1021: The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs
(a) the water vapour of the air and retains its heat
(b) the ultraviolet part of the solar radiation
(c) all the solar radiations
(d) the infrared part of the solar radiation
1022: A boy carved his initials on the-bark of a tree at a height of 2.5 m above the ground when the tree was 5 m tall. In 10 years the tree attained a height of 15 m. The initials carved by the boy 10 years ago will now be found:
(a) At 2.5 m above the ground
(b) At 7.5 m above the ground
(c) At 12.5 m above the ground
(d) At 15.0 m above the ground
1023: Match List-I (Books) with List-II (Authors) and select the correct answer using the codes given below the Lists:
List-I List-II
(Books) (Authors)
A. My Presidential Years 1. S. Radhakrishnan
B. The Hindu View of Life 2. V. V. Giri
C. Voice of Conscience 3. N. Sanjiva Reddy
D. Without Fear or Favour 4. R. Venkataraman
Codes:
A B C D
(a) 2 1 4 3
(b) 4 3 2 1
(c) 2 3 4 1
(d) 4 1 2 3
1024: At which one of the cities labelled as A, B, C and D on the given map of Europe was the historic treaty between NATO and Warsaw Pact countries signed in 1998 ?
(a) A
(b) B
(c) C
(d) D
1025: The term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of the discussion of
(a) Widespread monoculture practices in agriculture and large-scale commercial farming with indiscriminate use of chemicals in many parts of the world that may result in the loss of good native ecosystems.
(b) Fears of a possible collision of a meteorite with the Earth in the near future in the manner it happened 65 million years ago that caused the mass extinction of many species including those of dinosaurs. .
(c) Large scale cultivation of genetically modified crops in many parts of the world and promoting their cultivation in other parts of the world which may cause the disappearance of good native crop plants and the loss of food biodiversity.
(d) Mankind's over-exploitation/misuse of natural resources, fragmentation/loss of natural habitats, destruction of ecosystems, pollution and global climate change.