Advertisements
Advertisements
प्रश्न
Strong, sharp spines that get attached to animal’s feet are found in the fruits of
विकल्प
Argemone
Ecballium
Heritier
Crossandra
Advertisements
उत्तर
Argemone
संबंधित प्रश्न
Read the given statements and select the correct option.
Statement A: Cattle do not graze on weeds of Calotropis.
Statement B: Calotropis have thorns and spines, as a defense against herbivores.
In soil water available for plants is
The plant of this group are adapted to live partly in water and partly above substratum and free from water
Ophrys an orchid resembling the female of an insect so as to able to get pollinated is due to phenomenon of
A free-living nitrogen-fixing cyanobacterium which can also form a symbiotic association with the water fern Azolla
In a fresh water environment like pond, rooted autotrophs are
Sticky glands of Boerhaavia and Cleome support
Why are some organisms called as eurythermals and some others as stenohaline?
Soil formation can be initiated by biological organisms. Explain how?
Sandy soil is not suitable for cultivation. Explain why?
Describe the mutual relationship between the fig and wasp and comment on the phenomenon that operates in this relationship.
What is thermal stratification? Mention their types.
What is myrmecophily?
Explain Raunkiaer classification in the world’s vegetation based on the temperature.
Identify the A, B, C, and D in the given table
| Interaction | Effects on species X | Effects on species Y |
| Mutualism | A | (+) |
| B | (+) | (-) |
| Competition | (-) | C |
| D | (-) | 0 |
What is the soil profile? Explain the characters of different soil horizons.
