Give four reasons why a snail and an octopus are classified under the same phylum.

Give three reasons why air is considered a mixture and not a compound.

Give reasons: sodium,potassium and lithium are stored under oil.

Give reason,why? C_4 plants show Kranz anatomy.

Give reason why fungi should not be included in plant kingdom?

Give reasons,why? Plants usually form urea and required the enzyme urease.

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: Bats and whales are classified as mammals. Reason: Bats and whales have four-chambered heart.

Give reason,why? Quantum requirement in photosynthesis is 8.