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CTET GK Questions 2026

General knowledge is not a named section of CTET, but part of it sits inside two subjects. In Paper I, Environmental Studies has 30 questions: 15 on content and 15 on pedagogical issues. The content themes in the CTET September 2026 bulletin are Family and Friends (relationships, work and play, animals and plants), Food, Shelter, Water, Travel, and Things We Make and Do. In Paper II, Social Studies/Social Science has 60 questions: 40 on content from History, Geography and Social and Political Life, and 20 on pedagogy. Science in Paper II has 20 content questions on food, materials, the world of the living, how things work, natural phenomena and natural resources. The bulletin bases all of these on the NCERT syllabus, with difficulty up to the Secondary stage in Paper I and the Senior Secondary stage in Paper II. This page holds GK24's topic-wise GK notes marked for CTET: geography, Indian history, Indian polity, general science, and environment and ecology, in English and Hindi. Use them as guidance to revise facts after reading the NCERT chapter, not in place of it. GK24 does not cover Child Development and Pedagogy, the languages, Mathematics or the pedagogy questions, which make up most of each paper.

CTET GK Questions with Answers

Q401.Indian States & UTsMedium

Bodo, Dogri, Maithili and Santhali were added to the Eighth Schedule by which amendment?

  1. A.Twenty-first Amendment
  2. B.Seventy-first Amendment
  3. C.Ninety-second Amendment
  4. D.One Hundred and First Amendment
Show answer
Correct answer: C. Ninety-second Amendment

The correct answer is C, the Ninety-second Amendment, passed in 2003, which took the Eighth Schedule from eighteen languages to twenty-two by adding Bodo of Assam, Dogri of the Jammu region, Maithili of Bihar and Santhali, the language of the Santhal people spread over Jharkhand, West Bengal and Odisha.

Q403.Indian States & UTsMedium

Under which Article may the legislature of a state adopt one or more languages in use in the state as its official language?

  1. A.Article 344
  2. B.Article 345
  3. C.Article 347
  4. D.Article 350
Show answer
Correct answer: B. Article 345

It allows the legislature of a state to adopt by law any one or more of the languages in use in that state, or Hindi, as the language or languages to be used for all or any of the official purposes of that state, and until it does so English…

Q404.Indian States & UTsEasy

Which Article of the Constitution declares Hindi in the Devanagari script to be the official language of the Union?

  1. A.Article 341
  2. B.Article 343
  3. C.Article 345
  4. D.Article 351
Show answer
Correct answer: B. Article 343

It says that the official language of the Union shall be Hindi in the Devanagari script and that the international form of Indian numerals shall be used, with English to continue for fifteen years from the commencement of the Constitution; the Official Languages Act, 1963 then allowed English to continue…

Q406.General ScienceEasy

Why is colostrum, the first milk secreted after childbirth, important for the newborn?

  1. A.It is rich in antibodies and gives passive immunity
  2. B.It is rich in iron and prevents anaemia
  3. C.It contains vitamin D for bone growth
  4. D.It is rich in fat and raises body weight quickly
Show answer
Correct answer: A. It is rich in antibodies and gives passive immunity

Colostrum is the thin yellowish milk secreted in the first days after delivery and is rich in antibodies, especially immunoglobulin A, which pass to the baby and protect it from infection at a stage when its own immune system is immature; this protection is called passive immunity.

Q407.General ScienceHard

The Medical Termination of Pregnancy Act was amended in which year to raise the upper limit to twenty-four weeks for certain categories of women?

  1. A.1994
  2. B.2003
  3. C.2017
  4. D.2021
Show answer
Correct answer: D. 2021

The amendment of 2021 kept termination up to twenty weeks on the opinion of one registered medical practitioner, allowed it between twenty and twenty-four weeks for certain categories of women such as survivors of rape or incest on the opinion of two practitioners, and removed the upper limit where a…

Q408.General ScienceHard

Saheli, the non-steroidal oral contraceptive pill, was developed at which Indian institute?

