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Exine of pollen grain is made up of (A) Pectocellulose (B) Ligno cellulose (C) Sporopollenin (D) Pollen kit

Sporopollenin The exine of the pollen grain is made up of sporopollenin. This material is highly resistant to high temperature, acids, alkalies,... View Article

On what belief are contingency theories of leadership based? (A) That there is single style of leadership appropriate to all managers (B) That there is no single style of leadership appropriate to all managers (C) That there is no single style of leadership appropriate to all situation (D) None of the above

That there is no single style of leadership appropriate to all managers Hence, the correct option is (B)... View Article

Name the plant hormone responsible for elongation of cells (A) Auxin (B) Gibberellin (C) Abscisic acid (D) Cytokinins

Auxin Auxin means to enlarge or increase, which used widely in the field of agriculture and horticulture. They induce cell division,... View Article

Which of the following are the two key concepts of Darwinian theory of evolution? (A) Genetic drift and mutation (B) Adaptive radiation and homology (C) Mutation and natural selection (D) Branching descent and natural selection

Branching descent and natural selection According to Darwin's theory of evolution, nature selects the most suitable. Fitness is based on the... View Article

Identify the wrong statement in the following Coulomb’s law correctly describes the electric force that (A) binds the electrons of an atom to its nucleus (B) binds protons and neutrons in the nucleus of an atom (C) binds atoms together to form molecules (D) binds atoms and molecules to form solids

binds protons and neutrons in the nucleus of an atom Since the Coulomb's force applies between two charged bodies and the neutrons doesn't have... View Article

Classify each of the following as being either a p-type or an n-type semiconductor (i) Ge doped with In (ii) B doped with Si

(i) Ge is a 14th group element and In is a 13th group element. An electron deficit hole created, when 14th group element is doped with 13th group... View Article

Enumerate some important features of the Himalayan rivers

Following are the important features of Himalayan rivers 1. Most of the Himalayan rivers are in perennial in nature. This means that they have... View Article

The highest oxidation state of Cr will be (A) 2 (B) 3 (C) 4 (D) 6

6 The value of highest oxidation state of chromium is 6. Electronic configuration of Cr = [Ar]4s13d5. It can lose 5d electrons and 1s electron... View Article

What led to the substantial decline in poverty in China and Southeast Asian countries?

1. The reason that there was a substantial decline in poverty in China and Southeast Asian countries was the high economic growth in these... View Article

Four cows are tethered at four corners of a square plot of side 50m, so that they just cannot reach one another. What area will be left un-grazed?

Given, Side of square plot = 50 m Radius of a quadrant = 25 m Hence, we can say Area of plot left un-grazed = Area of the plot – 4 x... View Article

The number of quadratic equation which are unchanged by squaring their roots, is (A) 2 (B) 4 (C) 6 (D) None of these

We have to form a quadratic equation whose root on squaring their roots does not change So, let α, β be the quadratic equation's roots... View Article

Which of the following substance has the highest melting point? (A) BaO (B) MgO (C) KCl (D) NaCl

MgO Lattice energy is directly proportional to charge of the ion and size of ions. Lattice energy is inversely proportional to the size of ion.... View Article

12 Oct 2021: UPSC Exam Comprehensive News Analysis

Oct 12th, 2021, CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS 1. India, China commander talks... View Article

Who are called revolutionaries?

A revolutionary is a person who either participates in, or advocates a revolution. Also, when used as an adjective, the term revolutionary refers... View Article

Who founded Yugantar?

Yugantar (also spelt as Jugantar) was founded by Barindra Kumar Ghosh. Barindra Kumar Ghosh Was an Indian revolutionary and journalist and a... View Article

What is meant by the Home Rule Movement?

Home rule movement calls for the governance of a colony, dependent country, or region by its own citizens. It is thus the power of a... View Article

Who annulled the partition of Bengal in 1911?

The partition of Bengal was annulled in 1911 by Lard Hardinge. It was done in response to the Swadeshi movement's riots in protest against the... View Article

Who Cancelled the partition of Bengal?

Lord Hardinge, who succeeded Lord Curzon, reversed the partition of Bengal due to violence and the rise of movements such as the Swadeshi and... View Article

What happened during the partition of Bengal?

The partition of Bengal resulted in the entity of Bengal being divided into West and East Bengal. West Bengal was majority Hindu while East... View Article

What are the main features of the Swadeshi movement?

Some of the main features of the Swadeshi movement was Boycott of all British made goods To cripple the trade of colonial government Encourage... View Article

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