PAF DRIVER PAST PAPER 2021 TO DATE
PAF 5 years
Past Papers Click
here
Show Answers
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
تھرمسٹرس درجہ حرارت کو ______ میں تبدیل کرتے ہیں؟
Sound
Light energy
Electrical voltage
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Thermistors are temperature-sensitive resistors whose resistance changes with temperature.
This change affects the electrical voltage in a circuit , allowing temperature measurement.
ایک پودوں کا جسم جس کو حقیقی جڑوں ، تنوں اور پتے میں فرق نہیں کیا جاتا ہے؟
Shoots
Thallus
Filament
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
A thallus is a plant body not differentiated into true roots, stems, and leaves.
It is commonly found in algae, fungi, and some bryophytes.
کون سا قدرتی رجحان تال کی ایک مثال ہے؟
Flow of water in a river
Lightening
Earthquake
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Rhythm refers to a regular, repeated pattern or movement.
The flow of water in a river follows a continuous and rhythmic pattern.
Towards
Too
Together
To
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The phrase accustomed ended with “ To ” and is followed by “ ing ” form of a verb.
Accustomed to something means کسی چیز کا عادی ہونا
He is accustomed to drinking so much means وہ بہت زیادہ پینے کا عادی ہے
From
With
At
Of
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Astonish means حیران کردینا "I was astonished at his failure." In English , "astonished" is typically followed by "at" when expressing surprise or amazement about something.
From
With
Of
By
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Ashamed is generally followed by of .
Of is a preposition here.
Ashamed of something means کسی بات پر شرمندہ ہونا
He is ashamed of his conduct.
From
With
By
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
With is a preposition here.
Trembling with cold means سردی سے کانپنا
"My brother was trembling with cold."
We use with here to show the cause or reason for the trembli ng.
In
From
Into
Of
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Translate this passage into English.
This indicates the action of converting text or speech from another language into English.
It maintaining accuracy and meaning in the translation process.
اگر کوئی ستارہ کسی مبصر سے دور ہو رہا ہو تو اس کی روشنی کی طول موج میں مشاہدہ شدہ تبدیلی کہلاتی ہے؟
Blueshift
Redshift
Greenshift
Yellowshift
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
When a star is moving away from an observer, the wavelength of the light it emits appears to be stretched or shifted toward the red end of the spectrum. This phenomenon is known as redshift .
اگر ذریعہ مبصر کی طرف بڑھتا ہے، تو تعدد؟
Decreases
Increases
Remains constant
Fluctuates
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
If the source moves toward the observer, the frequency of the sound waves perceived by the observer increases due to the Doppler effect.