2566: H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?
(a) AIDS
(b) Bird flu
(c) Dengue
(d) Swine flu
2567: The normal temperature of human body on the Kelvin scale is
(a) 280
(b) 290
(c) 300
(d) 310
2568: When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because
(a) Water from soil cannot rise to aerial parts
(b) Roots are starved of energy
(c) Tree is infected by soil microbes
(d) Roots do not receive oxygen for respiration
2569: Consider the following specific stages of demographic transition associated with economic development :
1. Low birthrate with low death rate
2. High birthrate with high death rate
3. High birthrate with low death rate
Select the correct order of the above stages using the codes given below :
(a) 1, 2, 3
(b) 2, 1, 3
(c) 2, 3, 1
(d) 3, 2, 1
2570: Among the following who was the proponent of the "Bhakti Cult" from West Bengal?
(a) Chaitanya Prabhu
(b) Ramanujacharyulu
(c) Ramanand
(d) Kabir