141: The trees of spruce, fir, pine, etc. are found in which of the following natural regions of the earth?
(a) Laurentian type
(b) Alpine type
(c) Taiga type
(d) Siberian type
142: Match List I (Oxdiation number) with List II (The element) and select the correct answer using the codes given below this lists:
List I List II
(Oxidation number) (The element)
A. 2 1. Oxidation number of Mn in MnO2
B. 3 2. Oxidation number of S in H2S2O7
C. 4 3. Oxidation number of Ca in CaO2
D. 6 4. Oxidation number of Al in NaAIH4
Codes:
A B C D
(a) 3 4 1 2
(b) 4 3 1 2
(c) 3 4 2 1
(d) 4 3 2 1
143: Mouth and foot diseases in cattle are caused due to:
(a) Bacteria
(b) Virus
(c) Fungi
(d) Penicillium
144: Following are the characteristics of an area in India:
1. Hot and humid climate
2. Annual rainfall 200 cm
3. Hill slopes up to an altitude of 1100 metres
4. Annual range of temperature 15 degree celcius to 30 degree celcius.
Which one among the following crops are you most likely to find in the area described above ?
(a) Mustard
(b) Pepper
(c) Cotton
(d) Virginia tobacco
145: Consider the following events :
I. Reign of Krishnadevaraya of Vijayanagara.
II. Construction of Qutab Minar.
III. Arrival of Portuguese in India.
IV. Death of Firoz Tughlaq.
(a) II, IV, III, I
(b) II, IV, I, III
(c) IV, II, I, III
(d) IV, II, III, I