The sum of three consecutive integers is 33. Find the smallest integer:

A. 10
B. 1
C. 12
D. 13
Correct answer is: A. 10
Let the integers be x, x+1, x+2. Then x + (x+1) + (x+2) = 33, so 3x + 3 = 33, x = 10.

Find the curved surface area of a hemisphere of radius 7 cm:

A. 154 cm²
B. 308 cm²
C. 616 cm²
D. 77 cm²
Correct answer is: B. 308 cm²
Curved surface area of a hemisphere = 2πr² = 2 * (22/7) * 7² = 308 cm².

What is the default file-extension of Notepad on Windows?

A. .docx
B. .html
C. .txt
D. .xlsx
Correct answer is: C. .txt
Notepad on Windows saves files with the default .txt extension for plain text.

Which is the largest gland in the human body?

A. Pancreas
B. Liver
C. Thyroid
D. Pituitary
Correct answer is: B. Liver
The liver is the largest gland in the human body, performing numerous metabolic functions.

Intestines that are long, coiled, and have many folds are characteristic of:

A. Carnivores
B. Herbivores
C. Omnivores
D. None of these
Correct answer is: B. Herbivores
Herbivores have long, coiled intestines to digest plant-based diets efficiently.

Pasteurization is the process of heating:

A. Water
B. Milk
C. Juice
D. Oil
Correct answer is: B. Milk
Pasteurization involves heating milk to kill harmful bacteria while preserving quality.

During hibernation, the frog respires through its:

A. Skin only
B. Lungs only
C. Both skin and lungs
D. Partly lungs, partly skin
Correct answer is: A. Skin only
Frogs in hibernation rely on cutaneous respiration through their skin.

Acid rain causes damage to:

A. Flora and fauna
B. Growth of trees
C. Sculptures and marble constructions
D. All of these
Correct answer is: D. All of these
Acid rain harms flora, fauna, tree growth, and erodes sculptures and marble structures.

Which geographic region has the greatest biodiversity?

A. Desert
B. Tundra
C. Tropical Rainforest
D. Grassland
Correct answer is: C. Tropical Rainforest
Tropical rainforests, such as the Amazon, have the highest biodiversity due to their rich ecosystems.

Warsak Dam is built on which river?

A. Indus River
B. Jhelum River
C. Kabul River
D. Swat River
Correct answer is: C. Kabul River
Warsak Dam is located on the Kabul River in Khyber Pakhtunkhwa, Pakistan.
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