SPSC Lecturer Botany Past Papers 2000 to till date

Q211: What is the main source of nitrogen oxides, sulphur oxides and carbon oxides?

نائٹروجن آکسائڈس ، سلفر آکسائڈ اور کاربن آکسائڈ کا بنیادی ذریعہ کیا ہے؟

Photochemical reactions in the atmosphere

Industrial process

Burning fossil fuels at high temperatures

None of these

Q212: The phrase "Burning the midnight oil" means?

Working in the dark

Wasting time

Staying up late to study or work

None of these

Q213: I haven’t seen you ____ 2009.

Since

For

Of

None of these

Q214: She ____ in the sun one hour.

Has sit

Sitting

Has been sitting

None of these

Q215: Peroxyacetyl nitrate (PAN) is a by-product of ______?

پیرو آکسیٹیل نائٹریٹ (پین) ______ کا ایک پروڈکٹ ہے؟

London smog

Photochemical smog

Sulphurous smog

None of these

Q216: DNA can be specifically tested by _____?

ڈی این اے کا خاص طور پر _____ کے ذریعہ تجربہ کیا جاسکتا ہے؟

Lowry test

Iodine

Feulgen reaction

None of these

Q217: Of total water on the Earth, freshwater reserves constitute approximately ______?

زمین پر کل پانی کے ، میٹھے پانی کے ذخائر تقریبا ______ کی تشکیل کرتے ہیں؟

3.65%

1.2%

2.7%

None of these

Q218: Mitochondria are found ______?

مائٹوکونڈریا کہاں پائے جاتے ہیں؟

In all eukaryotic cells

In all cells

Only in plant cells

None of these

Q219: The book entitled "Muhammad Ali Jinnah" was written by ______?

محمد علی جناح کے عنوان سے کتاب کس نے لکھی؟

Khalid bin Sayeed

J.D Raees

M.H Saiyid

None of these

Q220: What is an allele?

ایلیل کیا ہے؟

A mutation in DNA

A trait that is expressed

A gene variant at a specific locus

None of these