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Everyday Science MCQs Questions with Answers for CSS MPT Test by FPSC including solved CSS General Science and Ability Past Papers MCQs. General Everyday

A submarine works according to which scientific law?

A. Newton’s First Law
B. Archimedes’ Principle
C. Pascal’s Law
D. Boyle’s Law
Correct answer is: B. Archimedes’ Principle
Submarines float and submerge based on the principle of buoyancy described by Archimedes.

Ice floats on water because:

A. Ice is denser than water
B. Water is denser than ice
C. It is more viscous than water
D. Ice has more surface tension than water
Correct answer is: B. Water is denser than ice
Ice floats because ice is less dense than liquid water — water is denser than ice.

Taste buds are for:

A. Digestion
B. Selection/ Taste perception
C. Respiration
D. Safety
Correct answer is: B. Selection/ Taste perception
Taste buds detect flavors (sweet, salty, sour, bitter, umami) — they help in selecting food (and detecting spoilage/toxins).

Soil erosion is caused by:

A. Deforestation
B. Residual
C. Mining
D. Leaching
Correct answer is: A. Deforestation
Removal of vegetation cover (deforestation) increases runoff and accelerates soil erosion.

How many vertebrae are there in the adult human body (counting fused bones as in adult anatomy)?

A. 33
B. 24
C. 22
D. 20
Correct answer is: A. 33
There are 33 vertebrae in the adult human body, though these are grouped into 5 regions and include 5 fused sacral and 4 fused coccygeal vertebrae. The total counts include 7 cervical (neck), 12 thoracic (chest), 5 lumbar (lower back), 5 sacral (fused), and 4 coccygeal (fused).
Breakdown of Vertebrae
Cervical Vertebrae: 7
Thoracic Vertebrae: 12
Lumbar Vertebrae: 5
Sacral Vertebrae: 5 (fused)
Coccygeal Vertebrae: 4 (fused, forming the coccyx or tailbone)
Total: 7 + 12 + 5 + 5 + 4 = 33

Mushrooms belong to which kingdom?

A. Fungi
B. Plantae
C. Animalia
D. Protista
Correct answer is: A. Fungi
Kingdom of MushroomsMushrooms are fungi, not plants. They obtain nutrients through decomposition.

Who formulated the law of gravity?

A. Albert Einstein
B. Galileo Galilei
C. Isaac Newton
D. Nikola Tesla
Correct answer is: C. Isaac Newton
Law of GravitySir Isaac Newton formulated the law of universal gravitation in the 17th century.

What is the main locomotory structure of bacteria?

A.
B. Flagellum
C. Pseudopodia
D.
Correct answer is: B. Flagellum
Bacterial MovementFlagella are tail-like structures that help bacteria move. Not all bacteria have them, but many use them to swim.

Goitre is caused by the deficiency of which nutrient?

A. Vitamin D
B. Iodine
C. Iron
D. Calcium
Correct answer is: B. Iodine
Cause of GoitreGoitre, or swelling of the thyroid gland, is caused by iodine deficiency. Iodine is essential for thyroid hormone production.

What does the medical term Lordosis mean?

A. Curved neck
B. Swollen joints
C. Hollow back
D. Bent knee
Correct answer is: C. Hollow back
Lordosis Medical TermLordosis refers to inward curvature of the lower spine, commonly called hollow back.

Eugenics is the study of ______?

A. Water diseases
B. Study of flowers
C. Altering human beings by changing their genetic components
D. Water sports
Correct answer is: C. Altering human beings by changing their genetic components
NA

What is the main purpose of nuclear energy?

A. To kill the enemy nation
B. To waste the excessive energy
C. To use it as an alternative source of energy
D. To cause mutation for people who are working
Correct answer is: C. To use it as an alternative source of energy
NA
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