UPSC CMS Mock Test 2026 – Free Online Test Series

This page lists all 5 free UPSC CMS mock tests on Sarkari Results Now. A typical test has about 20 questions with a 20-minute timer. Tests follow the latest UPSC CMS exam pattern and are free to attempt. Attempt them in order, review the answers after each test and track your progress to find weak topics before the real exam.

All UPSC CMS Mock Tests

Sample UPSC CMS Questions

  1. The first stable product of CO₂ fixation in C₃ plants is:

    1. glucose
    2. 3-phosphoglyceric acid (3-PGA)
    3. oxaloacetic acid
    4. pyruvic acid
  2. In DNA, adenine pairs with thymine through how many hydrogen bonds?

    1. 4
    2. 1
    3. 3
    4. 2
  3. Crossing over occurs during which stage of meiosis I?

    1. Diakinesis
    2. Zygotene
    3. Leptotene
    4. Pachytene
  4. The enzyme that fixes CO₂ in the Calvin cycle is:

    1. catalase
    2. amylase
    3. PEP carboxylase
    4. RuBisCO

Attempt the full test above to see the correct answers.