1. Which of the following pairs regarding typical composition of hospital wastes is incorrect?
(A) Plastic-   9-12%
(B) Metals-   1-2%
(C) Ceramic-   8-10%
(D)    Biodegradable-   35-40%



2. Fresh water achieves its greatest density at:
(A) -4° C
(B) 0° C
(C) 4° C
(D) -2.5° C



3. Which one of the following is not associated with earthquakes?
(A) Focus
(B) Epicenter
(C) Seismograph
(D) Swells



4. The tallest trees in the world are found in the region :
(A) Equatorial region
(B) Temperate region
(C) Monsoon region
(D) Mediterranean region



5. Match List-I with List-II and select the correct answer from the codes given below:
List-I                                                   List - II
(National Parks)                                  (States)
(a) Periyar                                            (i) Orissa
(b) Nandan Kanan                              (ii) Kerala
(c) Corbett National Park                    (iii) Rajasthan
(d) Sariska Tiger Reserve                    (iv) Uttarakhand

Codes:      
(a)        (b)        (c)        (d)      
(A)       (ii)        (i)         (iv)       (iii)      
(B)       (i)         (ii)        (iv)       (iii)      
(C)       (iii)       (ii)        (i)         (iv)      
(D)       (i)         (ii)        (iii)       (iv)