Questions

Q:

Which of the following salts is acidic in nature?

A) Sodium Carbonate B) Ammonium Phosphate
C) Magnesium Sulphate D) Sadium Acetate
 
Answer & Explanation Answer: A) Sodium Carbonate

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Q:

The pH value increase from 7 to 14 represents a

A) decrease in H+ ion concentration B) decrease in OH- ion concentration
C) increase in OH- ion concentration D) increase in H+ ion concentration
 
Answer & Explanation Answer: C) increase in OH- ion concentration

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Q:

On which river is the city Madurai situated?

A) Cooum B) Kaveri
C) Vaigai D) Pennar
 
Answer & Explanation Answer: C) Vaigai

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Q:

Which one of the following derives nutrition from plants as a parasite?

A) Malaria Parasite B) Lice
C) Bryophyllum D) Cuscuta
 
Answer & Explanation Answer: D) Cuscuta

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Q:

Fertilisation of sperm with the ovum takes place in

A) Uterus B) Cervix
C) Fallopian Tube D) Ovary
 
Answer & Explanation Answer: C) Fallopian Tube

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Q:

If Metal A displaces Metal B from its solution, then Metal A ____.

A) is more reactive than B B) is less reactive than B
C) is heavier than B D) has the same reactivity as B
 
Answer & Explanation Answer: A) is more reactive than B

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Q:

Which of the following is NOT a noble gas?

A) Radon B) Krypton
C) Xenon D) Hydrogen
 
Answer & Explanation Answer: D) Hydrogen

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Q:

During the day which process is the major driving force in the movement of water in the xylem?

A) Transpiration pull B) Evaporation
C) Suction D) Translocation
 
Answer & Explanation Answer: A) Transpiration pull

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