NEET Biology Human Health and Disease MCQs Set 14

Download NEET MCQs for NEET Biology: Human Health and Disease

Review structured MCQ sets for NEET Biology Human Health and Disease. Built according to official NEET guidelines, these downloadable questions support daily revision and core concept reinforcement.

Chapter-wise Objective Questions: Human Health and Disease

Navigate directly to the 50 objective questions for Human Health and Disease using the digital viewer below. Each practice set includes verified answer keys, allowing students to instantly cross-check their work and identify areas requiring further revision.

Multiple Choice Questions

Question 1: Bovine spongiform encephalopathy is a bovine disease. To which of the following human diseases it is related ?
(a) Kala-azar
(b) Encephalitis
(c) Cerebral spondylitis
(d) Creutzfeldt Jacob disease
Show Answer & Explanation

Answer: (d) Creutzfeldt Jacob disease

Explanation:
1. Bovine spongiform encephalopathy (mad cow disease) is related to Creutzfeldt-Jakob disease in humans. Both are caused by prions.

Teacher's Note:
1. Prions are infectious proteins.
2. Prions cause spongiform diseases.

Question 2: Which one of the following is correct match?
(a) Reserpine — Tranquiliser
(b) Cocaine — Opiatic narcotic
(c) Morphine — Hallucinogenic
(d) Bhang — Analgesic
Show Answer & Explanation

Answer: (a) Reserpine — Tranquiliser

Explanation:
1. Reserpine is a tranquilliser obtained from Rauwolfia. Cocaine is a stimulant, morphine is an opiate and bhang is a hallucinogen.

Teacher's Note:
1. It is used to treat high blood pressure.
2. Reserpine means tranquilliser.

Question 3: Salmonella is related with
(a) typhoid
(b) polio
(c) TB
(d) tetanus
Show Answer & Explanation

Answer: (a) typhoid

Explanation:
1. Salmonella typhi is the pathogen of typhoid.

Teacher's Note:
1. Polio is by a virus, TB by Mycobacterium and tetanus by Clostridium.
2. Typhoid goes with Salmonella.

Question 4: Monoclonal antibodies
(a) are obtained from a cell and act on one antigen
(b) are obtained from a group of cells and act on more than one antigens
(c) are obtained from a group of same type of cells and act on single antigen
(d) are obtained from a group of same type of cells and act on more than one antigens
Show Answer & Explanation

Answer: (c) are obtained from a group of same type of cells and act on single antigen

Explanation:
1. Monoclonal antibodies are produced by a clone of identical cells and act on a single antigen.

Teacher's Note:
1. They are made by hybridoma technology.
2. Mono means single.

Question 5: Cancerous cells can easily be destroyed by radiation due to
(a) rapid cell division
(b) lack of nutrition
(c) fast mutation
(d) lack of oxygen
Show Answer & Explanation

Answer: (a) rapid cell division

Explanation:
1. Cancer cells divide rapidly, so they are more sensitive to radiation, which damages the DNA of dividing cells.

Teacher's Note:
1. Normal cells divide slowly.
2. Rapid division means radiation sensitivity.

Question 6: The term “antibiotic” was coined by
(a) Selman Waksman
(b) A l e x a n d e r Fleming
(c) Edward Jenner
(d) Louis Pasteur
Show Answer & Explanation

Answer: (a) Selman Waksman

Explanation:
1. Selman Waksman coined the term antibiotic. He discovered streptomycin.

Teacher's Note:
1. Fleming discovered penicillin.
2. Waksman named antibiotics.

Question 7: Carcinoma refers to
(a) malignant tumours of the colon
(b) benign tumours of the connective tissue
(c) malignant tumours of the connective tissue
(d) malignant tumours of the skin or mucous membrane
Show Answer & Explanation

Answer: (d) malignant tumours of the skin or mucous membrane

Explanation:
1. Carcinoma is a malignant tumour of the epithelial tissue, like the skin or mucous membrane.

Teacher's Note:
1. Sarcoma is a malignant tumour of connective tissue.
2. Carcinoma comes from epithelium.

