a beam of sunlight enters a dusty room through a window? Explain your answer.
→
Why do stars seem higher than they actually are? Illustrate your answer with the help of a diagram.
→
Write any two uses of biogas.
→