Environmental Chemistry + GK 5
1- Which of the following is not the consequence of ozone layer depletion?a) Increased ultraviolet raysb) Cyanobacteria are sensitive to UV radiation and would be affected by its increase.c) Malignant melanoma-Another…
1- Which of the following is not the consequence of ozone layer depletion?a) Increased ultraviolet raysb) Cyanobacteria are sensitive to UV radiation and would be affected by its increase.c) Malignant melanoma-Another…
The debate over the Societies Registration (Amendment) Act 2024 concluded on Sunday when President Asif Ali Zardari officially signed it into law. The law, which addresses the regulation of madressahs (religious…
A devastating air accident occurred at South Korea's Muan International Airport on Sunday, resulting in the deaths of at least 124 people. A Jeju Air flight crash-landed without landing gear, veered…
Proclamation of Republic first constitution drafted?a) 1956b) 1958c) 1962d) None of these Pakistan Standard Time became effective at mid-night?a) 1951b) 1952c) 1953d) 1954 Who is current federal minister for communication?a) Molana…
The maximum number of electrons which can be present in a subshell can be represented by?a) 2l + 1b) 2n2c) 4l + 2d) 4l – 2 The Schrodinger wave equation is?a)…
Select the correct statement from the following option.?a) Conjugate effect is stronger than (-I) effectb) Conjugate effect is weaker than (-I) effectc) Conjugate effect is same as (-I) effectd) None of…
Which of the following is not the application of gel filtration? (PPSC 2021)?a) Purificationb) Relative molecular mass determinationc) Protein concentrationd) None of these Which solvent is usually used for SEC in…
Which of the following elements is the most electropositive?a) Bb) Cc) Cld) N Which species does not contain an sp3-hybridized atom?a) BH3a) NH4+b) NH3c) none of thesed) BH3 Photochemical smog normally…
India has declared seven days of state mourning following the death of former Prime Minister Manmohan Singh, a key architect of the country's economic liberalisation in the early 1990s. Singh, who…
The Director General of the Inter-Services Public Relations (ISPR), Lieutenant General Ahmed Sharif Chaudhry, reaffirmed Pakistan's unwavering commitment to combat terrorism and safeguard the security of its citizens at all costs.…