2476: Which one of the following is the process involved in photosynthesis ?
(a) Potential energy is released to form free energy
(b) Free energy is converted into potential energy and stored
(c) Food is oxidized to release carbon dioxide and water
(d) Oxygen is taken, and carbon dioxide and water vapour are given out
2477: Consider the following statements about Madam Bhikaji Cama :
1. Madam Cama unfurled the National Flag at the international Socialist Conference in Paris in the year 1907.
2. Madam Cama served as private secretary to Dadabhai Naoroji.
3. Madam Cama was born to Parsi parents.
Which of the statements given above is/are correct?
(a) 1 and 2, only
(b) 2 and 3, only
(c) 3 only
(d) 1, 2 and 3
2478: In which part of India do tea and coffee plantations overlap?
(a) South India
(b) East India
(c) South East India
(d) South West India
2479: The dimensions of a rectangle are 51 m and 49 m respectively while side of a square is 50 m. Which of the following statements is correct?
(a) Diagonals of the square and the rectangle are equal
(b) Diagonals of both the geometrical figures intersect at right angles
(c) The perimeters of both the geometrical figures are equal
(d) Both the geometrical figures are of the same area
2480: The world's highest ground based telescopic observatory is located in
(a) Colombia
(b) India
(c) Nepal
(d) Switzerland