OBJECTIVE FOR ECOSYSTEM
sanaMultiple Choice Questions (MCQs) The maximum percentage of energy changed into food is: (a) 10% (b) 20 (c) 30 (d) 5 Percentage of energy absorbed in atmosphere is: (a) 50 …
SUBJECTIVE AND SHORT QUESTIONS FOR ECOSYSTEM
MODEL SUBJECTIVE QUESTIONS: What is ecosystem? Give its components. Give physiognomic characteristics. Write note on ecological energetics. Write note food chain, food web and trophic levels. Write note on ecological…
Division Bacillariophyta (DIATOMS)
abidaOccurrence: Diatoms are aquatic. They are both marine and fresh water. They form brownish scum on the surface of mud and ponds. Diatoms are abundant during spring and autumn months.…
DEFINITIONS AND KEY POINTS FOR ECOSYSTEM
TERMS DEFINITIONS Ecosystem A community with its non-living environment is called ecosystem. Decomposers The microorganisms which decompose the bodies of dead animals and plants are called decomposes. Ecological energetic The…
HYDROLOGICAL CYCLE
Water is essential for all the life processes. About 80% of water is present in a living cell.- It covers about 73% of surface of the earth in the form…
TYPE: Vaucheria – Occurrence , Structure & Reproduction
Occurrence Majority of them are fresh water. They are also found on moist soil. They form dark green mats. Fig: Thallus of Vaucheria General structure Vegetative structure The thallus is…
Subjective questions Of ANGIOSPERMIC FAMILIES
sidraGive diagnostic characters, distribution and economic importance of family Ranunculaceae. Give diagnostic characters, distribution and economic importance of family Brassicaccae. Similar questions for all the families.
NITROGEN CYCLE
The process by which limited amount of nitrogen is circulated and re-circulated throughout the world of living organisms is known as the nitrogen cycle. The chief reservoir of nitrogen is…
Biogeochemical Cycles
The cyclic exchange of different chemical elements between the living and non-living component of the biosphere is called biogeochemical cycle. Bio means organisms and geo means earth. Movement of chemical…
Division Charophyta & Type Chafta (Occurrence , Structure and reproduction)
Occurrence: Its members are found in fresh water, stagnant ponds. They are attached to the bottom by rhizoids. They are found in warm and cool regions of temperate zone. Vegetative…