Biology MCQs:

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"A man who dares to waste one hour of time has not discovered the value of life."

― Charlse Darwin

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।

# 11. In which one of the following is the anus absent?

A.

Earthworm

B.

Flatworm

C.

Leech

D.

Roundworm

# 12. Trachoma is a disease of the______.

A.

liver

B.

kidney

C.

brain

D.

eye

# 13. How many chromosomes does a bacterium have?

A.

46

B.

1

D.

23

# 14. Which organ is directly affected by Rickets?

A.

Bone tissue

B.

Muscle tissue

C.

Epithelial tissue

D.

Adipose tissue

# 15. what is the other name of vitamin 'C'?

A.

ascorbic acid

B.

carbolic acid

C.

acetic acid

D.

amino acid

# 16. All of the chemical reactions that occur in the body are collectively known as_______.

A.

anabolism

B.

metabolism

C.

catabolism

D.

complex reaction

# 17. Oxigen released during photosynthesis comes from which of the following?

A.

Pyruvic acid

B.

Glucose

C.

Carbon dioxide

D.

Water

# 18. what elements do nucleic acids contain?

A.

carbon, hydrogen, oxygen, and nitrogen

B.

carbon, hydrogen, oxygen and ammonia

C.

chlorine hydrogen, oxygen, and nitrogen

D.

carbon, sodium, oxygen, and nitrogen

# 19. where are red blood cells produced in the human body?

A.

Brain

B.

Heart

C.

Bone marrow

D.

Liver

# 20.Which bacteria converts milk into curd?

A.

Chloroflexi

B.

Lactobacillus

C.

Nitrospirae

D.

Acrobic

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