Free Human Body and Health MCQs with Answers

291. In which of the following processes is energy released ?

• A. Respiration
• B. Photosynthesis
• C. Ingestion
• D. Absorption

Explanation: Respiration releases energy by breaking down glucose, usually with oxygen, to form ATP for cellular work. Photosynthesis stores energy in glucose, while ingestion and absorption are mainly intake processes.

292. What is cVDPV2?

• A. Corona Virus New variant
• B. Type-II Cancer
• C. Poliovirus Type-II
• D. Wild Poliovirus

Explanation: cVDPV2 means circulating vaccine-derived poliovirus type 2. It is not the same as wild poliovirus, although both can cause poliomyelitis.

293. Leach has ________ number of brains.

• A. Zero
• B. 32
• C. 36
• D. None of these

Explanation: A leech has 32 segmental ganglia, commonly described in elementary texts as 32 “brains,” one associated with each body segment. These are nerve centres rather than 32 separate brains like the human brain.

294. Which body part gets older first?

• A. Face
• B. Feet
• C. Hands
• D. None of these

Explanation: Hands often show visible ageing early because they receive frequent sun exposure, washing, and chemical irritation while having relatively little protective fat. This is a common appearance-related observation rather than a strict biological rule for every person.

295. Arthritis is a disease of ?

• A. Lungs
• B. Blood
• C. Disorder of the Joints
• D. Liver

Explanation: Arthritis is inflammation or degeneration affecting joints, often causing pain, stiffness and restricted movement. It is not primarily a disease of the lungs, blood or liver.

296. How many number of milk teeth are in the human body?

• A. 16
• B. 12
• C. 22
• D. 20

Explanation: Children normally have 20 primary, or milk, teeth: 10 in the upper jaw and 10 in the lower jaw. These are later replaced by permanent teeth.

297. Plasmids are most often found in:

• A. Bacteria
• B. Virus
• C. Fungi
• D. Viroid

Explanation: Plasmids are small circular DNA molecules commonly found in bacteria, where they can carry useful genes such as antibiotic-resistance genes. They are not normal features of viruses or viroids.

298. Mycology is a study of_______?

• A. Virus
• B. Bacteria
• C. Anti virus
• D. Fungi

Explanation: Mycology is the branch of biology concerned with fungi, including mushrooms, molds and yeasts. The study of bacteria is bacteriology.

299. Father of Homeopathy is__________?

• A. Samuel Hahnemann
• B. Robert Dover
• C. Hakeem Suleman
• D. Dr Anwaar Khan

Explanation: Samuel Hahnemann, a German physician, formulated homeopathy in the late eighteenth century and is therefore regarded as its founder or father.

300. There are ______types of respiration takes place in frog.

• A. 1
• B. 2
• C. 3
• D. None of these

Explanation: A frog uses three respiratory methods: cutaneous respiration through the skin, buccopharyngeal respiration through the mouth lining, and pulmonary respiration through the lungs.