SAU PAST PAPER 2011
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
گلاس پرزم سے گزرنے پر سفید روشنی کو سات رنگوں میں تقسیم کرنا ______ کی وجہ سے ہے؟
- Diffraction
- Refraction
- Interference
- None of these
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Explanation
When white light passes through a prism, different wavelengths bend by different amounts.
This dispersion due to refraction splits light into seven colors (VIBGYOR).
آسمان نیلے دکھائی دیتا ہے کیونکہ ______؟
- Scattering of light from atmosphere
- Blue light is scattered the most
- Blue light is absorbed
- Both A and B
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Explanation
The sky looks blue due to Rayleigh scattering of sunlight by air molecules.Among visible colors, blue light is scattered the most because of its shorter wavelength.
گلوکوز سے زیادہ پودوں کے خلیوں میں ______ میں تبدیل ہوتا ہے؟
- Starch
- Galactose
- Glycogen
- None of these
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Explanation
In plants, excess glucose is stored in the form of starch, an insoluble polysaccharide.
Glycogen is the storage form in animals.
Cellulose forms structural cell walls.
ادوار کے دوران مندرجہ ذیل میں سے کون سا تاجر سب سے پہلے ہندوستان آیا؟
- Portuguese
- Dutch
- Danish
- English
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Explanation
Portuguese explorer Vasco da Gama was the first European to reach India
Through the Atlantic Ocean at Calicut India.
the Portuguese build their first fortress in Cochin.
Francisco de Almeida was appointed as the first Portuguese governor in India.
They were followed by the Dutch when they tried to enter the Indian market in the middle of the 16th century.
شمسی توانائی کا بنیادی ذریعہ _____ ہے؟
- Sun
- Wind
- Coal
- None of these
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Explanation
Solar energy originates directly from the Sun’s nuclear fusion reactions.
Wind and coal are indirect or non-solar sources, but the Sun is the primary source.
- Exhausted
- Weary
- Invigorated
- None of these
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Explanation
Tired means تھکا ہوا
Invigorated means متحرک
- Attempt
- Strive
- Quit
- None of these
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Explanation
Try means کوشش
Quit means کوشش کرنا بند کرنا
- Prefer
- Agree
- Reject
- None of these
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Explanation
Discard means پھینک دینا یا کسی چیز سے چھٹکارا حاصل کرنا Reject means مسترد |
- The people of Pakistan underwent a large number of problems of social nature
- The Pakistan’s people have undergone social problems
- The people of Pakistan have faced many social problems
- None of these
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Explanation
The people of Pakistan have faced many social problems.
The verb “have faced” is the correct expression for experiencing problems.
- With
- Of
- In
- None of the above
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Explanation
Fascinated with means attracted with.
With is a preposition here.
Fascinated means گرویدہ ہونا
I was fascinated with her because of her good manners.
Additional Information:
He lacks good manners." (Verb)
"He is lacking in good manners." (Adjective)
"There is a lack of good manners." (Noun)