Biology MCQs:

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"In order to be irreplaceable, one must always be different."

― Coco Chanel

Science-Biology-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।

#: 31. Orange carrots get their bright orange color from________

A.

zeaxanthin

B.

soil

C.

chlorophyll

D.

beta-carotene

#: 32. Who won the Nobel Prize in Medicine for his discovery of the hepatitis B virus?

A.

Louis Pasteur

B.

Jonas Salk

C.

Dr. Baruch Blumberg

D.

Pablo DT Valenzuela

#: 33. Hay fever is often caused by a/an_______.

A.

Virus

B.

Allergy

C.

Bacteria

D.

Earthworm

#: 34. Who was first determined secquence of amino acid in protein ?

A.

Erwin Chargaff

B.

Jonas Salk

C.

Walter Gilbert

D.

Frederick Sanger

#: 35. What kind of muscle is the heart made of?

A.

Smooth Muscle

B.

Skeletal Muscle

C.

Cardiac Muscle

D.

Visceral Muscle

#: 36. Which of the following is a precursor of vitamin A?

A.

Lycopene

B.

Beta-Carotene

C.

Zeaxanthin

D.

alpha-Carotene

#: 37. Which of the following is the richest sources of Vitamin B (Thiamine)?

A.

Liver

B.

Banana

C.

Seafood

D.

Unpolished rice

#: 38. Which of the following organs produced the male sex cells of seed plants called pollen?

A.

Anther

B.

Xylem

C.

Mesophyll

D.

none of above

#: 39. Which one is the outermost layer in an animal cell of the following?

A.

cell wall

B.

Protoplasm

C.

cell membrane

D.

cytoplasm

#: 40. Which of the following is used as an atmospheric pollution indicator?

A.

Lychens

B.

Lepidoptera

C.

Lycopersicon

D.

Lycopene

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