2426: Consider the following statements:
1. The last Mauryan ruler, Brihadratha was assassinated by his commander-in-chief, Pushyamitra Sunga.
2. The last Sunga king, Devabhuti was assassinated by his Brahmana minister Vasudeva Kanva who usurped the throne
3. The last ruler of the Kanva dynasty was deposed by the Andhras.
Which of these statements is/are correct?
(a) 1 and 2
(b) Only 2
(c) Only 3
(d) 1, 2 and 3
2427: A point is selected at random inside a rectangle and perpendiculars are drawn on each side from the point. The sum of these perpendiculars is 24 cm. If the length of the rectangle is 3 times the width, the perimeter of the rectangle will be
(a) 36 cm
(b) 42 cm
(c) 24 cm
(d) 48 cm
2428: Consider the following techniques/phenomena:
1. Budding and grafting in fruit plants
2. Cytoplasmic male sterility
3. Gene silencing
Which of the above is/are used to create transgenic crops?
(a) 1 only
(b) 2 and 3
(c) 1 and 3
(d) None
2429: If the number of seats allocated to a state in the Lok Sabha is 42, then the number of seats reserved for the Scheduled Castes in that state will be
(a) Data insufficient
(b) 14
(c) 7
(d) 6
2430: Which one of the following pairs of primitive tribes and places of their in-habitation is not correctly matched ?
(a) Buksa : Pauri-Garhwal
(b) Kol : Jabalpur
(c) Munda : Chhotanagpur
(d) Korba : Kodagu