1886: 'Project Loon', sometimes seen in the news, is related to
(a) waste management technology
(b) wireless communication technology
(c) solar power production technology
(d) water conservation technology
1887: Which one of the following approaches comes under the category of biotechnology?
(a) Use of living organisms or substances obtained from them in industrial processes
(b) Modernizing the commercial industries to produce products for use in biological research
(c) Use of modern technology to investigate biological disorders
(d) Use of industrial technology to increase the biosphere
1888: The limit beyond which stars suffer internal collapse is called:
(a) Chandrashekhar limit
(b) Eddington limit
(c) Hoyle limit
(d) Fowler limit
1889: In how many different ways can all of 5 identical balls be placed in the cells shown below such that each row contains at least 1 ball ?
(a) 64
(b) 108
(c) 81
(d) 84
1890: A small wooden block is floating in a tub of water. The water is gradually heated. The volume of the wooden block visible above the water level:
(a) Increases
(b) Decreases
(c) Fluctuates
(d) Remains the same