- Which vitamin is synthesized in the body from β-carotene?
a) Vitamin A
b) Vitamin C
c) Vitamin D
d) Vitamin K
Answer: a) Vitamin A - Which among the following can both cause and cure cancer depending on its intensity and usage?
a) Tobacco
b) Ultraviolet rays
c) Ionizing radiation
d) Alcohol
Answer: c) Ionizing radiation - Typhoid and cholera are primarily examples of which type of diseases?
a) Infectious diseases
b) Airborne diseases
c) Waterborne diseases
d) None of these
Answer: c) Waterborne diseases - Oncogenes are associated with which of the following conditions?
a) Tuberculosis
b) Hepatitis
c) Cancer
d) Typhoid
Answer: c) Cancer - Calcium plays an essential role in which of the following physiological processes?
a) Muscle contraction
b) Blood clotting
c) Bone development
d) All of the above
Answer: d) All of the above - What is the common name for blood cancer?
a) Leucoderma
b) Leukaemia
c) Haemophilia
d) Anaemia
Answer: b) Leukaemia - The AIDS virus primarily attacks which type of blood cells?
a) Monocytes
b) Neutrophils
c) Basophils
d) Lymphocytes
Answer: d) Lymphocytes - Which substance poses the greatest health risk to India’s growing population?
a) Opium
b) Datura
c) Cannabis
d) Tobacco
Answer: d) Tobacco - Which of the following is a rich natural source of Vitamin A?
a) Carrot
b) Brinjal
c) Lemon
d) Rice
Answer: a) Carrot - Which of the following food items is rich in iron?
a) Apple
b) Rice
c) Orange
d) Wheat
Answer: a) Apple - Match the following vitamin deficiencies with their associated diseases:
Vitamin C → Scurvy
Vitamin D → Rickets
Vitamin E → Night blindness
Which pairs are correctly matched?
a) 1 and 2 only
b) 3 only
c) 1, 2 and 3
d) None
Answer: a) 1 and 2 only - Consider the following statements about the Neem tree:
- Neem oil acts as a pesticide.
- Neem seeds are used in making biofuels and hospital detergents.
- Neem oil is used in pharmaceuticals.
Which of the statements is/are correct?
a) 1 and 2 only
b) 3 only
c) 1 and 3 only
d) 1, 2 and 3
Answer: d) 1, 2 and 3
- Contamination of drinking water sources by waste material may lead to which disease?
a) Scurvy
b) Typhoid
c) Malaria
d) Anaemia
Answer: b) Typhoid - Which of the following sources has significantly contributed to discovering anti-tumor agents like bryostatins and dolostatins?
a) Marine organisms
b) Animals
c) Venoms and toxins
d) Combinatorial chemistry
Answer: a) Marine organisms - Interferons are synthesized in response to which type of pathogen?
a) Mycoplasma
b) Fungi
c) Viruses
d) Bacteria
Answer: c) Viruses - Who is credited with developing the immunization technique?
a) Louis Pasteur
b) Robert Koch
c) Joseph Lister
d) Edward Jenner
Answer: d) Edward Jenner - The term ‘vaccination’ originates from the Latin word associated with which animal?
a) Pig
b) Horse
c) Cow
d) Dog
Answer: c) Cow - Which therapy is commonly used to treat cancer?
a) Electrotherapy
b) Psychotherapy
c) Chemotherapy
d) Physiotherapy
Answer: c) Chemotherapy - Which blood group is known as the universal recipient?
a) A
b) B
c) AB
d) O
Answer: c) AB - Which disease in humans is transmitted through air?
a) Dengue
b) Tuberculosis
c) HIV-AIDS
d) Goitre
Answer: b) Tuberculosis - AIDS virus contains which type of genetic material?
a) Single-stranded RNA
b) Double-stranded RNA
c) Single-stranded DNA
d) Double-stranded DNA
Answer: a) Single-stranded RNA - Short-sightedness is also known as:
a) Coma
b) Hypermetropia
c) Myopia
d) Astigmatism
Answer: c) Myopia - Scurvy is a deficiency disease caused due to lack of:
a) Asthma
b) Jaundice
c) Vitamin C
d) Cancer
Answer: c) Vitamin C - Glaucoma affects which organ of the human body?
a) Skin
b) Lungs
c) Liver
d) Eyes
Answer: d) Eyes - Fluorine deficiency in the body leads to disorders of the:
a) Skin
b) Liver
c) Teeth
d) Bones
Answer: c) Teeth - Viruses that contain RNA but no DNA use which of the following for heredity transmission?
a) Cannot replicate
b) Lack genetic information
c) RNA transmits hereditary information
d) DNA can be crystallized
Answer: c) RNA transmits hereditary information - Sleeping sickness is caused by which protozoan parasite?
a) Escherichia
b) Neisseria
c) Entamoeba
d) Trypanosoma
Answer: d) Trypanosoma - Viruses are classified as:
a) Cellular
b) Acellular
c) Unicellular
d) Multicellular
Answer: b) Acellular - Haptens are defined as:
a) Antibodies
b) Co-antigens
c) Pseudo-antigens
d) Incomplete antigens
Answer: d) Incomplete antigens - Antibodies are primarily synthesized by which of the following?
a) Megakaryocytes
b) Monocytes
c) Lymphocytes
d) Histiocytes
Answer: c) Lymphocytes