Ecology and Environment
NIOS · Class 12 · English
Most important questions from Ecology and Environment for NIOS Class 12 English board exam 2026. MCQs, short answer, and long answer questions with marks.
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Sample Questions
Which of the following is NOT one of the five Panchamahabhuta elements?
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Sound
Step 1: According to Section 5.2, the five Panchamahabhuta elements are Earth, Water, Fire, Air, and Ether (Akash). Step 2: Earth, Water, and Ether (Akash) are all part of this list, so they are incorrect answers for this question. Step 3: Sound is NOT listed as one of the five fundamental elements in Vedic cosmology. Step 4: Therefore, 'Sound' is the correct answer here, as it does not belong to the Panchamahabhuta.
In the Rig Veda, plants are described as:
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Divine mothers
Step 1: Section 5.2 of the chapter discusses the Rig Veda's view of plants. Step 2: The text clearly states, 'Plants are personified as divine mothers.' Step 3: The translated verse from Rig Veda 10.97.4 also addresses plants as 'Mothers' and 'Goddesses'. Step 4: The seers of the Rigveda also say, 'Plant! Thus I hail thee, the Divine Mother of mankind.' Step 5: Therefore, 'Divine mothers' is the correct answer. Other options like divine fathers, sacred rivers, or celestial guardians are not used to describe plants in this context.
What is the name of the hymn in the Rig Veda that is entirely dedicated to rivers?
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Nadistuti Sukta
Step 1: Section 5.2 of the chapter discusses the importance of rivers in Vedic texts. Step 2: The text specifically mentions: 'The Rig Veda dedicates an entire hymn to the rivers. It is called the Nadistuti Sukta.' Step 3: 'Nadi' means river and 'stuti' means praise or hymn in Sanskrit, making this name meaningful. Step 4: The Prithvi Sukta is a hymn to Mother Earth found in the Atharva Veda. The Shantipath is the peace prayer from the Yajur Veda. 'Agni Sukta' is not a hymn mentioned in the chapter. Therefore, 'Nadistuti Sukta' is correct.
Which deity in the Rig Veda is described as the 'supreme deity' and the 'Fire of Life'?
Show answer
Agni
Step 1: Section 5.2 discusses the role of Agni in Vedic literature. Step 2: The text states, 'Agni is the supreme deity in the Rigveda.' Step 3: It further says, 'The divine Principle that resides within the body is Agni or Fire of Life.' Step 4: The chapter also mentions that the first verse of Rig Veda 1.1.1 glorifies Agni as 'the high priest of the sacrifice'. Step 5: Indra, Varuna, and Soma are other important deities mentioned in the chapter, but Agni is specifically called the supreme deity and Fire of Life.
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