Question 8: Maximum application of animal cell culture technology today is in the production of
(a) vaccines
(b) edible proteins
(c) insulin
(d) interferons
Show Answer & Explanation

Answer: (a) vaccines

Explanation:
1. The maximum use of animal cell culture technology is in the production of vaccines (such as polio and rabies vaccines).

Teacher's Note:
1. Interferons are also made but less.
2. Vaccines lead the list.

Question 9: Christmas disease is another name for
(a) Down’s syndrome
(b) sleeping sickness
(c) haemophilia-B
(d) hepatitis-B
Show Answer & Explanation

Answer: (c) haemophilia-B

Explanation:
1. Christmas disease is another name for haemophilia B, caused by the lack of clotting factor IX.

Teacher's Note:
1. Haemophilia A is the lack of factor VIII.
2. Named after the first patient.

Question 10: Which one of the following conditions though harmful in itself, is also a potential saviour from a mosquito borne infectious disease ?
(a) Pernicious anaemia
(b) Leukemia
(c) Thalassaemia
(d) Sickle cell anaemia
Show Answer & Explanation

Answer: (d) Sickle cell anaemia

Explanation:
1. Sickle cell anaemia, though harmful, gives protection against malaria, since sickled cells are not suited to the parasite.

Teacher's Note:
1. Heterozygotes are resistant.
2. Sickle trait protects against malaria.

Question 11: Which one of the following pairs is not correctly matched ?
(a) Streptomyces — Antibiotic
(b) Serratia — Drug addiction
(c) Spirulina — Single cell protein
(d) Rhizobium — Biofertilizer
Show Answer & Explanation

Answer: (b) Serratia — Drug addiction

Explanation:
1. Serratia is a bacterium and is not related to drug addiction. The other pairs are correct.

Teacher's Note:
1. Streptomyces gives antibiotics.
2. Check each organism and its use.

Question 12: Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness ?
(a) Valium
(b) Morphine
(c) Hashish
(d) Amphetamines
Show Answer & Explanation

Answer: (a) Valium

Explanation:
1. Valium is a tranquilliser that depresses brain activity and causes calmness, relaxation and drowsiness.

Teacher's Note:
1. Morphine is a pain killer and amphetamines are stimulants.
2. Valium calms.

Question 13: Probiotics are
(a) safe antibiotics
(b) cancer inducing microbes
(c) new kind of food allergens
(d) live microbial food supplement
Show Answer & Explanation

Answer: (d) live microbial food supplement

Explanation:
1. Probiotics are live microbial food supplements that benefit the gut, such as lactobacilli in curd.

Teacher's Note:
1. They are not antibiotics.
2. Pro means for life.

Question 14: A person likely to develop tetanus is immunised by administering
(a) Wide spectrum antibiotics
(b) Weakened germs
(c) Dead germs
(d) Preformed antibodies
Show Answer & Explanation

Answer: (d) Preformed antibodies

Explanation:
1. A person likely to develop tetanus is given preformed antibodies (antitetanus serum) for immediate passive protection.

Teacher's Note:
1. Vaccines give active immunity but act slowly.
2. Preformed antibodies act at once.

Question 15: Which one of the following statements is correct ?
(a) Heroin accelerates body functions.
(b) Malignant tumours may exhibit metastasis.
(c) Patients who have undergone surgery are given cannabinoids to relieve pain.
(d) Benign tumours show the property of metastasis.
Show Answer & Explanation

Answer: (b) Malignant tumours may exhibit metastasis.

Explanation:
1. Malignant tumours may spread to other organs by metastasis. Benign tumours do not.

Teacher's Note:
1. Heroin is a depressant of the body functions.
2. Metastasis is a feature of cancer.

Practice MCQs for NEET Biology Human Health and Disease

NEET Biology Human Health and Disease Objective Test Questions

Review structured objective questions for NEET Biology Human Health and Disease. Built according to official NEET guidelines, these MCQ sets support daily revision and core concept reinforcement.

NCERT-Aligned Objective Questions and Solutions

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FAQs

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