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Which of the following organism breathes from skin?

A. Snake B. Earthworm C. Monkey D. Humans Submitted by :- Muhammad Nawaz

Which of the following aquatic animals does NOT have gills?

A. Octopus B. Squid C. Clown fish D. Whale Submitted by :- Muhammad Nawaz

Which among following is not an example of mixture?

A. Steel B. Juice C. Tea D. Common salt Submitted by :- Muhammad Nawaz

Which gas is present in air with highest percentage?

A. Oxygen B. Nitrogen C. Hydrogen D. Carbon dioxide Submitted by :- Muhammad Nawaz

Which gas is used for filling party and advertisement balloons?

A. Oxygen B. Nitrogen C. Hydrogen D. Helium E. Both C and D options are correct Submitted by :- Muhammad Nawaz

Which process is used for purifying solid ?

A. Filtration B. Distillation C. Condensation D. Chromatography Submitted by :- Muhammad Nawaz

In whole Periodic Table which element Is Most Reducing Agent ?

A. Chlorine B. lithium C. Helium D. Neon Submitted by :- Jamil Ahmed

Effective volume is usually taken for ____________ ?

A. 2 moles of gas B. 1 mole of gas C. 5 moles of gas D. 3moles of gas Submitted…

A solution in which more solute can not dissolve at a given temperature is known as:

A. Saturated Solution B. Super Saturated Solution C. Unsaturated Solution D. Heterogenous Solution E. None of these Submitted by :- Muhammad…

the molecular model of dna which suggest the basic mechanism of dna replication was proposed by

A: Charles Drawings and G Mendet B: C.Woese and R Franclin C: James Watson and Francis Crick D: M.Wilkuns and J.Black Submitted by :-…