SST BIOLOGY, CHEMISTRY PAST PAPER 28-02-2021
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
صحیفہ صادقہ (احادیث کا پہلا مجموعہ) کس نے مرتب کیا؟
- Imam Muslim (رضہ)
- Hazrat Abu Bakar (رضہ)
- Hazrat Abu Hurairah (رضہ)
- Hazrat Abdullah bin Amr (رضہ)
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Abdullah ibn Amr ibn al-As (R.A) compiled Sahifa-e-Sadiqa, the first written collection of Hadith.
- He was a close companion of Prophet Muhammad (PBUH).
- Birth: 616 AD (Mecca)
- Death: 683 AD (Egypt)
- Governor of Egypt: 664 AD (January to February)
Last verified on 27-04-2026 |
قرآن پاک میں سب سے زیادہ کس نبی کا ذکر آیا ہے؟
- Prophet Ibrahim (AS)
- Prophet Musa (AS)
- Prophet Nuh (AS)
- Prophet Essa (AS)
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Prophet Musa (AS) is mentioned the most in the Quran.
- The name of Musa is mentioned 136 times in the Quran.
- Some
- Any
- The
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
"Some" is used with uncountable nouns like "coffee" when making polite offers or requests.
"Can you please give me some coffee?" is grammatically and contextually correct.
مندرجہ ذیل میں سے کون عام طور پر گھوڑے کی دم کے نام سے جانا جاتا ہے؟
- Calamites
- Sphenopsida
- Equisetum
- Both B and C
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Equisetum (Sphenopsida) is commonly called horse-tail due to its brush-like appearance.
It belongs to Pteridophytes.
It is a living fossil.
It is found near wetlands.
سرخ خون کے خلیات جن میں یا تو ان کی سطح پر اے یا بی اینٹیجن نہیں ہوتے ہیں وہ عام طور پر خون کی قسم والے شخص میں پائے جاتے ہیں _____؟
- B
- O
- A
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Blood type O has no A or B antigens on the surface of red blood cells.
That's why type O is known as the universal donor in blood transfusion.
قائداعظم نے چودہ نکات کب پيش کئے تھے؟
- 1929
- 1930
- 1931
- None of the above
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- In March 1929, Muhammad Ali Jinnah presented his 14 Points during a Muslim League session in Delhi to protect Muslim rights and interests.
- He had left for England in May 1928.
- He had returned after six months.
- The Nehru Report of 1928 influenced these points, which were consolidated with help from Muhammad Ali Jauhar.
- Jinnah’s Fourteen Points (1929) aimed to safeguard Muslim rights in British India.
They included:
- Federal constitution with provincial powers.
- Provincial autonomy.
- No constitutional changes without state agreement.
- Adequate Muslim representation in legislatures.
- Muslim representation in services and self-governing bodies.
- 1/3rd Muslim representation in the Central Legislature.
- 1/3rd Muslim members in central and state cabinets.
- Separate electorates.
- No bill passed if 3/4th of a minority opposes it.
- Reorganisation should not affect Muslim majorities in Bengal, Punjab, and NWFP.
- Separation of Sindh from Bombay Presidency.
- Reforms in NWFP and Balochistan.
- Full religious freedom.
- Protection of Muslim religious, cultural, educational, and linguistic rights.
تعلیم میں سیکھنے کے عمل کو بڑھانے کے لئے ٹکنالوجی کے استعمال کو _____ کہا جاتا ہے؟
- IT
- ICT
- Communication Technology
- None of the above
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
ICT stands for Information and Communication Technology.
It refers to the use of digital tools and resources (like computers, internet, smartboards) to enhance teaching and learning.
اپنے تجربے میں رودر فورڈ کا سونے کا پتلی ورق استعمال ہوا کیونکہ ______؟
- Heavy metal
- Easily hammered to a very thin film
- Easily available
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Gold can be beaten into extremely thin sheets (just a few atoms thick), ideal for alpha particle passage.
This thinness allowed alpha particles to pass through with minimal obstruction, helping observe atomic structure.
- Ether
- Ethene
- Methane
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
At 170°C, ethanol undergoes acid-catalyzed dehydration to form ethene (C₂H₄).
Concentrated H₂SO₄ acts as a dehydrating agent, removing water from ethanol.
- Extension
- Erosion
- Evasion
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Wearing away refers to the gradual removal of material.
Erosion commonly occurs by natural forces like water, wind, or ice, especially in coastal areas.
Wearing away means دور پہننا
Erosion means کٹاؤ