Hydrogen Train, Vikram-1 Rocket and E20 Ethanol: Science MCQs July 2026

Current affairs questions appear in the General Knowledge section of the AISSEE (Sainik School) Class 6 paper and in the GK part of the RMS CET. These 10 original MCQs are built from the important national and international news of July 2026 — defence, science, environment, culture and awards — and are written in the simple style used for school entrance exams.

Quick facts: AISSEE 2027 will be held on Sunday, 31 January 2027. There is no negative marking, so attempt every question. Online applications are open until 2 December 2026 on exams.nta.nic.in/sainik-school-society.

Practice Questions

Q1. India's first hydrogen train runs on the Jind–Sonipat section in which state?

(A) Punjab
(B) Uttar Pradesh
(C) Haryana
(D) Rajasthan

Q2. A hydrogen fuel cell train gives out only ________ from its exhaust.

(A) carbon dioxide
(B) water vapour and heat
(C) smoke
(D) sulphur dioxide

Q3. India achieved its target of blending what percentage of ethanol in petrol in 2025?

(A) 5%
(B) 10%
(C) 15%
(D) 20%

Q4. Ethanol used for blending in petrol is mainly produced from ________.

(A) sugarcane and grains
(B) coal
(C) crude oil
(D) sea water

Q5. Vikram-1, India's first privately developed orbital rocket, is built by which company?

(A) Agnikul Cosmos
(B) Pixxel
(C) HAL
(D) Skyroot Aerospace

Q6. Borjuli Wetland, notified as a Biodiversity Heritage Site, is home to the wild ancestor of which crop?

(A) Wheat
(B) Rice
(C) Maize
(D) Cotton

Q7. Seabuckthorn from Spiti, which got a GI tag, is called the "Golden Bush of the ________".

(A) Himalayas
(B) Thar
(C) Sundarbans
(D) Nilgiris

Q8. The pangolin mainly feeds on ________.

(A) fish
(B) grass
(C) ants and termites
(D) fruits

Q9. The PaleoIndia portal is a national digital record of ________.

(A) fossils
(B) temples
(C) rivers
(D) dams

Q10. One light-year is the ________.

(A) time light takes to reach the Moon
(B) distance light travels in one year
(C) speed of a rocket
(D) age of the Sun

Answer Key with Explanations

  1. (C) Haryana — The hydrogen train has a refuelling facility at Jind, Haryana.

  2. (B) water vapour and heat — Hydrogen combines with oxygen in the fuel cell to make electricity and water.

  3. (D) 20% — The E20 target was achieved in 2025, five years ahead of schedule.

  4. (A) sugarcane and grains — Ethanol is a biofuel made by fermenting sugarcane juice, molasses or grains.

  5. (D) Skyroot Aerospace — Skyroot Aerospace of Hyderabad built the four-stage Vikram-1.

  6. (B) Rice — It protects Oryza rufipogon, wild ancestor of cultivated rice; Borjuli is in Sonitpur, Assam.

  7. (A) Himalayas — Its bright orange berries are rich in vitamins and are used in juices and herbal products.

  8. (C) ants and termites — Pangolins are scaly anteaters; their scales are made of keratin.

  9. (A) fossils — It documents more than 5,000 fossil specimens from all states and UTs.

  10. (B) distance light travels in one year — One light-year is about 9.46 trillion km.

How did you score?

9–10 correct: excellent — move on to a full-length mock test. 6–8: good — revise the explanations of the questions you missed. Below 6: study this topic again from your NCERT book and retry these questions after two days.

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Want a full-length mock test with an All-India rank? Enunciate Academy runs online coaching for Sainik School, RMS, Navodaya and RIMC entrance exams for Class 6 and 9 students across Andhra Pradesh and Telangana. Message us on WhatsApp (94924 44498) to get a free mock test, or see the Spark batch details.


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