3226: Assertion (A):
In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group.
Reason (R):
In a group, the atomic radial generally increase from top to bottom.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
3227: Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to
1. resist drought and increase absorptive area
2. tolerate extremes of pH
3. resist disease infestation
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
3228: The native State of Tripura became involved in the Freedom Movement early in the 20th century because
(a) the kings of Tripura were always anti-British
(b) the Bengal revolutionaries took shelter in Tripura
(c) the tribes of the State were fiercely freedom loving
(d) there were already some groups fighting against the kingship and its protector, the British
3229: Which one of the following statements is not correct?
(a) In Lok Sabha, a no-confidence motion has to set out the grounds on which it is based.
(b) In the case of a no-confidence motion in the Lok Sabha, no conditions of admissibility have been laid down in the Rules.
(c) A motion of no-confidence, once admitted, has to be taken up within ten days of the leave being granted.
(d) Rajya Sabha is not empowered to entertain a motion of no-confidence.
3230: In a dinner party both fish and meat were served. Some took only fish and some only meat. There were some vegetarians who did not accept either. The rest accepted both fish and meat. Which one of the following logic diagrams correctly reflects the above situation ?