PPSC Biology Subject Specialist & Senior Subject Specialist Past Papers Solved Mcqs


Q-No.1.What is the main purpose of white blood corpuscles?

To carry nutrients
To combat infection
To carry oxygen
To give strength
Answer is = B
Q-No.2.Total volume of blood in a normal human being is

5 6 liters
3 4 liters
8 10 liters
10 12 liters
Answer is = A
Q-No.3 Red blood corpuscles are formed in the

Liver
Bone marrow
Kidneys
Heart
Answer is = B
Q-No4.Blood does not coagulate inside the body to the presence of

Fi brin
Heparin
Haemoglobin
Plasma
Answer is = B



Q-No.5.Lungs are situated in the

Abdominal cavity
Buccal cavity
Pericardinal cavity
Thoracic cavity
Answer is = D
Q-No.6.How many numbers of bones in the human body of an adult ?

210
206
250
450
Answer is = B


Q-No.7.The pancreas secretes

Insulin
Vatiman A
Bile juice
None
Answer is = A
Q-No.8.The seat of memory in the human brain is located in the

Medulla oblongata
Cerebrum
Cortex
Cerebellum
Q-No.9.Tibia is a bone found in the

Arm
Skull
Leg
Face
Answer is = C


Q-No.10.The main function of the kidney is

To control blood pressure
To control body temperature
To remove waste products from the body
To help in digestion of food
Answer is = C




Q-No.11.The strongest muscle in the human body is found in

hands
neck
buttocks
legs
Answer is = C
Q-No.12.What is gene?

Sleep inducing drug
Unit of heredity
A type of body cell
A kind of vitamin
Answer is = B


Q-No.13.The function of hemoglobin is

To transport oxygen
Destruction of bacteria
Prevention of anaemia
Utilization of energy
Answer is = A
Q-No.14.A vegetable containing sculpture is

Potato
Cabbage
Brinjal
Pumpkin
Answer is = B


Q-No.15.Enzymes help in

Respiration
Digestion of food
Immune system
Reproduction
Answer is = B
Q-No.16.Ptyalin is an enzyme produced in the

Salivary glands
Pituitary gland
Thyroid glands
Pancreas
Answer is = A
Q-No.17.Heightened emotion is caused by

Pituitary gland
Thyroid glands
Adrenal glands
Salivary glands
Answer is = C
Q-No.18.The shortest bone in the human body is

Vertebrae
Stapes
Phalages
Metacarpals
Answer is = B
Q-No.19.A balanced diet contains

Animals protein
Macro and micro nutrients
Food nutrients for growth and maintenance
Butter and ghee
Answer is = C
Q-No.20.Wisdom teeth normally grow between the age of

34-40
17-30
45-55
10-17
Answer is = A
Q-No.21. “Dossier” means

the do of medicine
the actual things
relevant paper
unarranged papers
Answer is = C
Q-No.22.Lack of cause’s diabetes

Sugar
Insulin
Calcium
Vitamins
Answer is = B
Q-No.23.Biopsy is done on Triple antigen vaccine is given children to protect them against

polio
whooping cough
tuberculosis
contagious diseases
Answer is = B
Q-No.24.A man weighing 96 Kg consists of approximately____-liters of water

50 litters
5 litters
82 litters
42 litters
Answer is = B
Q-No.25.What does blood consists of?

60% plasma, 40 % crop
65% plasma, 40 % crop
62% plasma, 40 % crop
68% plasma, 45 % crop
Answer is = A
Q-No.26. Absorbance at 280nm exhibited by protein is due to

Aliphatic amino acids
all amino acids
Non-polar amino acids
Aromatic amino acids( Is Right Answer)
Q-No.27.Amino acids with hydroxyl groups are



serine and alanine
Alanine and valine
serine and threonine ( Is Right Answer)
Valine and isoleucine
Q-No.28. Aromatic amino acids include

Phenylalanine, tyrosine and tryptophan ( Is Right Answer)
Phenylalanine, serine and tryptophan
Threonine, tyrosine and tryptophan
Asparagine, tyrosine and tryptophan


Q-No.29. Positively charged basic amino acids are

Lysine and arginine ( Is Right Answer)
Lysine and asparagine
Glutamine and arginine
Lysine and glutamine
Q-No.30. The simplest amino acid is

Proline
methionine
glycine ( Is Right Answer)
serine

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