1. Identify the correct passive form: ‘I heard her sing.’
A. She was heard sing by me.B. She was heard to be sung by me.C. She was heard sung by me.D. She was heard to sing by me.
2. Through the azimuthal quantum number, which of the following can be understood?
A. Shape of the subshellB. Size of the principal energy levelC. Three-dimensional arrangement of the subshellD. Nature and direction of the electron’s spin
3. What is the ratio of the amplitude of the loud sound to the feeblest sound?
A. 105B. 106C. 1011D. 1012 10−5 10−11 = 106
4. Which occurs in lower rate in plant? C4
A. PhotosynthesisB. PhotorespirationC. Carbon reductionD. All of above
5. Which forms virtual, erect and small image?
A. Concave lensB. Convex lensC. Plane mirrorD. Concave mirror
6. Which oxyacid has more strength?
A. HNO3B. H2CO3C. HNO2D. H3P O4