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

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