1. Groups pair having positive mesomeric effect- (+M)
A. ∖ /CO, −CNB. −NO2, −NH2C. −NH2, −NHCOCH3D. −NO2, −OH
2. In which reaction will equilibrium shift backwards upon application of pressure?
A. 3F e (s) + 4H2O (g) ⇌ F e3O4 (s) + 4H2(g)B. 2H2S (g) + O2 (g) ⇌ 2S (s) + 2H2O (g)C. CaCO3 (s) ⇌ CaO (s) + CO2(g)D. N2 (g) + 3H2 (g) ⇌ 2NH3(g)
3. Which one of the following is not a hypothesis of DNA replication?
A. Conservative HypothesisB. Semiconservative HypothesisC. Dispersive HypothesisD. Expanding Hypothesis
4. Which fungus is called water mold?
A. Sac fungiB. Club fungiC. Zygote fungiD. Egg fungi
5. Which of the following is used to identify cations in table salt?
A. (NH4)2C2O4B. K2H2Sb2O7C. Na2H2Sb2O7D. AgNO3 (Na2H2Sb2O7)
6. Which forms virtual, erect and small image?
A. Concave lensB. Convex lensC. Plane mirrorD. Concave mirror