41). Credit for starting Space Science Research in India goes to
| A). Homi J. Bhaba |
| B). V. Sarabhai |
| C). C.V Raman |
| D). S.S. Bhatnagar |
|
42). Consider the following statements :
Assertion (A) : The space shuttle in which Kalpana Chawla, the Indian born American Scientist travelled, when reentered into the Earth Atmosphere was burnt.
Reason(R): The space shuttle had the nose cap (made of ceramics) damaged.
Now select your answer according to thecoding Scheme given below:
| A). (A) and (R) are not correct |
| B). (A) is correct, but (R) is not correct |
| C). (A) and (R) are correct, and (R) is the correct explanation. |
| D). (A) and (R) are correct, but (R) is not the correct explanation |
|
43). which of the following is NOT correct Mixing of aicohel with petrol
| A). save foreign exchange |
| B). is ecofriendly |
| C). supports sugar industry |
| D). Prevents the possibility of adulteration |
|
44). Uranium enrichment is concerned with
| A). Cuba |
| B). Israel |
| C). Iran |
| D). South Korea |
|
45). The plant which possesses anncancerus activity is
| A). Seetha |
| B). Polyalthia |
| C). Teak |
| D). Murungai |
|
46). The marine algae commercially exploited for the production of 'agar' is
| A). Sargassum |
| B). Gracilaria |
| C). Laminaria |
| D). Caulerpa |
|
47). In India AIDS was first reported 1n
| A). 1932 |
| B). 1986 |
| C). 1990 |
| D). 1992 |
|
48). Biologists celebrate every year 5th June as
| A). World Water Day |
| B). World Environment Day |
| C). W.H.O Day |
| D). World Population Day |
|
49). Which of the following diagrams correctly represents elephants, dogs and animals?
|
50). If\( a = b^{x} \) \( b = c^{y} \) \( c = a^{z} \) then xyz is equal to
| A). 1 |
| B). 0 |
| C). -1 |
| D). None of these |
|
