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A lemma is a proven statement used for proving another statement. (A) True (B) False

True A proven statement used for proving other statements is called a lemma So, the correct option is (A)

A compound formed by elements A and B has cubic structure in which A atoms are at the corners of the cube and B atoms are at the face centres. The formula of the compound will be ___________. (a) A₄B₃ (b) A₂B (c) AB₃ (d) A₂B₃

AB3 Number of atoms A present per unit cell = (1/8) x 8 = 1 Number of atoms B present... View Article

A large sleeping room with many beds (A) Bedroom (B) Dormitory (C) Hostel (D) Basement

Dormitory A large bedroom for a number of people in an institution or school is called as dormitory Therefore, the... View Article

Salary received by the manager of an agricultural farm is (A) agricultural income (B) salary income (C) business income (D) capital income

Salary received by the manager of agricultural farm is ‘salary income’. Therefore, the correct option is (B)

Which of the following diffuses fastest and which the slowest? Solid, Liquid and Gas. Give reasons for your answer.

Solids diffuse the slowest as the particles in solids do not move from their fixed positions. Gases diffuse the fastest... View Article

A gardener pushes a lawn roller through a distance 20 m. If he applies a force of 20 kg-wt in a direction inclined at 60⁰ to the ground, the work done by him is (A) 1960 J (B) 196 J (C) 1.96 J (D) 196 kJ

Given F = 20 kg – wt F = 20 x 9.8 N θ = 600 and s = 20... View Article

The maximum efficiency of full wave rectifier is: (A) 100% (B) 25.20% (C) 42.2% (D) 81.2%

The rectifier efficiency determines how efficiently the rectifier converts Alternating Current (AC) into Direct Current (DC). Rectifier efficiency is defined... View Article

Which one of the following is not a lateral meristem? (a) Intercalary meristem (b) Intrafascicular cambium (c) Interfascicular cambium (d) Phellogen

Intercalary meristem Intercalary meristem 1. It is located in the leaves and internodes at the intercalary position. 2. These help... View Article

Who was the Governor General of India at the time of the uprising of 1857? (A) Lord Dalhousie (B) Charles Canning (C) Lord Curzon (D) Lord Dufferin

Charles Canning was the Governor General of India at the time of the uprising of 1857 Charles Canning, 1st Earl... View Article

The lungs are protected by two membranes called __________ (A) Pleural membrane (B) Meninges (C) Mucous membrane (D) None of the above

Pleural membrane Pleura membrane surrounds the lungs and protects it from friction. Hence, the correct option is (A)

Define the unit of self inductance

Induction is the magnetic field which is proportional to the rate of change of the magnetic field. This definition of... View Article

What is the full form of CII? (A) Compilation of Indian Investment (B) Confederation of Indian Industry (C) Confederation of Inspection in Industry (D) None of these

The full form of CII is Confederation of Indian Industry. CII is a non-profit and non-governmental organization created by advisory... View Article

The chairperson of GST council is __________ (a) President of India (b) Prime Minister (c) Finance Minister (d) RBI Governor (e) Finance Secretary

Finance Minister is the chairperson of the GST council. Hence, the correct option is (c)

Extensive planting of trees to increase forest cover is called as (A) Afforestation (B) Agroforestry (C) Deforestation (D) Social forestry

Afforestation Afforestation is the planting of trees in a previously barren environment whereas deforestation is the destruction of trees and... View Article

Indian books and manuscripts were written on perishable materials such as __________. (A) Cloth (B) Palm leaves (C) The bark of Birch trees (D) All of these

Indian books and manuscripts were written on perishable materials such as palm leaves, tree bark and cloth which have little... View Article

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