Free Human Body and Health MCQs with Answers

281. Seed Coat is also called _________?

• A. Radical
• B. Testa
• C. Tegmen
• D. None of these

Explanation: The testa is the outer protective seed coat. Tegmen is the inner layer of the seed coat, while the radicle develops into the embryonic root.

282. In your body where is the Macula located?

• A. Knee center of leg
• B. Eye center of Retina
• C. Brain center of Cerebrum
• D. None of these

Explanation: The macula is a specialised region near the centre of the retina responsible for sharp central vision, especially reading and seeing fine detail. It is not located in the brain or knee.

283. Which vegetable is also a flower __________?

• A. Lady Finger
• B. Broccoli
• C. Tomato
• D. None of these

Explanation: Broccoli is the immature flower head of the broccoli plant, made up of tightly packed flower buds. Lady finger is a fruit and tomato is botanically a fruit, not a flower.

284. Cotyledons are very Important because they ________?

• A. Store Food
• B. Store Water
• C. Store Air
• D. None of these

Explanation: Cotyledons commonly nourish the developing embryo by storing or absorbing food reserves in the seed. In some plants they later become photosynthetic leaves, but storing food is the standard function tested here.

285. Hepatitis and Polio is caused by________?

• A. Virus
• B. Fungus
• C. Moss
• D. None of these

Explanation: Both hepatitis and polio can be caused by viruses: viral hepatitis affects the liver, while poliovirus can damage the nervous system. Fungi and moss are not the causes of these diseases.

286. First antibiotic was extracted from a _________?

• A. Bacteria
• B. virus
• C. Fungus
• D. None of these

Explanation: Penicillin, commonly regarded as the first widely used antibiotic, was obtained from the fungus Penicillium. This is why the fungal option is correct rather than bacteria or viruses.

287. Microorganisms can only be seen with an equipment called ________?

• A. Microscope
• B. Telescope
• C. Spectroscope
• D. None of these

Explanation: A microscope magnifies objects too small for the unaided eye, including most microorganisms. A telescope is for distant objects, while a spectroscope analyses light spectra.

288. Which one is non flowering plant _______?

• A. Moss
• B. Jasmine
• C. Sun Flower
• D. None of these

Explanation: Moss is a non-flowering plant that reproduces by spores rather than producing flowers and seeds. Jasmine and sunflower are flowering plants.

289. Male birds are ________ colorful than female birds.

• A. Less
• B. More
• C. Equal
• D. None of these

Explanation: In many bird species, males have brighter plumage because females select conspicuous mates during courtship. This is a general trend rather than a rule for every bird species.

290. Atephobia is fear of _________?

• A. Imperfection
• B. Heights
• C. Attitude
• D. None of these

Explanation: The prefix ate- relates to imperfection or incompleteness, so atephobia means an excessive fear of imperfection. Fear of heights is acrophobia, not atephobia.