MCQ
Fossils are generally found in:
- ASedimentary rocks.
- BIgneous rocks.
- CMetamorphic rocks.
- DAny type of rock.
Igneous rocks are formed from lava and hence no fossil can be found in them. Metamorphic rocks can be made from igneous or sedimentary rocks. Hence, ‘a’ is the correct answer.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$(1)$ Zooplanktons are primary producers in an aquatic ecosystem.
$(2)$ Decomposition is largely an oxygen requiring process.
$(3)$ In a natural ecosystem, fishes, wolf, etc. are carnivore.
$(4)$ The amount of energy decreases in each successive trophic level.