ETEA PST PAST PAPER 24-04-2022
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
آئسوبارس ایک ہی ______ ہے؟
- Atomic number
- Mass number
- Neutrons
- None of the above
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Isobars are atoms of different elements that have the same mass number but different atomic numbers.
Example: Argon-40 and Calcium-40 both have mass number 40 but different atomic numbers.
مندرجہ ذیل میں سے کون سا کیمیائی تبدیلی نہیں ہے؟
- Milk into curd
- Dissolving sugar in water
- Photosynthesis
- Burning
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Dissolving sugar in water is a physical change—no new substance is formed.
The sugar can be recovered by evaporation, showing it’s not a chemical reaction.
ہوا میں آکسیجن کا فیصد _____ ہے؟
- 20.94%
- 21.94%
- 22.94%
- 25.7%
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The percentage of oxygen in the air is about 20.95%.
The air is made up of many gases, including oxygen, nitrogen, argon, and carbon dioxide
***
Nitrogen
Nitrogen is the most abundant gas in the air, making up about 78% of it.
Argon
Argon is the third most abundant gas in the air, making up about 0.93% of it.
Carbon dioxide
Carbon dioxide is present in trace amounts in the air, making up about 0.04% of it.
یہ عام طور پر کاسٹک سوڈا کے نام سے جانا جاتا ہے؟
- Magnesium hydroxide
- Sodium hydroxide
- Calcium Hydroxide
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Sodium hydroxide is commonly known as caustic soda.
It is a strong base used in soap making and other chemical industries.
- Of
- On
- From
- With
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The correct preposition with "suffers" when talking about a medical condition is "from".
For example, "She suffers from a heart disease."
کس قسم کی تشخیص سیکھنے والوں کے سیکھنے کے عمل میں خامیوں اور مشکلات کی نشاندہی کرتی ہے؟
- Diagnostic assessment
- Summative assessment
- Formative assessment
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Diagnostic means تشخیصی
Diagnostic assessment is used to identify students' strengths and weaknesses, helping to detect difficulties in the learning process.
It is conducted before or during the learning process to provide insights for improving teaching strategies.
- Interrogative pronoun
- Indefinite pronoun
- Demonstrative pronoun
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
"Everyone" is an indefinite pronoun as it refers to a non-specific group of people.
It does not point to any particular individual but refers collectively to all people.
فیصلوں کی مسجد اور بین الاقوامی اسلامی یونیورسٹی ______ کی مالی مدد کے ساتھ تعمیر کی گئی تھی؟
- Kingdom of Saudi Arabia
- Turkey
- Libya
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The mosque was built by a Saudi King named King Faisal who gifted it in recognition of friendship between Pakistan and Saudi Arabia.
Faisal Mosque of Pakistan was opened to the public in 1986 OR 1987
**
On 18th June 1988 the first prayer was held in the Faisal mosque
**
The Faisal Mosque is the largest mosque in Pakistan,
located in the national capital city of Islamabad.
Completed in 1986,
it was designed by Turkish architect Vedat Dalokay
- مال کے ضیاع کو ناپسند کرتا ہے
- سادگی کا حکم دیتا ہے
- پختہ مکان کو ضروری نہیں سمجھتا
- ان میں سے کوئی نہیں
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
اسلام میں فضول خرچی اور نمود و نمائش کی مذمت کی گئی ہے۔
حضور صلی اللہ علیہ وسلم نے اونچے گنبد کو مال کا ضیاع سمجھتے ہوئے ناپسند فرمایا۔
- x² + y²
- x²y²
- x² - y²
- None of these
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Explanation
A binomial expression contains exactly two terms, and x² + y² fits that definition.
x²y² is a monomial (single term).
x + y + 1 is a trinomial (three terms).
