Environment & Biodiversity Current Affairs MCQs
1. Sea Lamprey, which was seen in the news, belongs to which species?
[A] Turtle
[B] Fish
[C] Snake
[D] Spider
Show Answer
Correct Answer: B [Fish]
Notes:
Sea Lamprey is a rare species of fish that is known to extract blood of its prey. It was recently spotted on the Dutch island of Texel. It was last sighted on the island in 2017.
The sea lamprey is also known as ‘vampire fish’ due to its nature of sucking blood from its host like a parasite.
2. Hexacentrus ashoka, which was seen in the news, belongs to which species?
[A] Spider
[B] Bush Cricket
[C] Turtle
[D] Snake
Show Answer
Correct Answer: B [Bush Cricket]
Notes:
Three new species of bush cricket was found recently. Two of these species (Hexacentrus tiddae and Hexacentrus ashoka) were found in Haryana. In the local dialect of Haryana, bush crickets are referred to as tiddaes.
The third species found in Meghalaya was named Hexacentrus khasiensis — after the Khasi hills where it was discovered.
3. Izu-Ogasawara Trench is located in which ocean?
[A] Atlantic Ocean
[B] Pacific Ocean
[C] Arctic Ocean
[D] Antarctic Ocean
Show Answer
Correct Answer: B [Pacific Ocean]
Notes:
The Izu–Ogasawara Trench is an oceanic trench in the western Pacific Ocean. Recently, scientists have set a record for the deepest fish ever caught on camera and the deepest catch ever made.
A juvenile snail fish was filmed recently swimming at 8,336 m in the Izu-Ogasawara Trench.
4. ‘Litoria gracilis’, which was recently discovered in Papua New Guinea, belongs to which species?
[A] Frog
[B] Snake
[C] Turtle
[D] Moth
Show Answer
Correct Answer: A [Frog]
Notes:
Litoria gracilis is one of the five new species of Australian treefrogs found in Papua New Guinea. The other four species are Litoria daraiensis, Litoria haematogaster, Litoria lisae and Litoria naispela.
While tree frogs typically lay their eggs directly into water, the newly described species of the genus Litoria might all use structures like trees and rockfaces to deposit their offspring.
5. What is ‘Cycas pectinate’ that was seen in the news recently?
[A] Plant
[B] Vaccine
[C] Gecko
[D] Spider
Show Answer
Correct Answer: A [Plant]
Notes:
Cycas pectinate is a plant species of Genus Cycas which is the found in the north-eastern part of India, Nepal, Bhutan, South China etc. It is the only ‘Cycas’ species found in Bhutan.
It usually grows at an elevation of 300 m to 1200 m and in difficult terrains. A new study has found that this vulnerable species is threatened in the Himalayan country due to habitat loss and its overcollection as an ornamental plant.
6. Which institution launched the ‘Coalition of Coastal Cities to Combat Marine Litter’?
[A] NITI Aayog
[B] Centre for Science and Environment
[C] UNESCO
[D] UNICEF
Show Answer
Correct Answer: B [Centre for Science and Environment]
Notes:
The Coalition of Coastal Cities to Combat Marine Litter was launched recently by Delhi-based non-profit Centre for Science and Environment (CSE).
It is a coalition of coastal cities that will combat marine litter pollution across India. Of the 460 million tonnes (MT) of global plastic production, nearly 353 MT comes back as plastic waste; 8 MT (2.26 per cent) of which is leaked into the marine ecosystem.
7. Which species has been proposed as a model organism for cephalopod research?
[A] Jelly Fish
[B] Turtle
[C] Octopus
[D] Spider
Show Answer
Correct Answer: C [Octopus]
Notes:
Octopus chierchiae, also known as the lesser Pacific striped octopus, is a unique octopus species that is being proposed as a model organism for cephalopod research due to its ability to lay multiple egg clutches.
A new study published in PLOS One has revealed that the Pygmy zebra octopus has a unique and permanent stripe pattern that can help experts and non-experts monitor them in their habitat.
8. ‘Piarosoma arunachalensis’, which was recently discovered, belongs to which species?
[A] Moth
[B] Spider
[C] Turtle
[D] Snake
Show Answer
Correct Answer: A [Moth]
Notes:
Piarosoma arunachalensis is a new species of moth found at the Tale Wildlife Sanctuary in Arunachal Pradesh.
This discovery records the first-time spotting of a species belonging to the Piarosoma genus in India and it is the 12th species across the world.
9. Which country has recorded an increase in cases of ‘Klebsiella pneumoniae bacteria’?
[A] India
[B] China
[C] USA
[D] North Korea
Show Answer
Correct Answer: C [USA]
Notes:
Klebsiella pneumoniae is a gram-negative, lactose-fermenting bacterium capable of causing destruction to the human and animal lungs.
There has been an increase in the number of cases of individuals infected with the Klebsiella pneumoniae in Seattle, US.
10. What is a ‘Comb Jelly’, which was seen in the news recently?
[A] Semi conductor Chip
[B] Malware
[C] Marine Organism
[D] Cryptocurrency
Show Answer
Correct Answer: C [Marine Organism]
Notes:
Comb jellies, also known as ctenophores, are marine organisms known for the groups of cilia they use for swimming.
A new study revealed that the nerve-net neurons of the comb jellies are not connected by synapses but by a single plasma membrane.
The above questions are part of Daily Current Affairs 20 MCQs Series in GKToday's Academy Android Application. This series can be subscribed in the app only for Rs. 750/- for entire year.
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