Environment, Ecology & Biodiversity MCQs
Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.
71. Chilika lake, Orissa was removed from the Montreux Record in which of the following year?
[A] 2000
[B] 2001
[C] 2002
[D] 2003
Show Answer
Correct Answer: C [2002]
Notes:
Due to siltation, which was choking the mouth of the Chilika lake, it was placed on the Montreux Record in 1993. After which the government took the rehabilitation efforts and it was removed from the Montreux Record in 2002.
72. In Gujarat mangroves Avicennia marine, Avicennia officinalis and Rhizophora mucronata are found mainly found in which of the following regions?
1. Gulf of Kachchh
2. Kori creek
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
In Gujarat mangroves Avicennia marine, Avicennia officinalis and Rhizophora mucronata are found mainly found in the following regions:
1. Gulf of Kachchh
2. Kori creek
73. Which of the following statements are correct?
1. The level of organic matter present in water is known as biological oxygen demand.
2. Greater BOD, lesser is the polluting potential.
Select the correct option from the codes given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: A [Only 1]
Notes:
The level of organic matter present in water is known as Biological Oxygen Demand. The greater the Biological Oxygen Demand, greater is the polluting potential.
74. Which of the following is called as a water body between the reef and the shore?
[A] Lake
[B] Estuary
[C] Lagoon
[D] Ox-bow lake
Show Answer
Correct Answer: C [Lagoon]
Notes:
Barrier reef is a coral reef close and running parallel to the shore but separated from it by a channel of deep water. The water body between the reef and the shore is termed as a lagoon.
75. Which of the following are circular or semi-circular reefs that arise from subsiding seafloor platforms?
[A] Fringing Reef
[B] Barrier Reef
[C] Atolls
[D] Patch Reef
Show Answer
Correct Answer: C [Atolls]
Notes:
An Atoll, sometimes called a coral atoll, is a ring-shaped coral reef. They rise from subsiding seafloor platforms as coral reef-building keeps ahead of subsidence. It is roughly circular and surrounds a large central lagoon.
76. The Ministry of Environment and Forests has partnered with which of the following in Biodiversity Finance Initiative?
[A] World Economic Forum
[B] UNDP
[C] WWF
[D] None of the above
Show Answer
Correct Answer: B [UNDP]
Notes:
The Ministry of Environment and Forests partnered with the United Nations Development Programme (UNDP) in the Biodiversity Finance Initiative (BIOFIN) that supports countries to enhance their financial management for biodiversity and ecosystems.
77. What is the IUCN status of African Wild Dog?
[A] Critically Endangered
[B] Endangered
[C] Threatened
[D] Data Deficient
Show Answer
Correct Answer: B [Endangered]
Notes:
The IUCN status of African Wild Dog is Endangered. Its IUCN status is “Lycaon pictus”. They are mostly found in the southern Africa and the southern part of East Africa. It is one of the world’s most endangered mammals.
78. What is the IUCN status of Blue Whale?
[A] Critically Endangered
[B] Endangered
[C] Threatened
[D] Near Threatened
Show Answer
Correct Answer: B [Endangered]
Notes:
The IUCN status of Blue Whale is Endangered. Its scientific name is “Balaenoptera musculus”. Blue Whale is the largest animal in the world which weighs close to 200 tons and is the loudest animal on Earth, with their calls reaching 188 decibels.
79. Which of the the following dolphins are smallest and rarest in the world?
[A] Hector’s Dolphin
[B] Gangetic Dolphin
[C] Stripped Dolphin
[D] Irrawaddy Dolphin
Show Answer
Correct Answer: A [Hector’s Dolphin]
Notes:
Hector’s Dolphin are smallest and rarest in the world. Their IUCN status is endangered. They live close to shore therefore are at the risk of getting caught up in gill and trawl nets, known as by-catch. Seabed mining, pollution and coastal developments also affect their survival.
80. What is the IUCN status of Niger Delta red colobus?
[A] Endangered
[B] Critically Endangered
[C] Vulnerable
[D] Threatened
Show Answer
Correct Answer: B [Critically Endangered ]
Notes:
The IUCN status of Niger Delta red colobus is critically endangered. It is endemic to the marsh forests in the central part of the Niger Delta of Nigeria in Africa. There scientific name is Piliocolobus epieni.
Advertisement
