1506: Which of the following can be threats to the biodiversity of a geographical area?
1. Global warming
2. Fragmentation of habitat
3. Invasion of alien species
4. Promotion of vegetarianism
Select the correct answer using the codes given below :
(a) 1, 2 and 3 only
(b) 2 and 3 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
1507: Mycorrhiza is a symbiotic association between
(a) Bacteria and roots of higher plants
(b) Algae and roofs of orchids
(c) Fungi and roots of higher plants
(d) Protozoa and roots of higher plants
1508: Gopal, Harsh, Inder, Jai and Krishnan have Ahmedabad, Bhopal, Cuttack, Delhi and Ernakulam as their hometowns (Not necessarily in that order). They are studying in Engineering, Medical, Commerce, Economics and History Colleges (Not necessarily in that order). None of the five boys is studying in his hometown, but each of them studies in one of the cities given above.
Further it is given that:
(i) Gopal's hometown is Ernakulam.
(ii) Harsh is not stuyding in Ahmedabad or Bhopal.
(iii) Economics College is in Bhopal.
(iv) Inder's hometown is Cuttack.
(v) Krishnan is studying in Delhi.
(vi) Jai is studying in Ernakulam and the History College is in his hometown Ahemdabad.
(vii) Engineering College is situated in Ernakulam
If Inder studies in Ahmedabad, then which of the following is the correct combination of Person-Hometown-Place of Study?
(A) Harsh-Bhopal-Delhi
(B) Krishnan-Delhi-Ernakulam
(C) Jai-Ahemdabad-Ernakulam
(D) Gopal-Ernakulam-Delhi
1509: Which one of the following pairs is correctly matched ?
(a) Naqqual : Bihar
(b) Tamasha : Orissa
(c) Ankia Nat : Assam
(d) Baha : Punjab
1510: Assertion (A) :
The Quit India Movement of 1942 marked the culmination of the Indian Freedom Movement.
Reason (R):
After the Quit India Movement it was only a question of time and determining the actual mechanics of the transfer of power.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true but R is not an explanation of A
(c) A is true but R is false
(d) A is false but R is true