2686: Which one of the following plants is effective in reducing water pollution and is also useful for producing bio gas ?

(a) Eucalyptus

(b) Water hyacinth

(c) Salvinio

(d) Lotus
2687: Match List I (Country) with List II (President) and select the correct answer using the codes given below the lists:
List I List II
(Country) (President)
A. Congo 1. Levy Mwanawasa
B. Nigeria 2. Joseph Kabila
C. Uganda 3. Olusegum Obasanjo
D. Zambia 4. Yoweri Museveni
Codes:
A B C D
(a) 2 3 4 1
(b) 3 2 1 4
(c) 2 3 1 4
(d) 3 2 4 1
2688: Which one of the following is NOT an astronomical object?

(a) Pulsar

(b) Brittle Star

(c) Black hole

(d) Quasar
2689: Which one among the following commissions was set up in pursuance of a definite provision under an Article of the Constitution of India ?

(a) University Grants Commission

(b) National Human Rights Commission

(c) Election Commission

(d) Central Vigilance Commission
2690: Whose name is associated with Fatehpur Sikri?

(a) Akbar

(b) Babar

(c) Shahjehan

(d) Humayun