1. Which tissue takes part in healing the wounds?
Epithelium tissue
2. Temporary hardness of water is due to the presence of which thing?
Magnesium bicarbonate
3. Which energy does not have the problem of pollution?
Sun
4. What is a suitable unit for expressing electric field strength?
N/C
5. Which air pollutant affect the nervous system of man?
Lead
6. Which oxyacid of halogen has maximum acidic nature?
HClO4
7. The greatest threat to organisms and biodiversity in which process?
Process of habitat loss
8. The unidirectional property of a pn-junction is useful for its use as which thing?
Rectifier
9. Which animals have a diet mainly consisting of bamboo?
Red pandas
10. Thermal decomposition of alkanes is known as which name?
Cracking
11. Which energy of the electron at absolute zero is called?
Fermi energy
12. What is the characteristic odour of garlic?
A sulphur compound
13. What can be the maximum duration of totality for a solar eclipse?
7 minutes 40 seconds
14. Which is the vitamin that is most readily manufactured in our bodies?
Vitamin D
15. In human body, which are the leg bones?
Humerus and Femur
16. Which of the following is good nuclear fuel?
Plutonium-239
17. In metabolism, how enzymes act?
As catalyst
18. Which is the essential element in all organic compounds?
Carbon
19. By which plants is the maximum fixation of solar energy done?
Green plants
20. What is the wavelength of visible spectrum?
3900-7600 A
21. Which animal resembles most to human beings in terms of physical and mental capabilities?
Chimpanzee
22. Salts of which element pre vide colours to fireworks?
Strontium and barium
23. ORT (Oral Rehydration Therapy) is associated with the treatment of which disease?
Diarrhea
24. To suspect HIV/AIDS in a young individual, which symptom is mostly associated with?
Chronic diarrhea
25. We cannot see during a fog. Why?
Because of scattering of light
26. Which type of coal is difficult to light in the open air?
Peat
27. Leukemia or blood cancer is characterized by abnormal increase of which cells?
White blood cells
28. What does Oxidation involve?
Loss of electrons
29. Which Part of plant is important for the life cycle of plant?
Flower
30. What will be If a pendulum clock be taken from the earth to a revolving artificial satellite?
It will stop altogether