476: Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?
1. Volcanic action
2. Respiration
3. Photosynthesis
4. Decay of organic matter
Select the correct answer using the code given below.
(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
477: Which of the following are correctly matched?
1. Medha Patkar Environment Activist
2. Jamini Roy Painter
3. Bhuvaneshvari Squash player Kumari
Choose the correct answer from the codes given below:
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
478: Which of the following are the public sector undertakings of the Government of India ?
1. Balmer Lawrie and Company Ltd.
2. Dredging Corporation of India
3. Educational Consultants of India Ltd.
Select the correct answer using the code given, below:
(a) 1 and 2 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
479: Consider the following statements regarding the relations between India and Pakistan:
1. During Shimla Agreement, Indira Gandhi and Zulfikar Bhutto agreed to maintain the sanctity of LoC
2. Lahore Summit took place in the year 1997
3. Islamabad Summit was held between Rajiv Gandhi and Nawaz Sharif
Which of these statements is/are correct?
(a) 1, 2 and 3
(b) 1 and 3
(c) Only 2
(d) Only 1
480: A point is selected at random inside a rectangle and perpendiculars are drawn on each side from the point. The sum of these perpendiculars is 24 cm. If the length of the rectangle is 3 times the width, the perimeter of the rectangle will be
(a) 36 cm
(b) 42 cm
(c) 24 cm
(d) 48 cm