In this article you can check the OSPCB Junior Laboratory Assistant previous year Paper. In th e march 2025 the total number of vacancy Junior Laboratory Assistant Group C are 28 post. That’s are the huge numbers also after ill up the online form student or applicant are looking or the syllabus, paper pattern and the old question paper also the study material. I this article we will provide you the previous year question paper with all the option asked at that time and answer also provide you each and every gestion, so it will help you a lot to crack the examination.
OSPCB Junior Laboratory Assistant
- Which of the following is a primary function of red blood cells?
- Transport oxygen
- Produce antibodies
- Aid in digestion
- Regulate body temperature
Answer: Transport oxygen
- Which laboratory instrument is used to measure the volume of liquids accurately?
- Burette
- Beaker
- Test tube
- Petri dish
Answer: Burette
- What is the normal pH range of human blood?
- 6.0 – 6.5
- 7.35 – 7.45
- 8.0 – 8.5
- 9.0 – 9.5
Answer: 7.35 – 7.45
- Which of the following is a gram-positive bacterium?
- Escherichia coli
- Staphylococcus aureus
- Pseudomonas aeruginosa
- Salmonella typhi
Answer: Staphylococcus aureus
- Which blood group is considered the universal donor?
- A
- B
- AB
- O
Answer: O
- Which chemical is commonly used for sterilization in laboratories?
- Sodium chloride
- Ethanol
- Glucose
- Potassium hydroxide
Answer: Ethanol
- Which type of microscope is used to view viruses?
- Compound microscope
- Electron microscope
- Dissecting microscope
- Light microscope
Answer: Electron microscope
- What is the main function of platelets in the blood?
- Oxygen transport
- Blood clotting
- Immunity response
- Hormone production
Answer: Blood clotting
- Which of the following diseases is caused by a virus?
- Tuberculosis
- Malaria
- Influenza
- Typhoid
Answer: Influenza
- Which stain is used for Gram staining in microbiology?
- Safranin
- Methylene blue
- Crystal violet
- Eosin
Answer: Crystal violet
- What is the primary function of the kidney?
- Filtration of blood
- Digestion of food
- Production of insulin
- Transmission of nerve signals
Answer: Filtration of blood
- Which vitamin is known as the “sunshine vitamin”?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
Answer: Vitamin D
- Which blood cell is responsible for immune responses?
- Red blood cells
- White blood cells
- Platelets
- Plasma cells
Answer: White blood cells
Question No 14 to Q no 30
OSPCB Junior Laboratory Assistant: These question are basically bases on the main examination. These are as follows…
- Which sugar is found in DNA?
- Glucose
- Ribose
- Deoxyribose
- Fructose
Answer: Deoxyribose
- Which organ in the human body is responsible for detoxification?
- Heart
- Liver
- Lungs
- Stomach
Answer: Liver
- What is the main component of hemoglobin?
- Calcium
- Iron
- Sodium
- Potassium
Answer: Iron
- Which pathogen is responsible for causing tuberculosis?
- Escherichia coli
- Mycobacterium tuberculosis
- Staphylococcus aureus
- Plasmodium falciparum
Answer: Mycobacterium tuberculosis
- Which of the following is an example of a fungal infection?
- Malaria
- Ringworm
- Tuberculosis
- Typhoid
Answer: Ringworm
- Which hormone regulates blood sugar levels?
- Adrenaline
- Insulin
- Testosterone
- Estrogen
Answer: Insulin
- Which gas is essential for cellular respiration?
- Nitrogen
- Oxygen
- Carbon dioxide
- Hydrogen
Answer: Oxygen
- Which enzyme breaks down starch into simple sugars?
- Pepsin
- Amylase
- Lipase
- Trypsin
Answer: Amylase
- Which part of the eye is responsible for focusing light?
- Retina
- Cornea
- Lens
- Iris
Answer: Lens
- Which vitamin helps in blood clotting?
- Vitamin A
- Vitamin K
- Vitamin C
- Vitamin E
Answer: Vitamin K
- Which organ stores and concentrates bile?
- Liver
- Pancreas
- Gallbladder
- Small intestine
Answer: Gallbladder
- Which element is essential for thyroid function?
- Iron
- Calcium
- Iodine
- Zinc
Answer: Iodine
- Which blood component is responsible for carrying oxygen?
- White blood cells
- Platelets
- Plasma
- Hemoglobin
Answer: Hemoglobin
- Which hormone regulates water balance in the body?
- Insulin
- ADH (Antidiuretic hormone)
- Cortisol
- Oxytocin
Answer: ADH (Antidiuretic hormone)
- Which bacteria cause peptic ulcers?
- Escherichia coli
- Helicobacter pylori
- Salmonella
- Clostridium botulinum
Answer: Helicobacter pylori
- Which type of immunity is obtained from vaccines?
- Innate immunity
- Passive immunity
- Active immunity
- Natural immunity
Answer: Active immunity
- Which part of the ear is responsible for balance?
- Cochlea
- Eustachian tube
- Semicircular canals
- Tympanic membrane
Answer: Semicircular canals
- Which substance is responsible for carrying genetic information?
- RNA
- DNA
- Protein
- Lipid
Answer: DNA
- Which gas is responsible for the greenhouse effect?
- Oxygen
- Nitrogen
- Carbon dioxide
- Hydrogen
Answer: Carbon dioxide
- Which type of muscle is found in the heart?
- Skeletal muscle
- Smooth muscle
- Cardiac muscle
- Voluntary muscle
Answer: Cardiac muscle
- Which organ produces bile?
- Stomach
- Liver
- Pancreas
- Gallbladder
Answer: Liver
- Which organ is responsible for oxygen exchange in the body?
- Liver
- Lungs
- Heart
- Kidneys
Answer: Lungs
- Which mineral is necessary for oxygen transport in blood?
- Magnesium
- Calcium
- Iron
- Potassium
Answer: Iron
- Which disease is caused by Plasmodium parasites?
- Typhoid
- Malaria
- Cholera
- Tuberculosis
Answer: Malaria
- Which vitamin is essential for vision?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
Answer: Vitamin A
- Which part of the ear is responsible for balance?
- Cochlea
- Eustachian tube
- Semicircular canals
- Tympanic membrane
Answer: Semicircular canals
- Which substance is responsible for carrying genetic information?
- RNA
- DNA
- Protein
- Lipid
Answer: DNA
- Which gas is responsible for the greenhouse effect?
- Oxygen
- Nitrogen
- Carbon dioxide
- Hydrogen
Answer: Carbon dioxide
- Which type of muscle is found in the heart?
- Skeletal muscle
- Smooth muscle
- Cardiac muscle
- Voluntary muscle
Answer: Cardiac muscle
- Which organ produces bile?
- Stomach
- Liver
- Pancreas
- Gallbladder
Answer: Liver
- Which organ is responsible for oxygen exchange in the body?
- Liver
- Lungs
- Heart
- Kidneys
Answer: Lungs
- Which mineral is necessary for oxygen transport in blood?
- Magnesium
- Calcium
- Iron
- Potassium
Answer: Iron
- Which disease is caused by Plasmodium parasites?
- Typhoid
- Malaria
- Cholera
- Tuberculosis
Answer: Malaria
- Which vitamin is essential for vision?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
Answer: Vitamin A