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GeographyEasyAsked in: CDS · CDS-I 2020, GK

Which one of the following is the biggest cause of incidence of migration of female persons in India?

  1. A.Employment
  2. B.Education
  3. C.Marriage
  4. D.Business

Correct answer

C. Marriage

Explanation

The correct answer is C, Marriage. In India most women move from their parents' home to their husband's home after marriage, so marriage is by far the largest reason for female migration. The Census records the reason for each person's migration, and in every recent Census well over half of all female migrants have given marriage as the reason. The share is even higher for movement from one village to another within the same state, where most such marriages take place. For male migrants, on the other hand, the leading reason is work or employment, which is why men dominate the movement from villages to big cities. Option A is wrong because employment is the main reason for men, while only a small share of women migrate for work. Option B is wrong because education draws only a small share of migrants of either sex. Option D is wrong because business is a minor reason, given mostly by men. Exam tip: in the Census, women migrate mainly for marriage and men mainly for work.

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Q1.GeographyAsked in: CDS · CDS-I 2021, GKEasy

Alluvial soils vary in nature from sandy loam to clay. They are generally

  1. A.poor in potash and rich in phosphorus.
  2. B.poor in both potash and phosphorus.
  3. C.rich in both potash and phosphorus.
  4. D.rich in potash and poor in phosphorus.
Show answer
Correct answer: D. rich in potash and poor in phosphorus.

Alluvial soils, laid down by rivers, generally contain plenty of potash but lack phosphorus, and they are also often short of nitrogen and humus.

Q4.GeographyAsked in: CDS · CDS-I 2021, GKEasy

Which one of the following statements about primary waves of earthquakes is not correct ?

  1. A.They are similar to sound waves.
  2. B.They can travel only through solid materials.
  3. C.They travel through gaseous, liquid and solid materials.
  4. D.They move faster and are the first to arrive at the surface.
Show answer
Correct answer: B. They can travel only through solid materials.

This statement is false because primary waves pass through solids, liquids and gases alike. Primary or P-waves are longitudinal waves: they push and pull the rock in the same direction in which the wave travels, compressing and stretching the material just as sound waves compress air.