4076: Consider the following statements regarding haemoglobin
1. It contains iron
2. It is a carrier of oxygen in the blood
3. It imparts red color to the blood
4. It provides immunity against certain diseases.
Of these statements
(a) 1, 2 and 4 are correct
(b) 1, 2 and 3 are correct
(c) 1, 3 and 4 are correct
(d) 2, 3 and 4 are correct
4077: The damage to the Spektr Module of the Russian Space Station Mir was due to
(a) collision with a Soyuz cargo ship
(b) faulty material design of the Spektr Module
(c) explosion inside the space station
(d) collision with an asteroid
4078: Zayed bin Sultan-al-Nahyan was a long serving President of which of the following ?
(A) Oman
(B) United Arab Emirates
(C) Kuwait
(D) Saudi Arabia
4079: Which of the following pairs is correct?
City : River
(a) Baghdad : Tigris
(b) Bonn : Danube
(c) Rome : Seine
(d) Paris : Tiber
4080: The 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities. How do mangroves function as a safety hedge?
(a) The mangrove swamps separate the human settlements from the sea by a wide zone in which people neither live nor venture out.
(b) The mangroves provide both food and medicines which people are in need of after any natural disaster.
(c) The mangrove trees are tall with dense canopies and serve as an excellent shelter during a cyclone or Tsunami.
(d) The mangrove trees do not get uprooted by storms and tides because of their extensive roots.