Biology MCQs

Attempt Biology MCQs from the past papers of PPSC, KPPSC, SPSC, BPSC, and NTS.

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Q 101: In the human body, the gall bladder is the part of the which system.

A) Nervous
B) Rcproductive
C) Digestive
D) Respiratory

Q 102: Which acid is produced in Gastric juice of gall bladder?

A) Nitric Acid
B) Hydrochloric Acid
C) Sulphuric Acid
D) None of these

Q 103: Duodenum Jejunum is a part of:

A) Large Intestine
B) Small Intestine
C) Stomach
D) Kidney

Q 104: The pancreatic juice which aids digestion is secreted into?

A) Liver
B) Duodenum
C) Stomach
D) Ileum

Q 105: Villi are small finger-tike structures in the:

A) Large intestine
B) Small intestine
C) Stomach
D) Esophagus

Q 106: Which organ is responsible for producing insulin?

A) Heart
B) Kidneys
C) Liver
D) Pancreas

Q 107: Which of the following medicines is administered to patients suffering from diabetes?

A) Penicillin
B) Insulin
C) Sulpha drugs
D) None of these

Q 108: Inflammation of appendicitis is called?

A) Appendex
B) Goiter
C) Gulcoma
D) None of these

Q 109: Which component of diet helps in preventing constipation?

A) Fats
B) Proteins
C) Fibers
D) None of these

Q 110: Mastication is called the process of:

A) Digestion
B) Grinding
C) Chewing
D) Swallowing

Q 111: Inhaled air passes through which of the following in the last?

A) Bronchiole
B) Trachea
C) Bronchi
D) Alveoli

Q 112: Asthma is provoked by:

A) Fever
B) Allergy
C) Cold
D) Headache

Q 113: Insects breathe through:

A) Spiracles
B) Bronchi
C) Trachea
D) None of these

Q 114: Frog respires through?

A) Gills
B) Lungs
C) Skin
D) None of these

Q 115: The respiratory problem common in smokers is:

A) Tuberculosis
B) Asthma
C) Emphysema
D) None of these

Q 116: What is the capacity o f the lung?

A) 3 litre
B) 5 litre
C) 4 litre
D) 8 litre

Q 117: What is the leading cause of 90% of tung cancer cases?

A) Smoking
B) Cold Drinks
C) Water Pollution
D) None of these

Q 118: How many times does a normal man respire per minute:

A) 10-15 times
B) 14-18 times
C) 20-25 times
D) 2S-30 times

Q 119: Diaphragm is a thin skeletal muscle in body:

A) Digestion system
B) Respiratory System
C) Nervous System
D) None of these

Q 120: Fish breathe through:

A) Fins
B) Lungs
C) Tail
D) Gills

Q 121: Where is voice box located?

A) Pharynx
B) Trachea
C) Larynx
D) None of these

Q 122: In humans, which body part develops first?

A) Heart
B) Brain
C) Lungs
D) Kidneys

Q 123: How many chambers are in the human heart?

A) 2
B) 4
C) 6
D) 5

Q 124: A baby's heartbeat starts:

A) Before he is born
B) After he is born
C) When he is born
D) None of these

Q 125: The volume of blood pumped out of the heart is known as:

A) Blood volume
B) Stroke volume
C) Pumped volume
D) Pushed volume