Sets
General Science Set 39
30 questions 1. On heating cinnabar, the mass percentage of mercury obtained is around:
2. In muscle cells lacking oxygen, pyruvate is converted into:
3. Nichrome is an alloy of:
4. Cell division that leads to the creation of new individuals in unicellular organisms is called:
5. Carbon compounds having only single bonds between carbon atoms are called:
6. Power is defined as the:
7. In 1958, F. C. Steward regenerated whole plants from single cells of the phloem of:
8. Heating ethanol at 443 K with excess concentrated sulphuric acid gives:
9. In a thundercloud, the upper part is occupied by:
10. Permanent tissues composed of more than one type of cell are called:
11. Consider the following statements about cathode rays:
(I) In the absence of electric or magnetic field, they travel in straight lines.
(II) Their characteristics do not depend on the material of the electrodes.
(III) Their characteristics depend on the nature of the gas in the tube.
Which of the above is/are correct?
12. The decomposition of limestone gives carbon dioxide and:
13. The finger-like projections in the inner lining of the small intestine that increase the surface area for absorption are called:
14. The wavelength range of UV rays is:
15. The DNA in the cell nucleus is the information source for making:
16. Of two solutions with pH 6 and pH 8, the solution with the higher hydrogen ion concentration has pH:
17. The core of an electromagnet is made of:
18. Consider the following statements:
(I) Matthias Schleiden observed that all plants are composed of cells.
(II) Theodor Schwann concluded that the presence of a cell wall is a unique character of plant cells.
(III) Rudolf Virchow explained that new cells are formed from pre-existing cells.
Which of the above is/are correct?
19. Element 106 has been named Seaborgium (Sg) in honour of:
20. The mechanical advantage of a lever is equal to: