Environment & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
1. The number of which among the following would be maximum in a Food Chain?
[A] Producers
[B] Primary Consumers
[C] Secondary Consumers
[D] Decomposers
Show Answer
Correct Answer: D [Decomposers]
Notes:Transfer of food from the plants (producers) through a series of organisms with repeated eating and being eaten is called a food chain. A food chain consists of
- Producers or Autotrophs
- Primary consumers or Herbivores
- Secondary consumers or Carnivores
- Decomposers
Decomposers make up the final trophic level in a food chain. Decomposers are the organisms that feed on dead organic matter called detritus of all the trophic levels and help in recycling the nutrients. Examples of decomposers are bacteria, fungi, mites, millipedes, earthworms, nematodes, slugs, crabs and molluscs.
2. Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of __:
[A] algae and bacteria
[B] algae and fungi
[C] bacteria and fungi
[D] fungi and mosses
Show Answer
Correct Answer: B [ algae and fungi]
Notes:
A lichen is a composite organism consisting of a fungus (the mycobiont) and a photosynthetic partner (the photobiont or phycobiont) (usually algae) growing together in a symbiotic relationship.
3. Which among the following is the first national park of India?
[A] Bandipur
[B] Corbett
[C] Periyar
[D] Keoladeo
Show Answer
Correct Answer: B [Corbett]
Notes:
Jim Corbett National Park, formerly known as Hailey National Park is the oldest National Park of India. It was established in the year 1936 to protect the endangered Bengal tiger. It was the first to come under the Project Tiger conservation programme which was launched in April 1973.
4. What is “Kharmor “?
[A] A rare / endangered animal found in some parts of north east India
[B] A rare / endangered bird found predominantly in Madhya Pradesh
[C] A species of fresh water mollusk
[D] An species of a rare plant found in Himalayas
Show Answer
Correct Answer: B [A rare / endangered bird found predominantly in Madhya Pradesh]
Notes:
The lesser florican is also known as the likh or kharmore. It is the smallest in bustard family. It is endemic to the Indian Subcontinent found predominantly in Madhya Pradesh. Scientific name- Sypheotides indicus, Rank- Species, Family- Otididae, Phylum- Chordata.
5. Who heads the National Disaster Management Authority in India?
[A] Home Minister of India
[B] Prime Minister of India
[C] Prime Minister of India
[D] President of India
Show Answer
Correct Answer: B [Prime Minister of India]
Notes:
The Disaster Management Act, 2005 received the Presidential assent on 23 December, 2005. It envisaged the creation of the National Disaster Management Authority with not more than nine members (including a Vice-Chairperson) and the Prime Minister of India as its chairperson.
6. What is the another name of Earth Summit?
[A] Geneva Summit
[B] Brasilia Summit
[C] Rio Summit
[D] World Summit
Show Answer
Correct Answer: C [Rio Summit]
Notes:
The United Nations Conference on Environment and Development (UNCED) is also known as the Rio Summit, which was held in Rio de Janeiro in 1992. After its creation, others including NGOs in the field of sustainability showed a similar development regarding the issues discussed in these conferences.
7. How many number of the Biogeographic zones are present in India?
[A] 4
[B] 8
[C] 10
[D] 15
Show Answer
Correct Answer: C [10]
Notes:
10 Biogeographic zones are Trans Himalayan zone, Himalayan zone, Desert zone, Semiarid zone, Western ghat zone, Deccan plateau zone, Gangetic plain zone, North east zone, Coastal zone and Islands present near the shore line
8. One species of Coffee called Coffea charrieriana is free of Cafeine. In which of the following countries Coffea charrieriana is grown?
[A] Vietnam
[B] Cameroon
[C] Liberia
[D] Yemen
Show Answer
Correct Answer: B [Cameroon]
Notes:
Coffea liberica is a species that originated in Liberia. Its variety Baraco is a major crop in Philippines.
Coffea arabica is indigenous to Ethiopia and Arab world. It is also known as Coffee Shrub of Arabia and is believed to be the first variety of Coffee to be cultivated.
Coffea charrieriana is a coffee that is free of caffeine. It is found in Cameroon.
Mocha Coffee or Cafe mocha is derived from Coffea Arabica. This name derived from the Mocha town of Yemen. Yemen was the largest producer and exporter of Mocha Coffee
9. In which of the following forests of India, world’s first tiger census was carried out in 1932 ?
[A] Kaziranga Forests
[B] Sariska Forests
[C] Ranthambore Forests
[D] Palamu Forests
Show Answer
Correct Answer: D [Palamu Forests]
Notes:
In the year 1932, the world’s first tiger census was carried out in the forests of Palamu. The Palamu Tiger Reserve is situated in the state of Jharkhand. It has a total area of 1,129.93 sq km. The tiger reserve was set up in 1973.
10. Which of the following statements is incorrect about Jet Streams?
[A] The main jet streams are located near the altitude of the stratopause
[B] The path of the jet streams typically has a meandering shape
[C] Jet Streams blow from west to east and bring changes to weather
[D] Jet Streams can reach speed of up to 400 kph
Show Answer
Correct Answer: A [The main jet streams are located near the altitude of the stratopause]
Notes:
First statement is incorrect because the main jet streams are located near the altitude of the tropopause.
