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Convert 172 into binary number.

To convert 172 into binary number, we need to repeatedly divide 172 by 2 and note down the remainders. 172/2 = 86; Remainder = 0 86/2 = 43;... View Article

LCM of numbers 72, 108 and 2100.

LCM of numbers 72, 108 and 2100 Prime factorisation of 72 = (2 × 2 × 2 × 3 × 3) = 23 × 32 Prime... View Article

Arrange from the least to the greatest: 0.55, −7/8 , -0.8, 5/8, 3.

Given, 0.55, −7/8 , -0.8, 5/8 , 3 0.55, -0.875, -0.8, 0.625, 3 Arranging them from least to greatest, i.e., in ascending order, we... View Article

The approximate uniform distance between two strands of B-DNA is

a) 34 Angstrom b) 18 Angstrom c) 36 Angstrom d) 20 Angstrom Answer: d) 20 Angstrom Explanation: The B-DNA structure is the most... View Article

Statement 1: In diploid organisms, chromosomes occur in pairs Statement 2: In each pair, one chromosome is from the mother, and the other is from the father.

a) Both statements are wrong. b) Both statements are right. c) Statement 1 is right, and 2 is wrong d) Statement 1 is wrong, and 2 is... View Article

‘RNA is the genetic material in lambda phage’ – This statement is

a) True b) False Answer: b) False Explanation: The lambda phage has a head and a tail structure. The head contains genetic material.... View Article

Assertion (A): Glycine need not be taken in diet. Reason (R): Glycine is a non-essential amino-acid

a) Both A and R are wrong statements. b) A is correct, and R explains A. c) A is correct, but R is wrong. d) A is wrong, but R is right.... View Article

Some bacteria are able to grow in Penicillin containing medium due to

a) Genetic Drift b) Reproductive isolation c) Natural selection d) Induced mutation Answer: c) Natural selection. Explanation: A colony... View Article

The Size Of The Colloidal Particles May Range From________.

(A) 1 to 10 mm (B) 1 to 100 pm (C) 1 to 1000 nm (D) 10 to 100 pm The Correct Answer is(C) 1 to 1000 nm Solution: In the colloidal... View Article

Butanenitrile may be prepared by heating_______.

(A) Butyl Alcohol with KCN. (B) Propyl Alcohol with KCN. (C) Butyl Chloride with KCN. (D) Propyl Chloride with KCN. The Correct Answer is (D)... View Article

The maximum number of atoms that lie in the same plane in PCl5 molecule is ______.

(A) 5 (B) 4 (C) 3 (D) 2 The Correct Answer is (B) 4. Solution: Phosphorus pentachloride (PCl₅) has trigonal bipyramidal geometry. It has a... View Article

The Number Of Moles Of KMnO4 Required To Oxidise 1 Mole Of Fe(C2O4) is________.

(A) 0.2 (B) 0.4 (C) 0.6 (D) 1.67 The Correct Answer is (C) 0.6 Solution: The number of electrons involved in the oxidation of per... View Article

What Is The Weight Of V2O5 Produced From 2g of VO and 5.75 g of Fe2O3?

(A) 5.07 g (B) 5.17 g (C) 5.27 g (D) 5.37 g The Correct Answer is (B) 5.17 g Solution: Given: The balanced reaction is The... View Article

124amu Of P4 Will Contain________.

(A) 4 Atoms os Phosphorus (B) 4NA Atoms of Phosphorus (C) NA Molecules of Phosphorus (D) Both (B) and (C) The Correct Answer is (D) Both... View Article

When KMnO4 Reacts With H2O2 In Slightly Alkaline.Which of the following chemical element is formed?

(A) Mn2O3 (B) Mn+7 (C) Mn+2 (D) Mn2O3 The Correct Answer is (C) Mn+2 Solution: When KMnO4 Reacts With H2O2 in a slightly Alkaline medium,... View Article

The Shape Of ClO3- According To VSEPR Model Is

(A) Pyramidal (B) Tetrahedral (C) Square planar (D) Planar triangle The Correct Answer is (A) Pyramidal Solution: According to VSEPR... View Article

If ‘b’ Is Van Der Waal Constant Of Argon Then The Molecular Diameter Of Argon Molecule Can Be Represented By The Expression________.

(A) (B) (C) (D) The Correct Answer is (A) Solution: Explore more such questions and answers at BYJU'S.... View Article

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