Ans: (b)
147. The clove is a:
(a) fruit
(b) grown bud
(c) dry flower bud
(d) seed
Ans: (c)
148. The most stable eco-system is- [RAS/ RTS (Pre) 2008]
(a) Forest
(b) Steppe
(c) Desert
(d) Sea
Ans: (d)
149. Which of the following factor is the most important for the degradation of bio-diversity? [UPPCS 2010]
(a) self-sustained inheritance
(b) control of parasites
(c) devastation of natural habitat
(d) insect control
Ans: (c)
150. Which of the following is a manmade paddy:
(a) hordium bulgear
(b) tritkel
(c) zia mez
(d) tritium bulgear
Ans: (b)
151. Which of the following has maximum protein : [BPSC (Pre) 1995]
(a) gram
(b) pea
(c) soabean
(d) pigeon pea
Ans: (c)
152. Which of the following fibres is not the product of plant stem? [UPPCS (Pre) 2000]
(a) hemp
(b) jute
(c) silk
(d) cotton
Ans: (d)
153. The medicine of malaria (cincona) has been now replaced by an artificial medicine which is : [UPPCS (Pre) 2000]
(a) ampyciline
(b) chIoroquinine
(c) tetracycline
(d) chIoromycetine
Ans: (b)
154. Which one of the following crops supply surplus nitrogen to the soil? [IAS (Pre.) 1994]
(a) potato
(b) sweet potato
(c) sun flower
(d) pea
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