Answer: A) Proteins Explanation: Enzymes are protein macromolecules. Enzymes are almost always made of proteins only. Proteins are large biopolymer molecules that are made up of repeating monomer units called amino acids. There are 20 different common amino acids that make up proteins like enzymes. Of these, nine amino acids are essential, which means you must get them from your diet. Enzymes catalyze chemical reactions in biological systems. This means that they speed up the rate of the reaction.

The Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 upto 40. Mutiples of 4 means which can be divided by 4 leaving remainder '0'. Common Multiples of 4 & 6 are 12, 24, 36, 48, 60 upto 60.

Answer: A) We can go see a movie, or we can get something to eat. Explanation: A compound sentence is a sentence that has at least two independent clauses joined by a comma, semicolon or conjunction. An independent clause is a clause that has a subject and verb and forms a complete thought. Here except option A) other two options dependent.   Hence, A) We can go see a movie, or we can get something to eat is a compound sentence.

Answer: D) Chhattisgarh Explanation: The 'Parents’ Worship Day' (or 'Matru-Pitru Diwas' ) is celebrated every year by the Chhattisgarh government on February 14 at all schools in the state to teach 'Bharatiya sanskriti' to students.

Answer: D) If statement A and B together are not sufficient. Explanation: From both statements we cannot conclude the train catched by Harish Since he missed at 4.15 and train coes at 4.30, 4.45, 5.00,... But in B given that he didn't catch the train at 4.45 and after that. So both statements A & B together are not sufficient to answer the question.

Answer: D) 1951 Explanation:

Answer: A) Connective Explanation: There are four types of tissue in human body. They are    1.Muscular2.Connective3.Epithelial4.Nervous   Among these Connective Tissue are most abundant in our body.    CONNECTIVE TISSUE   Functions:   1) Wraps around and cushions and protects organs2) Stores nutrients3) Internal support for organs4) As tendon and ligaments protects joints and attached muscles to bone and each other5) Runs through organ capsules and in deep layers of skin giving strength   The 3 Elements of Connective Tissue:1) Ground substance – gel around cells and fibers2) Fibers – provide strength, elasticity and support3) Cells   There are 2 Kinds of Connective Tissue:   1) Loose Connective Tissue: a) Areolar Connective Tissue – cushion around organs, loose arrangement of cells and fibers. b) Adipose Tissue – storehouse for nutrients, packed with cells and blood vessels c) Reticular Connective Tissue – internal supporting framework of some organs, delicate network of fibersand cells   2) Dense Connective Tissue: a) Dense Regular Connective Tissue – tendons and ligaments, regularly arranged bundles packed with fibersrunning same way for strength in one direction. b) Dense Irregular Connective Tissue – skin, organ capsules, irregularly arranged bundles packed with fibersfor strength in all directions.

Answer: B) United Arab Emirates Explanation: The President and Vice-President of United Arab Emirates Sheik Mohamed bin Zayed Al Nahyan and Shaik Mohammed bin Rashid Al Maktoum announced in Febraury 2017 that they are planning to build the first inhabitable human settlement on Mars by 2117.