SOF IEO for Class 1

IEO Class 1 at a glance

Conducted by

Science Olympiad Foundation

Questions for Class 1

35

Duration

60 min

Total marks

40

Fee

₹150-200

Exam window

Sep-Nov (L1); Feb (L2)

Levels

2 (Level 2 for Class 3-12)

Classes eligible

1-12

Level 1 is held in Sep-Nov and Level 2 in Feb. Each school picks its exam day inside the window; the date for your child comes from the school. Confirm on sofworld.org.

Exam pattern for Class 1

35 questions for 40 marks, 60 minutes, all multiple choice. No negative marking.

Ties are broken by section, in this order: Achievers > Word/Structure > Reading > Spoken/Written (M4,M1,M2,M3).

Try 8 real Class 1 questions

Straight from the PrepMojo question bank, written to the pattern of the SOF papers. Have a go, then open the answer.

1. Question 1 · English

   Yesterday, Ravi ___ to the park.

   1. A.Walks
   2. B.Walking
   3. C.Walked
   4. D.Walk
   Show answer

   Answer: C. Walked

   We say: Yesterday, Ravi walked to the park. 'Yesterday' tells us it already happened, so walk becomes walked.

2. Question 2 · English

   Read the sentence: The big dog barks loudly. Which word tells how the action is done?

   1. A.Big
   2. B.Dog
   3. C.Barks
   4. D.Loudly
   Show answer

   Answer: D. Loudly

   'Loudly' tells how the action is done. 'Barks' is often picked, but 'barks' is the action itself, not how it is done.

3. Question 3 · English

   Change this sentence so that every naming word in it is MORE than one: "The cook washes a dish."

   1. A.The cooks wash dishes.
   2. B.The cook washes dishes.
   3. C.The cooks wash a dish.
   4. D.The cooks washes dishes.
   Show answer

   Answer: A. The cooks wash dishes.

   Every part has to change together: the cook → the cooks, washes → wash, and a dish → dishes.

4. Question 4 · English

   Which word means the same as Smile?

   1. A.Grin
   2. B.Happy
   3. C.Cry
   4. D.Laugh
   Show answer

   Answer: A. Grin

   Grin means the same as Smile. Laugh is often guessed instead, because laughing makes a sound, smiling is quiet.

5. Question 5 · English

   Fill in the blank: Advait ___ a new bicycle.

   1. A.have
   2. B.has
   3. C.is
   4. D.are
   Show answer

   Answer: B. has

   Look at who owns the thing. One person takes has. I, you, we, they and two names joined by and take have. Advait is one person, so the word is has.

6. Question 6 · English

   Read the sentence: The morning sun shines brightly. Which word tells how the action is done?

   1. A.Sun
   2. B.Brightly
   3. C.Morning
   4. D.Shines
   Show answer

   Answer: B. Brightly

   'Brightly' tells how the action is done. 'Shines' is often picked, but 'shines' is the action itself, not how it is done.

7. Question 7 · English

   Which sentence has capital letters in the right places?

   1. A.The Dog ran after Diya.
   2. B.the dog ran after Diya.
   3. C.The dog ran after Diya.
   4. D.The dog ran after diya.
   Show answer

   Answer: C. The dog ran after Diya.

   Check each rule in turn: the first word and a person's name always begin with a capital letter. Every other word keeps a small letter. Each wrong sentence breaks just one of these rules, so check every word.

8. Question 8 · English

   Which word means the opposite of Difficult?

   1. A.Dangerous
   2. B.Easy
   3. C.Careful
   4. D.Boring
   Show answer

   Answer: B. Easy

   Easy means the opposite of Difficult. Careful is often guessed instead, because 'careful' describes caution, a different quality from how hard a task is.

SOF IEO Class 1 syllabus

As published by SOF for Class 1: 3 sections, 26 topics. Reproduced as printed, so what you read here is what the paper is set from.

Compiled from sofolympiadtrainer.com · source. Always confirm against the official site before an exam.

Questions parents ask about IEO Class 1

What is the SOF IEO syllabus for Class 1?

The Class 1 paper has 3 sections: Achievers, Achievers Section, All Sections Combined. Topics include Jumbled Letters, Words : Their Meanings and Opposites, Identify the Word From the Picture, Making a Word, Word Power, Feminine and Masculine, One and Many, Word Pairs, Odd One Out, Animals : Their Babies. The full list of 26 topics, as SOF publishes it, is on this page.

How many questions are in the Class 1 IEO paper?

35 questions for 40 marks, in 60 minutes. Word & Structure Knowledge: 15 questions of 1 mark each; Reading: 10 questions of 1 mark each; Spoken & Written Expression: 5 questions of 1 mark each; Achievers Section: 5 questions of 2 marks each. There is no negative marking.

When is the SOF IEO exam for Class 1 in 2026-27?

Level 1 is held in Sep-Nov and Level 2 in Feb. Each school picks its own exam day inside that window and tells its students, so the date for your child comes from the school. Confirm it on the official SOF site before the exam.

Where can a Class 1 child practise IEO questions for free?

On PrepMojo. Every child gets 10 practice questions a day free, forever, with no card needed, and every answer comes with an explanation. It works in the app on iPhone and Android and in any web browser. Till 30 Nov 2026, every child has PrepMojo Plus at no cost as part of our Navratri and Diwali Offer.