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प्रश्न
In a fresh water environment like pond, rooted autotrophs are
पर्याय
Nymphaea and typha
Ceratophyllum and Utricularia
Wolffia and pistia
Azolla and lemna
उत्तर
Nymphaea and typha
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.
The plant of this group are adapted to live partly in water and partly above substratum and free from water
A free-living nitrogen-fixing cyanobacterium which can also form a symbiotic association with the water fern Azolla
Sticky glands of Boerhaavia and Cleome support
The organic horizon is generally absent from agricultural soils because tilling, e.g., plowing, buries organic matter. Why is an organic horizon generally absent in desert soils?
Soil formation can be initiated by biological organisms. Explain how?
Sandy soil is not suitable for cultivation. Explain why?
What is thermal stratification? Mention their types.
What is myrmecophily?
What is a seed ball?
What is co-evolution?
Explain Raunkiaer classification in the world’s vegetation based on the temperature.
Explain different types of hydrophytes with examples.
Describe the dispersal of fruit and seeds by animals.
Read the following statements and fill up the blanks with the correct option.
- Total soil water content in soil is called ______
- Soil water not available to plants is called ______
- Soil water available to plants is called ______
What is the soil profile? Explain the characters of different soil horizons.
