Environment GK Quiz and Answers
Which is an example of endangered plant species of India?
(A) Aak
(B) Basil
(C) Neem
(D) Rohida
Correct Answer : D
Explanation :
Some endangered plant species found in India are the Ebony tree (Diospyros celibica), Bird`s foot (Lotus corniculatus), Assam catkin yew (Amentotaxus assamica), Malabar Lily (Clorophytum malabaricum) and Musli (Chlorophytum tuberosum).
_______ is the maximum number of links a food chain can have?
(A) 1-2
(B) 3-4
(C) 9-10
(D) 4-5
Correct Answer : D
Explanation :
So the answer to this question is that in the ego system, a food chain is limited to only 4 to 5 trophic levels, which is also due to the 10 pound percent law.
What does 'transcriptome' refer to?
(A) a class of enzymes used in genome editing
(B) Complete chain of mRNA molecules expressed by an organism
(C) Describe the mechanism of gene expression
(D) a mechanism of genetic mutations occurring in cells
Correct Answer : B
Explanation :
A transcriptome is the full range of messenger RNA, or mRNA, molecules expressed by an organism. The term "transcriptome" can also be used to describe the array of mRNA transcripts produced in a particular cell or tissue type.
What is the application of somatic cell nuclear transfer technology?
(A) Production of bio-oestrus
(B) Manufacture of bio-degradable plastics
(C) reproductive cloning of animals
(D) production of disease free organisms
Correct Answer : C
Explanation :
The main areas of application of SCNT are: Reproductive cloning, therapeutic cloning and basic research. A great application potential of SCNT based cloning is the production of genetically modified (transgenic) animals.
Which one animal group comes under the category of endangered species?
(A) Great Indian Sarang, Musk Deer, Red Panda and Asiatic Wild Ass
(B) Kashmiri antelope, chital, nilgai and great Indian sarong
(C) Snow Leopard, Anoop Deer, Rhesus Monkey and Crane
(D) Leopard Macaque, Nilgai and Hanuman Langar
Correct Answer : A
Explanation :
The species that are in danger of getting extinct are called endangered species. In India, the Lion Tailed Macaque, the forest owlet, the Bengal tiger, the Asiatic Lion, the Ganges river dolphin, Asiatic elephant and the Sangai are some of the endangered species.
The World Environment Day falls on
(A) 2nd December
(B) 16th September
(C) 5th June
(D) 11th July
Correct Answer : C
Explanation :
1. World Environment Day is celebrated every year on 5 June.
2. Its objective is to make mankind aware of the environment.
3. First held in 1973, it has been a platform to raise awareness on environmental issues such as marine pollution, overpopulation, global warming, sustainable development and wildlife crime. World Environment Day is a global platform for public outreach, with participation from over 143 countries annually.
World Environment Day is celebrated on -
(A) 5th February
(B) 15th June
(C) 5th February
(D) 5th June
Correct Answer : D
The theme of World Environment Day 2023 was?
(A) Beat Water pollution
(B) Beat Sound pollution
(C) Beat Air pollution
(D) Solution to plastic pollution
Correct Answer : D
Explanation :
World Environment Day is the biggest international day for the environment. Led by the United Nations Environment Program (UNEP), and held annually since 1973, it has become the largest global forum for environmental outreach. It is celebrated by millions of people across the world.
World Environment Day 2023 is hosted by Côte d'Ivoire and supported by the Netherlands and the theme will focus on solutions to plastic pollution under the #BeatPlasticPollution campaign. It's a reminder that people's action on plastic pollution matters. The steps governments and businesses are taking to tackle plastic pollution are a result of this action.
- Host: Côte d'Ivoire in partnership with the Netherlands
- Theme: Solution to plastic pollution
Soil erosion can be prevented?
(A) excessive grazing of animals
(B) by cutting of vegetation
(C) by afforestation
(D) increasing the population of birds
Correct Answer : C
Explanation :
Soil erosion is a serious environmental problem. Steps should be taken to curb this problem. Following are some ways to prevent soil erosion:
1. Plant trees on barren lands to prevent soil erosion.
2. Add mulch and rocks to trap plants and grass beneath to prevent soil erosion.
3. Mulch matting can be used to reduce erosion on slopes.
4. Place a series of fiber logs to prevent any water or soil from flowing away.
5. A wall at the base of a slope can help prevent soil erosion.
6. Every house should have proper drainage system so that water can flow into proper water collection systems.
7. Afforestation is the planting of trees on a large scale to check soil erosion.
What is the sex ratio of India as per the 2011 census?
(A) 940:1000
(B) 961:1000
(C) 920:1000
(D) 982:1000
Correct Answer : A
Explanation :
1. The number of females per 1000 males in the population is called sex ratio.
2. According to the 2011 census, the sex ratio of India is 943. That means there are 943 women for every 1000 men.