A. Etymology
B. Neologism
C. Borrowing
D. None of these
Explanation
Neologism refers to the creation of new words or giving new meanings to existing words. Examples include " selfie " and " blog " , which were newly formed words in modern usage. Show/Hide Explanation
A. My favorite colors are red: blue and green.
B. My favorite, colors are red, blue and green.
C. My favorite colors are red, blue and green.
D. None of these
Explanation
A comma is needed to separate items in a list for clarity. The correct punctuation follows standard grammar rules. Show/Hide Explanation
A. From
B. None of these
C. With
D. Of
Explanation
The phrase " devoid of " means " lacking " or " without " something. Example : His speech was devoid of any emotion. Show/Hide Explanation
مندرجہ ذیل میں سے کون سا جیواشم ایندھن ہے؟
A. Lava
B. Coal
C. Quartz
D. None of these
Explanation
Coal is a fossil fuel formed from the decomposition of ancient plants under heat and pressure . It is a major source of energy . It is used for electricity generation and industrial processes. Show/Hide Explanation
A. Smoke
B. Flame
C. None of these
D. Debris
Explanation
Fire leaves behind ashes . Just like an explosion leaves behind debris . This analogy follows a cause-and-effect relationship , where the first event produces the second as a result. Show/Hide Explanation
دن کے وقت کون سا رجحان اس بات کی وضاحت کرتا ہے کہ آسمان کیوں انسانی آنکھ سے نیلے رنگ کے دکھائی دیتا ہے؟
A. Polarization of light by the ozone layer
B. Reflection of sunlight by clouds
C. None of these
D. Rayleigh scattering of shorter wavelengths of light by atmospheric particles
Explanation
Rayleigh Scattering : Shorter wavelengths (blue and violet) scatter more than longer wavelengths (red and yellow) due to interactions with atmospheric particles. Why the Sky Appears Blue : Although violet scatters more, human eyes are more sensitive to blue light, making the sky appear blue. Show/Hide Explanation
A. 3
B. 5
C. None of these
D. 1
Explanation
The magnetic moment (μ) is related to the number of unpaired electrons (n) by the formula:
μ = √(n(n+2)) BM
Given μ = 5.92 BM, we can solve for n:
5.92 = √(n(n+2))
n(n+2) ≈ 35.25
n ≈ 5
Show/Hide Explanation
ایک اچھی طرح سے رکنے والا تھرموس فلاسک میں کچھ آئس کیوب ہوتے ہیں۔ یہ ______ کی مثال ہے؟
A. Isolated system
B. None of these
C. Open system
D. Closed system
Explanation
An isolated system does not exchange heat or matter with its surroundings. A well-stopped thermos flask prevents heat transfer, keeping the ice cubes from melting quickly. Show/Hide Explanation
کیلشیم اور فاسفیٹ پر مشتمل پانی کو _____ کہا جاتا ہے؟
A. None of these
B. Temporary hard water
C. Permanent hard water
D. Permanent soft water
Explanation
Temporary hard water contains dissolved calcium and magnesium bicarbonates, which can be removed by boiling. It differs from permanent hard water , which contains sulfates or chlorides that do not precipitate upon heating. Show/Hide Explanation
ایکیوپنکچر کیا _____ کے ذریعہ تکنیک کی مشق کی جاتی ہے؟
A. Indian yogis
B. None of these
C. Chinese medicine men
D. Indonesian witch doctors
Explanation
Acupuncture is a traditional Chinese practice that involves inserting thin needles into specific points on the body. It is used to treat various health conditions by balancing the body's energy flow (Qi). Show/Hide Explanation
