Previous year MCQs

Environment & Ecology UPPSC 2023 GS-I
Question

Example of Lotic ecosystem is

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Rivers

Detailed Solution:

The correct answer is “Rivers”.
Lotic ecosystem refers to ecosystems associated with flowing water. Rivers are a classic example of a lotic ecosystem, as they consist of continuously moving water.
In contrast, lentic ecosystems refer to still or standing water bodies like ponds, swamps, and marshy areas.

Similar Questions:

Given below are two statements, one is labelled as Assertion (A) and other as Reason (R) -

Assertion (A) - Population control is necessary to maintain the environment of the country.
Reason (R) - Due to the rapid increase in population, the environmental balance is maintained.

Select the correct answer using the code given below—
Code -
  1. A) Both (A) and (R) are true and (R) is correct explanation of (A)
  2. B) Both (A) and (R) are true but (R) is not correct explanation of (A)
  3. C) (A) is true but (R) is false
  4. D) (A)is false but (R )is true
Which of the following animals can live for the longest duration without drinking water?
  1. A) Giraffe
  2. B) Camel
  3. C) Kangaroo
  4. D) Kangaroo rat
Consider the following statements:

Assertion (A): LPG is a pollution free vehicular fuel.
Reason (R): Plying of CNG fuelled buses is recommended for metropolitan cities of India.

Select the correct answer using the code given below:
Code:
  1. A) Both A and R are true and R is the correct explanation of A
  2. B) Both A and R are true but R is not the correct explanation of A
  3. C) A is true but R is false
  4. D) A is false but R is true
Which one of the following place is the confluence of the river Alakhnanda and the Bhagirathi?
  1. A) Vishnu Prayag
  2. B) Karn Prayag
  3. C) Rudra Prayag
  4. D) Dev Prayag
Which of the following segments of population is not included in the scheme of inclusive developments?
  1. A) Marginal farmers
  2. B) Landless agricultural labours
  3. C) Scheduled Castes/ Scheduled Tribes
  4. D) People living in semi-urban areas.
Chandraprabha Wildlife Sanctuary is situated in which district of Uttar Pradesh?
  1. A) Sonbhadra
  2. B) Chandauli
  3. C) Baharaich
  4. D) Lakhimpur Khiri
Which of the following is not correctly matched?
  1. A) Iltutmish — Father of Razia
  2. B) Shah Turkan — Wife of lltutmish
  3. C) Hamida Banu Begum — Wife of Allaudin Khilji
  4. D) Gulbadan Begum — Daughter of Babur
Methane is emitted from which of the following?
  1. A) Paddy fields only
  2. B) Termitary only
  3. C) Both from (a) and (b)
  4. D) None of the above
Charak Samhita is divided into how many chapters and sections?
  1. A) 120 chapters and 8 sections
  2. B) 100 chapters and 5 sections
  3. C) 80 chapters and 7 sections
  4. D) 60 chapters and 8 sections
Non-conventional energy sources are those energy sources, that are -
  1. A) Non-renewable
  2. B) Produced from electricity
  3. C) Renewable
  4. D) Produced from heat
Which one of the following (Tributary - River) is not correctly matched?
  1. A) Manjra - Godavari
  2. B) Hemavathi - Kaveri
  3. C) Malaprabha - Krishna
  4. D) Pranhita - Mahanadi
Example of Lotic ecosystem is
  1. A) Swamps
  2. B) Rivers
  3. C) Ponds
  4. D) Marshy area