Daily Current Affairs : 16-February-2024
Cuscuta dodder is an invasive weed that poses a critical threat to the Chengalpet forests and Vedanthangal Bird Sanctuary in Chennai, Tamil Nadu. Originally from North America, this parasitic vine is unexpectedly spreading and causing vast harm to the local atmosphere.
About Cuscuta Dodder
Cuscuta dodder is a unique plant because it does not have roots. Instead, it wraps around timber and other flowers, strangling them and in the long run leading to their dying. Here are a few key factors about this invasive weed:
- Parasitic Nature: Cuscuta dodder is predicated on different vegetation for survival, soaking up nutrients immediately from them.
- Rapid Spread: Despite efforts through the wooded area branch to cast off it manually, the weed is spreading quickly across the area.
- Long-Lived Seeds: The seeds of Cuscuta dodder can live to tell the tale for as much as 50 years. This durability makes it difficult to control its spread.
- Easy Germination: Unlike many different plants, Cuscuta seeds do now not need a particular condition to germinate, allowing them to thrive in various environments.
About Vedanthangal Bird Sanctuary
Vedanthangal Bird Sanctuary is the oldest water hen sanctuary in India, mounted in 1798 by means of the British authorities. It is a crucial habitat for several migratory birds. Some first-rate species include:
- Pintail
- Garganey
- Grey wagtail
- Blue-winged teal
- Common sandpiper
This sanctuary performs a vital role in keeping biodiversity and imparting a secure haven for these birds during their migratory trips.
Important Points:
Cuscuta Dodder Overview
- Invasive weed from North America.
- Threatens Chengalpet forests and Vedanthangal Bird Sanctuary in Chennai, Tamil Nadu.
- Parasitic vine that lacks roots and wraps around trees and plants.
Key Characteristics of Cuscuta Dodder
- Parasitic Nature: Absorbs nutrients directly from host plants.
- Rapid Spread: Despite manual removal efforts, it continues to spread quickly.
- Long-Lived Seeds: Seeds can survive for up to 50 years, complicating control efforts.
- Easy Germination: Seeds do not require specific conditions to germinate, allowing them to thrive in various environments.
Vedanthangal Bird Sanctuary
- Oldest water bird sanctuary in India, established in 1798.
- Important habitat for migratory birds.
- Notable species include pintail, garganey, grey wagtail, blue-winged teal, and common sandpiper.
- Plays a crucial role in biodiversity and provides safe refuge for migratory birds.
Why In News
An invasive weed, Cuscuta dodder, originally from North America, is threatening the Chengalpet forests and Vedanthangal Bird Sanctuary in Chennai, disrupting local ecosystems and endangering the diverse wildlife that relies on these habitats for survival.
MCQs about Cuscuta Dodder
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What is Cuscuta dodder primarily classified as?
A. A flowering plant
B. A root parasite
C. An invasive weed
D. A water plant
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Why is Cuscuta dodder particularly difficult to control?
A. It grows too slowly
B. It has a short lifespan
C. Its seeds can survive for up to 50 years
D. It requires special conditions to germinate
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Which of the following is NOT a characteristic of Cuscuta dodder?
A. It lacks roots
B. It wraps around other plants
C. It produces flowers that attract pollinators
D. It absorbs nutrients from host plants
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What role does Vedanthangal Bird Sanctuary play in the ecosystem?
A. It is a breeding ground for invasive species.
B. It provides habitat for migratory birds.
C. It is primarily used for agricultural purposes.
D. It is a tourist destination without ecological importance.
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