All Free Everyday Science MCQs with Answers

901. Pollination of flowers by birds is called:_________?

• A. Aeverology
• B. Ornithology
• C. Ornithophily
• D. Polligramy

Explanation: Ornithophily is pollination carried out by birds, from ornithos meaning bird and phily meaning attraction or affinity. Ornithology is the scientific study of birds, not pollination by them.

902. What does HMPV stand for?

• A. Human Metapneumo virus
• B. Human Mycoplasma Virus
• C. Human Multipathogen Virus
• D. Human Molecular Virus

Explanation: HMPV expands to human metapneumovirus, a respiratory virus that can cause cold-like illness and more serious infections. Option a uses the same name with minor spacing and wording variation.

903. Primatology is the study of: _________?

• A. Human Behavior
• B. Primates
• C. Animals and Plants
• D. Forests

Explanation: Primatology is the branch of zoology concerned with primates, including lemurs, monkeys, apes and humans. It covers their evolution, behaviour, biology and conservation.

904. Paleontology is the study of: _____________?

• A. Organic particles in the air
• B. Ancient Life and Fossils
• C. How bodily structures are put together in an organism
• D. How living things interact with each other and their environment

Explanation: Paleontology studies ancient life mainly through fossils and other preserved remains or traces. Ecology, by contrast, studies how living things interact with one another and their environment.

905. The Latin word of the name given to a human being Homo Sapiens, include the: __________?

• A. Genus & Family
• B. Family & Order
• C. Genus & Class
• D. Genus & Species

Explanation: In Homo sapiens, Homo is the genus and sapiens is the species. A scientific name normally combines these two ranks, whereas family, order and class are higher taxonomic levels.

906. The Protein coat of virus is known as:

• A. Plasmid
• B. Capsule
• C. Plastid
• D. Capsid

Explanation: A virus’s protein covering is called a capsid, which protects its genetic material and helps determine its shape. A plasmid is a small DNA molecule, not a viral protein coat.

907. Which one of the following is Voluntary Muscle?

• A. Biceps
• B. Cardiac
• C. Stomach
• D. Vessels

Explanation: The biceps is a skeletal muscle that can be consciously contracted, making it voluntary. Cardiac muscle and the smooth muscle of the stomach and blood vessels work involuntarily.

908. Hepatitis is caused by: ____________?

• A. Protozoans
• B. Algae
• C. Fungi
• D. Virus

Explanation: Most forms of infectious hepatitis are caused by hepatitis viruses, such as hepatitis A, B, C, D and E viruses. The disease can also have non-infectious causes, but virus is the intended answer here.

909. Dermatophagia is a ____ condition.

• A. Physiological
• B. Psychological
• C. Dermatological
• D. Genital

Explanation: Dermatophagia is compulsive biting or chewing of the skin, commonly classified as a body-focused repetitive behaviour with a psychological basis. Its name refers to the skin but does not make it primarily a dermatological disease.

910. The largest artery in human body_______?

• A. Subclavian artery
• B. Aorta
• C. Brachial artery
• D. None of these

Explanation: The aorta is the body’s largest artery, carrying oxygenated blood from the left ventricle to the systemic circulation. The subclavian and brachial arteries are smaller branches of this circulation.