Free Human Body and Health MCQs with Answers

221. Archeology is the branch of:

• A. Anthropology
• B. Cultural Anthropology
• C. Biological Anthropology
• D. None of these

Explanation: Archaeology is commonly treated as one of the major branches or subfields of anthropology and studies past human societies through material remains. Cultural anthropology studies living cultures, so it is not the parent field of archaeology.

222. Diabetes mellitus affects human system following a disorder in _____________?

• A. Anatomy
• B. Behaviour
• C. Metabolism
• D. Excretion

Explanation: Diabetes mellitus results from inadequate insulin action, causing an abnormal metabolism of glucose and other nutrients. Anatomy concerns body structure, whereas excretion is only one bodily process affected secondarily.

223. Sickle cell anemia is a _________?

• A. Genetic disorder
• B. virus disease
• C. bacterial disease
• D. diseases due to vitamin deficiency

Explanation: Sickle-cell anaemia is caused by an inherited mutation affecting haemoglobin, so it is a genetic disorder. It is not caused by a virus, bacterium, or vitamin deficiency.

224. For about how many hours food remains in small intestine?

• A. 2 to 6 hours
• B. 12 to 25 hours
• C. 7 to 11 hours
• D. 24 to 48 hours

Explanation: Food normally passes through the small intestine in roughly 3 to 6 hours, where most digestion and nutrient absorption occur. The 2-to-6-hour range is the closest listed estimate.

225. Myopia is a human eye disorder That can be corrected by using the lens ?

• A. Convex
• B. Concave
• C. Cylindrical
• D. Medicine

Explanation: Myopia focuses distant images in front of the retina, so a concave lens spreads incoming rays before they enter the eye and shifts the focus backward onto the retina. Convex lenses are used to correct hypermetropia, or farsightedness.

226. Patela is a bone of the ________?

• A. Skull
• B. Leg
• C. Arm
• D. Chest

Explanation: The patella, or kneecap, is located at the knee and protects the knee joint. Since the knee is part of the lower limb, leg is the appropriate option.

227. Which of the following is not a region of the spinal cord ?

• A. Thoracic
• B. Lumber
• C. Pelvic
• D. All are lying in spinal cord region

Explanation: The spinal cord is divided into cervical, thoracic, lumbar, sacral, and coccygeal regions. Pelvic is not a recognized region of the spinal cord, while 'lumber' is evidently a misspelling of lumbar.

228. Female Ova are ___________?

• A. Haploid
• B. Diploid
• C. Triploid
• D. None of these

Explanation: Human ova are produced by meiosis, which reduces their chromosome number to 23, or one haploid set. Fusion with a haploid sperm restores the diploid number in the zygote.

229. In human the Y chromosome is passed to next generation from?

• A. Father to son
• B. Mother to son
• C. Father to daughter
• D. Mother to daughter

Explanation: A son receives his Y chromosome from his father, while a daughter receives the father's X chromosome. The mother contributes an X chromosome to either sex.

230. Anti Diuretic hormone (ADH) also known as Vasopressin, Arginine Vasopressin and agripressin. Is secreted by_________ ?

• A. Pituitary
• B. Pancreas
• C. Thyroid
• D. Parathyroid

Explanation: ADH is made in the hypothalamus and stored and released by the posterior pituitary, so pituitary is the best available option. It reduces water loss by increasing water reabsorption in the kidneys.