4581: How can the height of a person who is six feet tall be expressed (approximately) in nanometres?

(a) 183 x 106 nanometres
(b) 183 x 107 nanometres
(c) 234 x 106 nanometres
(d) 234 x 107 nanometres
4582: With reference to an organization known as Birdlife International, which of the following statements is/are correct?

1. It is a Global Partnership of Conservation Organizations.
2. The concept of biodiversity hotspots originated from this organization.
3. It identifies the sites known/referred to as Important Bird and Biodiversity Areas.

Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4583: Which of the following statements best describes "carbon fertilization"?

(a) Increased plant growth due to increased concentration of carbon dioxide in the atmosphere
(b) Increased temperature of Earth due to increased concentration of carbon dioxide in the atmosphere
(c) Increased acidity of oceans as a result of increased concentration of carbon dioxide in the atmosphere
(d) Adaptation of all living beings on Earth to the climate change brought about hr the increased concentration of carbon dioxide in the atmosphere
4584: Given :

Humidity : H

High : A

Wind Velocity : W

Low : B

Temperature : T

The desert cooler is an appropriate cooling device for regions where

(a) HAWATB

(b) HBWBTA

(c) HAWBTB

(d) HAWATA
4585: With reference to the evolution of living organisms, which one of the following sequences is correct?

(a) Salamander - Python - Kangaroo
(b) Octopus - Dolphin - Shark
(c) Pangolin - Tortoise - Hawk
(d) Frog - Crab - Prawn