Birds like Flamingos can stand on one leg. Which among the following statements relating to this is/are correct?

1. By standing on one leg Flamingos can conserve body heat and energy because they can reduce great deal of surface area for the loss of heat.
2. By standing on one leg, one Flamingo makes a courtship display, which is a part of ritual prior to reproduction.

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The main function of the inner bark of a woody plant is to

A biogeography region with significant reservoir of biodiversity that is under threat from humans is called as

The common edible mushroom is a

Which of the following statements with regard to the Federal System is/are correct?

1. In a federation, two sets of governments co-exist and there is distribution of power.
2. There is a written constitution.

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The international body which was formed in Europe (in 1889) to coordinate the efforts of socialists all over Europe was called