Identify a type of molecular movement which is highly selective and requires special membrane proteins, but does not require energy.

What is the percentage of population which does not get the required water?

Which two types of proteins are present in plasma membrane?

The chemical reactions in which the reactants require high amount of activation energy are generally

A farm uses at least 800 kg of special feed daily. The special feed is a mixture of corn and soyabean with the following compositions : The dietary requirements of the special food stipulate at least 30% protein and at most 5% fibre. Determine the daily minimum cost of the food mix.

ASSERTION TYPE QUESTIONS : These questions consist of two statements 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 correct explanation of Assertion B. If both Assertion and Reason are true but Reasou is not correct explanation of Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion : Seeded plants are highly evolved. Reason: In spermatophyta, seeds are formed.

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: Algae are characterized by multicellular sex organs in which every cell forms the gamete. Reason: Sexual reproduction in algae is only of oogamous type.

ASSERTION TYPE QUESTIONS : These questions consist of two statements 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 correct explanation of Assertion. B. If both Assertion and Reason are true but Reason is not correct explanation of Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. . Assertion : Protandry is a condition in which anthers mature earlier than stigma. Reason : Cleistogamous flowers are bisexual and never open.