2076: In the given figure, angle OQP = 30° and angle ORP = 20°, angle QOR is equal to
(a) 100°
(b) 120°
(c) 130°
(d) 140°
2077: Which of the following pairs is/are correct?
(A) Main root : Storage
(B) Lateral root : Absorption
(C) Root hair : Conduction
(a) Only A
(b) A and C
(c) All are correct
(d) None of the above
2078: Consider the following statements
1. The first woman President of the Indian National Congress was Sarojini Naidu.
2. The first Muslim President of the Indian National Congress was Badruddin Tyabji.
Which of the statements given above is / are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2079: Two important rivers - one with its source in Jharkhand (and known by a different name in Odisha), and another with its source in Odisha - merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area.
Which one of the following could be this?
(a) Chandipur-on-sea
(b) Gopalpur-on-sea
(c) Bhitarkanika
(d) Simlipal
2080: 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