SPSC 25 years Past Papers 2001 to 2025

Q611: Aquatic plants have ______?

آبی پودوں میں ______ ہے؟

Well developed roots

Well developed stomata

Well developed aerenchyma

None of these

Q612: Fruits are not found in Gymnosperms due to the presence of _____?

کی موجودگی کی وجہ سے جمناسپرم میں پھل نہیں پائے جاتے ہیں؟ _____

Fertilization

Ovary

Pollination

None of these

Q613: Ginger is a _____?

ادرک ایک _____ ہے؟

Leaf

Stem

Root

None of these

Q614: If the wave length of photon is doubled _____?

اگر فوٹوون کی لہر کی لمبائی دوگنی ______ ہے؟

Energy is doubled

Frequency is doubled

Energy is reduced by the factor of two

None of these

Explanation

Energy of a photon is given by $E = frac{hc}{lambda}$ , so if the wavelength ( $lambda$ ) is doubled, energy ( $E$ ) is halved.

Frequency ( $f$ ) and wavelength ( $lambda$ ) are inversely related ( $c = flambda$ ), so doubling $lambda$ reduces $f$ by half.

Q615: All fungi are always ______?

تمام کوکی ہمیشہ ______ ہوتے ہیں؟

Halophytes

Autotrophs

Heterotrophs

None of these

Q616: Which of the following are prokaryotes?

مندرجہ ذیل میں سے کون سے پروکریوٹ ہیں؟

Plants and animals

Animals and archaea

Archaea and bacteria

None of these

Q617: Allama Iqbal was awarded the title of "Sir" by ______?

علامہ اقبال کو ______ کے ذریعہ "سر" کے لقب سے نوازا گیا؟

King George V

Prime Minister Churchill

Viceroy Mountbatten

None of the above

Q618: Choose analogous pair: Chalk : Blackboard ::?

Type : Paint

Table : Chair

Ink : Paper

Door : Handle

Q619: Adrenal gland is situated at the apex of each _____?

ایڈرینل غدود ہر _____ کے عروج پر واقع ہے؟

Kidney

Lung

Eye

None of these

Q620: Region of soil surrounding the root is ______?

جڑوں کے آس پاس مٹی کا خطہ ______ ہے؟

Rhizosphere

Rhonium

Rhizomium

None of these