4526: When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because

(a) Water from soil cannot rise to aerial parts

(b) Roots are starved of energy

(c) Tree is infected by soil microbes

(d) Roots do not receive oxygen for respiration
4527: Avinash is Ravi's eldest brother. Ravi is younger to Ajay. Ravi and Ajay are not brothers. Which of the following statements is definitely true?

(a) Ajay is younger to Avinash

(b) Avinash is younger to Ajay

(c) Ajay is younger to Ravi

(d) None of the above
4528: The name Pahlavi Dynasty in Iran is derived from the:

(a) Language

(b) King

(c) Religion

(d) River
4529: Match List I (Power generation plant) with List II (Feed material) and select the correct answer using the codes given below the Lists:

List I------------------------------------------------List II

I. M/s Gowthami Solvents Oil Limited, Andhra Pradesh--(A) Rice husk

II. M/s KM. Sugar Mills, Uttar Pradesh-----------------(B) Slaughter house waste

III. M/s Satia Paper Mills, Punjab----------------------(C) Distillery spent wash

IV. M/s Al Kabeer Exports Limited, Andhra Pradesh------(D) Black liquor

Codes:

(a) I-C, II-A, III-B, IV-D
(b) I-C, II-A, III-D, IV-B
(c) I-A, II-C, III-D, IV-B
(d) I-A, II-C, III-B, IV-D
4530: With reference to the role of UN-Habitat in the United Nations programme working towards a better urban future, which of the statements is/are correct?

1. UN-Habitat has been mandated by the United Nations General Assembly to promote socially and environmentally sustainable towns and cities to provide adequate shelter for all.

2. Its partners are either governments or local urban authorities only.

3. UN-Habitat contributes to the overall objective of the United Nations system to reduce poverty and to promote access to safe drinking water and basic sanitation.

Select the correct answer using the code given below:

(a) 1, 2 and 3
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1 only