hydra
/ˈhaɪdrə/noun
उच्चारण हाइड्र
हाइड्रा (जलीय जीव)
Advanced wordPYP · asked 1 time
Asked in previous papers
as one-word substitution
- 1
[C]
a very small freshwater animal with a tube-shaped body and tentacles
हाइड्रा (जलीय जीव)
- Hydra reproduces by budding.
- Under the microscope, we saw a tiny hydra attached to a leaf.
- The hydra can grow a new body from a small cut piece.
+ 2 more examples
- Students used a microscope to study the hydra in pond water.
- A hydra catches tiny prey with the tentacles around its mouth.
- 2
[C]
a thing that is very difficult to deal with, because it has many parts or keeps coming back
अनेक सिरों वाली समस्या
- Corruption is a many-headed hydra.
- Unemployment has become a hydra that every government struggles to tackle.
- Poverty remains a hydra that new policies find hard to defeat.
+ 2 more examples
- Every time one fault was fixed, another appeared, like a hydra growing new heads.
- The minister called drug abuse a hydra that needs the effort of the whole society.
“Collocations, idioms and sayings
A many-headed hydra (a problem that keeps growing).
Collocation 'a many-headed hydra' (बढ़ती जाने वाली समस्या)।
✓In the exam
General knowledge
Science GK, asked often: hydra is a small freshwater animal that reproduces asexually by budding and can regrow lost parts (regeneration); yeast also reproduces by budding; amoeba reproduces by binary fission.
विज्ञान GK में अक्सर पूछा जाता है: हाइड्रा छोटा मीठे पानी का जीव है जो मुकुलन (budding) से अलैंगिक प्रजनन करता है और खोए भाग फिर उगा सकता है (पुनर्जनन); यीस्ट भी मुकुलन से प्रजनन करता है; अमीबा द्विविभाजन (binary fission) से।
Mythology: in Greek myths, the Hydra was a monster with many heads; when one head was cut off, two grew back.
पौराणिक कथाओं में यूनानी मिथकों में Hydra अनेक सिरों वाला राक्षस था; एक सिर काटने पर दो उग आते थे।