General Science MCQs:

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"You can never be overdressed or overeducated."

― Oscar Wilde

Science-General Science-Multiple Choise Questions and Answers

প্রতিটি প্রশ্নের জন্য চারটি করে উত্তর থাকবে যার একটি সঠিক, বামদিকে A, B, C এবং D এর উপর ক্লিক করে সঠিক উত্তরটি দেখতে পারেন। যদি উত্তর সঠিক হয় তবে অপশনটির ডান দিকে টিক () আর উত্তর ভূল হলে ক্রস () চিনহ প্রদ্ররশিত হবে।

# 41. Which of the following is the lightest metal?

A.

Silver

B.

Lead

C.

Mercury

D.

Lithium

# 42. Which one of the following is not a mixture?

A.

Air

B.

Distilled water

C.

Gasoline

D.

LPG

# 43. Which one is the basic gas that is used in the manufacture of fertilizers such as Urea?

A.

Nitrogen

B.

Ammonia

C.

Chlorine

D.

Hydrogen

# 44. Who was discovered Nucleus?

A.

Rutherford

B.

Einstein

C.

Newton

D.

Dalton

# 45. Orange is a rich source of_______.

A.

Protein

B.

Fat

C.

Vitamin

D.

Minaral Salt

# 46. Which of the following is not an isotope of hydrogen?

A.

Deuterium

B.

Yttrium

C.

Protium

D.

Tritium

# 47. Which one of the following technology is related to WiMAX

A.

Wi-Fi Technology

B.

Space Technology

C.

Missile technology

D.

Communication Technology

# 48. The reaction of an acid with a base to produce_______and_______only is called a neutralization reaction.

A.

salt, water

B.

hydrogen, sulfur

C.

carbohydred, water

D.

alcohol, water

# 49. Which one is the following process of science?

A.

Experiments > Observations > Hypothesis

B.

Observation > Hypothesis > Experiments

C.

Observation > Experiments > Hypothesis

D.

Hypothesis > Observations > Experiments

# 50. The key factor in determining the weather is :

A.

The quantity of Ozone in the atmosphere.

B.

The quantity of Oxygen in the atmosphere.

C.

The quantity of water vapour in the atmosphere.

D.

The quantity of carbondioxide in the atmosphere.

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