Questions

Q:

Who proved that microorganisms cause disease?

A) van Leeuwenhoek B) Koch
C) Fleming D) Pasteur
 
Answer & Explanation Answer: B) Koch

Explanation:
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Filed Under: General Science
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Q:

A symbol that represents a speech sound

A) Phonemes B) Grapheme
C) Phonics D) None of the above
 
Answer & Explanation Answer: B) Grapheme

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Filed Under: English
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Q:

The book Historia plantrum is written by

A) Aristotle B) Theophrastus
C) Hipporates D) Darwin
 
Answer & Explanation Answer: B) Theophrastus

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Filed Under: Biology

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Q:

Which structure is common to plant and animal cells?

A) Centriole B) Chloroplast
C) Central Vacuole D) Mitochondria
 
Answer & Explanation Answer: D) Mitochondria

Explanation:

Mitochondria are present in both plant and animal cells.

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Q:

Between which one of the following pairs of Islands in DuncanPassage located?

A) South Andaman and Little Andaman B) Little Andaman and Car Nicobar Island
C) Car Nicobar Island and Little Nicobar Island D) Little Nicobar Island and Great Nicobar Island
 
Answer & Explanation Answer: A) South Andaman and Little Andaman

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Filed Under: Indian Geography

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Q:

A substance that cannot be broken down into simpler substances

A) Heterogenous mixure B) Compound
C) Homogenous mixture D) Element
 
Answer & Explanation Answer: D) Element

Explanation:

A substance that cannot be decomposed (broken down) into simpler substances by ordinary chemical means.

Examples: gold, iron, carbon, hydrogen, oxygen, nitrogen.

Material composed of only one kind of matter throughout (same atoms or same molecules).

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Filed Under: Chemistry
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Q:

 Which of the following is an advantage of partitioning?

A) Complexity B) Inconsistent access speed
C) Extra space D) Security
 
Answer & Explanation Answer: D) Security

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Filed Under: Database

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Q:

The only couple to win the Nobel Prize were the

A) Ruther Fords B) Curies
C) Davies D) Millikans
 
Answer & Explanation Answer: B) Curies

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Filed Under: Honours and Awards

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