1681: In high mountain regions bleeding through nose occurs because:
(a) The pressure of the blood capillaries is higher than the outside pressure
(b) The pressure at high altitudes is greater than that in the plains
(c) The blood pressure increases at high altitudes
(d) The blood pressure decreases at high altitudes
1682: Which of the following leaf modifications occur(s) in the desert areas to inhibit water loss?
1. Hard and waxy leaves
2. Tiny leaves
3. Thorns instead of leaves
Select the correct answer using the code given below :
(a) 2 and 3 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
1683: In the Union Budget 2011-12, a full exemption from the basic customs duty was extended to the bio-based asphalt (bioasphalt). What is the importance of this material?
1. Unlike traditional asphalt, bio-asphalt is not based on fossil fuels.
2. Bioasphalt can be made from non- renewable resources.
3. Bioasphalt can be made from organic waste materials.
4. It is eco-friendly to use bioasphalt for surfacing of the roads.
Which of the statements given above are correct?
(a) 1, 2 and 3 only
(b) 1, 3 and 4 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
1684: Gandhi Sagar Dam is a part of which one of the following?
(a) Kosi Project
(b) Damodar Valley Project
(c) Bhakra Nangal Project
(d) Chambal Project
1685: In which one of the following union territories, do the people of the Onge tribe live?
(a) Andaman and Nicobar Islands
(b) Dadra and Nagar Haveli
(c) Daman and Diu
(d) Lakshadweep