spelling lesson 19

Identify the word that spells 92. => Eighty-two or Forty-two or Seventy-two or Ninety-two..

An organic compound was found to contain the following percentage composition: H = 2.22%, C = 26.67%, O = 71.11%. Find its empirical formula. (Relative atomic mass of H=1, C=12, O=16..

In Young's double slit experiment what is the intensity at a point on screen where the two waves arrive at a phase difference of (i) 60 0 (ii) 90 0 and (iii) 120 0..

Question: In platyhelminthes, the excretory organs are 1. nephridia 2. malpighian tubules 3. flame cells (solenocytes) 4. green glands Answer: ..

Question: Division of cytoplasm is known as ______________. 1. Karyokinesis 2. Plasmolysis 3. Cytokinesis 4. None of the above Answer: ..

Question: Which of the following is the high milk yielding variety of cow? 1. Holstein 2. Dorset 3. Sahiwal 4. Red sindhi Answer: ..

Question: Temperature is a measure of ___________. 1. total kinetic energy of molecules 2. total potential energy of molecules 3. average potential energy of molecules 4. average kinetic energy of molecules Answer: ..

Question: The method of detecting the presence, position and direction of motion of distant objects by reflecting a beam of sound waves is known as _____. 1. RADAR 2. SONAR 3. MIR 4. CRO Answer: ..

Question: Which type of tissue forms glands? 1. Epithelial 2. Connective 3. Nervous 4. Muscle Answer: ..

Question: Name the physical quantity which is equal to the product of force and velocity. 1. work 2. energy 3. power 4. acceleration Answer: ..