Questions

Q:

In the Modern Periodic Table, a zig-zag line separates

A) metals from halogens B) non-metals from metalloids
C) metals from non-metals D) metals from metalloids
 
Answer & Explanation Answer: C) metals from non-metals

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Q:

Which of the following is the correct description of the term sex-ratio as used in the context of the census of population?

A) Number of males per 1000 females. B) Number of females per 1000 males.
C) Number of females per 100 males. D) Number of females in a sample of 1000 persons.
 
Answer & Explanation Answer: B) Number of females per 1000 males.

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Q:

In 2017, which Indian scientist was honoured with the Living Legend Award by the International Union of Nutritional Sciences (IUNS) for stellar contributions in the area of nutrition?

A) Rohini Godbole B) Tessy Thoms
C) Mahtab Bamji D) Suman Sahaia
 
Answer & Explanation Answer: C) Mahtab Bamji

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Q:

Which of the following statements is true?

A) In grasshoppers and some insects, the male has only four sex chromosomes B) A male individual contains one X and two Y chromosomes
C) In human beings, there are 46 chromosomes, of which 42 (21 pairs) are autosomes D) In diploid organisms having separate sexes, a specific pair of chromosomes in each diploid cell determines the sex of the individual, they are called sex chromosomes.  
 
Answer & Explanation Answer: D) In diploid organisms having separate sexes, a specific pair of chromosomes in each diploid cell determines the sex of the individual, they are called sex chromosomes.  

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Q:

Rupee 5 and 10 coins are now made of

A) Ferritic stainless steel B) Silver and steel
C) Cupro nickel alloy D) Copper and brass
 
Answer & Explanation Answer: C) Cupro nickel alloy

Explanation:

The copper nickel alloys composed of copper with 25% nickel with 0.05-0.4% manganese is commonly used for the manufacture of coins, medals and other semi valuable applications.

 

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Q:

Which union minister from the Lok Jana Shakti Party belongs to PM Narendra Modi's Cabinet?

A) J.P. Nadda B) Ram Vilas Paswan
C) Ravi Shankar Prasad D) Radha Mohan Singh
 
Answer & Explanation Answer: B) Ram Vilas Paswan

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Q:

Yellow fever is mainly transmitted among humans by

A) Female mosquito bite B) Male mosquito bite
C) Water D) Air
 
Answer & Explanation Answer: A) Female mosquito bite

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Filed Under: Biology
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Q:

Irfaan loves black coffee. A roadside stall selling a cup of black coffee at Rs. 120, offered 25% discount to Irfaan. If Irfaan was willing to pay even Rs. 200 for this cup of black coffee, Irfaan's consumer surplus is

A) 90 B) 80
C) 30 D) 110
 
Answer & Explanation Answer: D) 110

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