341: Biodiversity forms the basis for human existence in the following ways:

1. Soil formation
2. Prevention of soil erosion
3. Recycling of waste
4. Pollination of crops

Select the correct answer using the codes given below:

(a) 1, 2 and 3 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
342: One local and another express train were proceeding in the same direction on parallel tracks at 29 km/hour and 65 km/hour respectively. The driver of the former noticed that it took exactly 16 seconds for the faster train to pass by him. What is the length of the faster train?

(a) 60 m
(b) 120 m
(c) 160 m
(d) 240 m
343: Which of the following is/are found in plant cells but not in those of animals ?

(a) Plastid & Cellular wall

(b) Chromosome

(c) Mitochondria & Golgi apparatus

(d) Cell wall & lysozyme
344: What was the immediate cause for the launch of the Swadeshi movement ?

(a) The partition of Bengal done by Lord Curzon

(b) A sentence of 18 months rigorous imprisonment imposed on Lokmanya Tilak

(c) The arrest and deportation of Lala Lajpat Rai and Ajit Singh; and passing of the Punjab Colonization Bill

(d) Death sentence pronounced on the Chapekar brothers
345: Mekong-Ganga Cooperation Project is

(a) an irrigation project involving India and Myanmar
(b) a joint tourism initiative of some Asian countries
(c) a hydroelectric power project involving India, Bangladesh and Myanmar
(d) a defence and security agreement of India with its eastern neighbours