PYQPulse
HomeMocksPracticePYQsUpdatesDashboard
PYQPulse

Timing-accurate mock tests and PYQs for SSC, Banking and Railway exams — so the real paper feels like a revision.

Exams

  • SSC exams
  • Banking exams
  • Railway exams
  • All exams

Practice

  • Practice questions
  • Mock test series
  • Sectional tests
  • Year-wise PYQs
  • Performance analytics

Company

  • About us
  • Help Centre
  • Pricing
  • Sign in

Legal

  • Privacy Policy
  • Terms of Service

Contact

  • hello@testwala.co.in
  • Telegram
  • +91 62816 87760

Practice interface modeled on the official exam pattern — not the official examination. PYQPulse is not affiliated with the Staff Selection Commission, IBPS, SBI, RBI, NABARD, SEBI or Indian Railways.

© 2026 PYQPulse. All rights reserved.

Built for aspirants, by aspirants.

HomeMocksPracticeStats
  1. Home
  2. ›
  3. PYQs
  4. ›
  5. UPPSC PCS
  6. ›
  7. 2022
  8. ›
  9. Q126

UPPSC PCS 2022 · Question 126 of 150

Given below are two statements one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): Phytoplankton grow in abundance in the limnetic zone. Reason (R): Limnetic zone is open water zone. Select the correct answer from the code given below. Code:

General Knowledge

  1. ABoth (A) and (R) are true and (R) is the correct explanation of (A)Correct
  2. B(A) is true but (R) is false
  3. CBoth (A) and (R) are true but (R) is not the correct explanation of (A)
  4. D(A) is false but (R) is true

Answer: A. Both (A) and (R) are true and (R) is the correct explanation of (A)

Explanation

The limnetic zone is the open and well- lit area of a freestanding body of freshwater, such as a lake or pond. Phytoplankton populations are densest in the limnetic zone; it is the zone most heavily responsible for oxygen production within the aquatic ecosystem.

Source: edurev.in solved-paper compilation (OSWAAL 15-Years UPPSC Prelims Solved Paper)

← Q125View full paper (150 questions)Q127 →

Practice the full UPPSC PCS 2022 paper

Timed test with all 150 questions, just like the real exam.

Start test