90 D in a R A => 90 degrees in a Right Angle.  This is similar to  26 L of the A = 26 Letters of the Alphabet 12 S of the Z.

Answer: D) All the above Explanation: Glycolysis is the chemical process that converts glucose C₆H₁₂O₆, into Pyruvate, CH₃COCOO− + H⁺.   It represents the first stage in the chemical oxidation of glucose by a cell. The free energy released in this process is used to form the high-energy molecules ATP and NADH.

Answer: B) Gujarat Explanation:

Answer: D) 476 Explanation: Given 376  438  476  389  567    After interchanging 1st and 2nd digits   736  348  746  839  657     Now, arranging in descending order 839  746  736  657  348    Here in second place 746   Therefore, 476 is the answer.

Answer: A) Central Government Explanation: Corporation tax is a tax imposed on the net income of the company. Companies, both private and public which are registered in India under the Companies Act 1956, are liable to pay corporate tax. Taxes in India are levied by the Central Government and the state governments. Some minor taxes are also levied by the local authorities such as the Municipality. The authority to levy a tax is derived from the Constitution of India which allocates the power to levy various taxes between the Central and the State.   Hence, Corporate Tax is imposed by Central Government.

Answer: A) amino acids Explanation: It is the fact that all type of proteins are polymers of amino acids. So that, plants are also used to synthesise protein from amino acids.    Plants synthesis protein from amino acids in the presence of ATP by specific synthetases. This reaction is followed by the attachment of these activated amino acids to specific tRNA molecules, with the formation of aminoacyl-tRNA molecules.

Answer: A) contains fluoride to harden the tooth enamel Explanation: Saliva is produced by the salivary gland which helps in food digestion.   Option A) contains fluoride to harden the tooth enamel is not the function of saliva.

Answer: D) Wife Explanation:   So, the speaker is the mother of chotu. Kiran is wife of chotu's father. Chotu's father is not shown in the diagram.