GEOGRAPHY MCQS SET 101

GEOGRAPHY MCQS SET 101

1001) Red Data Book gives information about species which are
A) extinct
B) endangered
C) dangerous
D) rare

Answer: endangered
   
1002) A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop-Rat-Snake-Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
A) Food crop
B) Hat
C) Snake
D) Hawk

Answer: Hawk
   
1003) Consider the following statements
1. In ecology, an ecosystem is a naturally occurring assemblage of organism (plant, animal and other living organism-also referred to as a biotic community or biocoenosis) living together with their environment (or biotope), function as a unit of sorts.
2. The term 'ecosystem' first coined by Arthur Tansley.
Which of the statements given above is/are correct?
A) Only 1
B) Only 2
C) Both 1 and 2
D) Neither 1 nor 2

Answer: Both 1 and 2
   
1004) Which of the following statements is/are true?
1. Circulation of energy in the biosphere ecosystem is cyclical.
2. Circulation of matter in the biosphere ecosystem is unidirectional.
Select the correct answer using the codes given below
A) Only 1
B) Only 2
C) Both 1 and 2
D) Neither1 nor 2

Answer: Neither1 nor 2
   
1005) Under optional conditions, the fruit fly (Drosphilia) is capable of producing
new generation every two weeks. This ability is referred to as
the _____ of the species.
A) carrying capacity
B) niche
C) biotic potential
D) optimal yield

Answer: biotic potential

1006) Which of the following lists includes only abiotic environmental factors?
A) Food, temperature, fire, wind decomposer
B) Soil minerals, oxygen level, light, predators
C) Wind, rainfall, temperature, soil minerals
D) Light, food, predators, competitors

Answer: Wind, rainfall, temperature, soil minerals
   
1007) An organism's 'trophic' level refers to
A) the rate at which it uses energy
B) where it lives
C) what it eats
D) whether it is early or late in ecological succession

Answer: what it eats
   
1008) The niche of an animal is best defined as
A) the number of individuals of the species, the environment will support.
B) the same as its habitat.
C) all the ways an animal fits into its environment.
D) the specific part for which organism is best suited.

Answer: the specific part for which organism is best suited.
   
1009) Consider the following statements about availability of oxygen on Earth
1. Most oxygen of Earth's biosphere is stored in the lithosphere.
2. Phytoplanktons are a source of available oxygen in the Earth's atmosphere.
3. Some oxygen is made in the atmosphere when sunlight breaks down water.
Which of the statements given above are correct?
A) 1 and 2
B) 2 and 3
C) 1 and 3
D) All of these

Answer: All of these
   
1010) The term used for the conservation of ecosystems and natural habitats and the maintenance and recovery of viable populations of species in their natural surroundings is
A) core conservation
B) in-situ conservation
C) ex-situ conservation
D) peripheral conservation

Answer: in-situ conservation