Biology Mcqs Page 4 - Pak Mcqs Point

Most Important Biology Mcqs

61- The process of making an identical copy of DNA is called:

A. Transcription

B. Translation

C. Replication

D. Mutation

View Answer

Answer : C. Replication

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62- What is the full form of DNA?

A. Deoxyribose nucleic acid

B. Dicarboxylic nucleic acid

C. Deoxynitrogen acid

D. None of these

View Answer

Answer : A. Deoxyribose nucleic acid

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63- In genetics, a dominant allele is represented by a:

A. Small letter (e.g., a)

B. Capital letter (e.g., A)

C. Number

D. None of these

View Answer

Answer : B. Capital letter (e.g., A)

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64- A child inherits its genetic material from

A. Only the mother

B. Only the father

C. Both parents

D. Neither parent

View Answer

Answer : C. Both parents

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65- The genotype of an organism represents:

A. Physical appearance

B. Genetic makeup

C. Behavior

D. None of these

View Answer

Answer : B. Genetic makeup

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66- Which of the following is a bacterial disease ?

A. Malaria

B. Tuberculosis

C. AIDS

D. Influenza

View Answer

Answer : B. Tuberculosis

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67- Which of the following is a viral disease ?

A. Polio

B. Cholera

C. Typhoid

D. Tuberculosis

View Answer

Answer : A. Polio

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68- Which disease is caused by Plasmodium ?

A. Tuberculosis

B. Typhoid

C. Dengue

D. Malaria

View Answer

Answer : D. Malaria

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69- Rabies is caused by ?

A. Virus

B. Bacteria

C. Protozoa

D. Fungus

View Answer

Answer : A. Virus

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70- What is the causative agent of COVID-19 ?

A. HIV

B. H1N1

C. Ebola

D. SARS-CoV-2

View Answer

Answer : D. SARS-CoV-2

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71- Which vitamin is known as the "sunshine vitamin" ?

A. Vitamin A

B. Vitamin B

C. Vitamin C

D. Vitamin D

View Answer

Answer : D. Vitamin D

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72- Which is the largest cell in the human body ?

A. Sperm cell

B. Nerve cell

C. Egg cell (Ovum)

D. Muscle cell

View Answer

Answer : C. Egg cell (Ovum)

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73- The process by which plants make their own food using sunlight is called ?

A. Respiration

B. Photosynthesis

C. Fermentation

D. Transpiration

View Answer

Answer : B. Photosynthesis

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74- Which gas is essential for respiration in humans ?

A. Oxygen

B. Nitrogen

C. Hydrogen

D. Carbon dioxide

View Answer

Answer : A. Oxygen

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75- What is the pH of pure water ?

A. 5

B. 7

C. 9

D. 11

View Answer

Answer : B. 7

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76- The functional unit of the nervous system is:

A. Synapse

B. Axon

C. Nephron

D. Neuron

View Answer

Answer : D. Neuron

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77- Which part of the brain controls breathing and heart rate ?

A. Cerebrum

B. Medulla oblongata

C. Cerebellum

D. Hypothalamus

View Answer

Answer : B. Medulla oblongata

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78- What is the main function of platelets ?

A. Transport oxygen

B. Fight infections

C. Blood clotting

D. Produce hormones

View Answer

Answer : C. Blood clotting

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79- The longest bone in the human body is:

A. Femur

B. Humerus

C. Tibia

D. Radius

View Answer

Answer : A. Femur

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80- The human body has how many pairs of ribs ?

A. 10

B. 12

C. 14

D. 16

View Answer

Answer : B. 12

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