All India Institute of Medical Sciences 2008 - Question Paper

accurate choice: (2)
Q. 64. In which 1 of the subsequent the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been organizes in ascending order?
a. S < DE < PE < SE
b. SE < S < PE < DE
c. SE < PE < S < DE
d. PE < S < SE < DE
Sol. BOD of distillery effluent is 40,000 mg / l and that of paper mill effluent and sewage is 190 mg/l and 30 mg/l, respectively. accurate choice: (2)
Q. 65. Which 1 of the subsequent ecosystem kinds has the highest annual net primary productivity?
a. Temperate deciduous forest
b. Tropical rain forest
c. Tropical deciduous forest
d. Temperate evergreen forest
Sol. Tropical rain forest has highest annual net primary productivity (9000 K cal / m two / yr). accurate choice: (2)
Q. 66. Which 1 of the subsequent is being utilized as a source of biodiesel in the Indian countryside?
a. Pongamia
b. Euphorbia
c. Beetroot
d. Sugarcane
Sol. Pongamia, Jatropa, Euphorbia are petrocrops. However, in the Indian countryside, Pongamia (Kanjar) is being utilized as a source of biodiesel. accurate choice: (1)
Q. 67. In a coal fires power plant electrostatic precipitators are installed to control emission of:
a. CO
b. SO2
c. NOX
d. SPM

Sol. Electrostatic precipitators control emission of suspended particle matter (SPM). accurate choice: (4)
Q. 68. Which 1 of the subsequent is not a bioindicator of water pollution?
a. Sewage fungus
b. Sludge-worms
c. Blood-worms
d. Stone flies
Sol. accurate choice: (4)
Q. 69. A high density of elephant population in an area can outcome in:
a. Predation on 1 a different
b. Mutualism
c. Intra specific competition
d. Inter specific competition
Sol. Intra-specific competition occurs ranging from the members of the identical species. accurate choice: (3)
Q. 70. Geometric representation of age structure is a characteristic of:
a. Ecosystem
b. Biotic community
c. Population
d. Landscape
Sol. Age structure is 1 of the characteristics of population. accurate choice: (3)
Q. 71. Which 1 of the subsequent pairs of organisms are exotic species introduced in India?
a. Nile perch, Ficus religiosa
b. Ficus religiosa, Lantana camara
c. Lantana camara, Water hyacinth
d. Water hyacinth, Prosopis cineraria
Sol. Lantana camara and Eicchornia czassipes (water hyacinth) are exotic species. accurate choice: (3)

Earning:   Approval pending.