  1. A.Central Drug Research Institute, Lucknow
  2. B.All India Institute of Medical Sciences, New Delhi
  3. C.Indian Institute of Science, Bengaluru
  4. D.National Institute of Nutrition, Hyderabad
Show answer
Correct answer: A. Central Drug Research Institute, Lucknow

Saheli contains centchroman and is a non-steroidal pill taken once a week after an initial daily course, which makes it different from the combined hormonal pills that have to be taken daily and carry hormonal side effects.

Q409.General ScienceMedium

In a normal 28 day menstrual cycle, ovulation occurs around which day and because of which hormone?

  1. A.Day 5, because of progesterone
  2. B.Day 14, because of a surge of luteinising hormone
  3. C.Day 21, because of oxytocin
  4. D.Day 28, because of prolactin
Show answer
Correct answer: B. Day 14, because of a surge of luteinising hormone

Rising oestrogen from the ripening follicle triggers a sharp rise in LH from the anterior pituitary in the middle of the cycle, and this surge bursts the mature Graafian follicle and releases the ovum.

Q410.General ScienceEasy

Which hormone is secreted by the corpus luteum?

  1. A.Progesterone
  2. B.Oxytocin
  3. C.Follicle stimulating hormone
  4. D.Thyroxine
Show answer
Correct answer: A. Progesterone

After ovulation the ruptured Graafian follicle turns into the yellow body called the corpus luteum, which secretes large amounts of progesterone to thicken and maintain the endometrium for implantation.

Q411.General ScienceEasy

Which hormone is detected to confirm pregnancy in a urine test?

  1. A.Oestrogen
  2. B.Progesterone
  3. C.Human chorionic gonadotropin
  4. D.Prolactin
Show answer
Correct answer: C. Human chorionic gonadotropin

It is secreted by the trophoblast of the implanted blastocyst and then by the placenta, appears in the blood and urine within a few weeks of conception, and is unique to pregnancy, so test kits use antibodies against it.

Q412.General ScienceMedium

The acrosome present in the head of a sperm contains

  1. A.Mitochondria for energy
  2. B.Enzymes that help it enter the ovum
  3. C.The genetic material of the sperm
  4. D.A reserve of glucose
Show answer
Correct answer: B. Enzymes that help it enter the ovum

The acrosome is a cap-like structure over the sperm nucleus filled with enzymes that digest the layers around the egg so that one sperm can fuse with it.

Q413.General ScienceMedium

What is the main function of the Sertoli cells in the testis?

  1. A.To secrete testosterone
  2. B.To nourish the developing sperms
  3. C.To store mature sperms
  4. D.To produce the fluid of semen
Show answer
Correct answer: B. To nourish the developing sperms

Sertoli cells line the seminiferous tubules and provide nutrition and support to the germ cells as they divide and change into sperms, which is why they are called nurse cells; they are controlled mainly by follicle stimulating hormone.

Q414.General ScienceMedium

Testosterone in the human male is secreted by which cells?

  1. A.Sertoli cells
  2. B.Leydig or interstitial cells
  3. C.Cells of the prostate gland
  4. D.Cells of the epididymis
Show answer
Correct answer: B. Leydig or interstitial cells

The correct answer is B, the Leydig or interstitial cells, which lie in the spaces between the seminiferous tubules of the testis and secrete androgens, chiefly testosterone, under the influence of luteinising hormone from the anterior pituitary.

Q417.Indian HistoryHard

The Ad Dharm movement, which asked its followers to register themselves as a separate religious community, was founded in Punjab by whom?

  1. A.Mangoo Ram
  2. B.Guruchand Thakur
  3. C.Guru Ghasidas
  4. D.Ayyankali
Show answer
Correct answer: A. Mangoo Ram

After years of work in the United States, Mangoo Ram returned to Punjab and founded the Ad Dharm movement in 1926, arguing that the so-called untouchable castes were the original inhabitants of the land and formed a religion of their own; the census of 1931 recorded lakhs of people as…

Q419.Indian HistoryMedium

Who started the Self-Respect Movement in 1925 in the Madras Presidency?

  1. A.C. Rajagopalachari
  2. B.E. V. Ramasamy Periyar
  3. C.T. M. Nair
  4. D.M. C. Rajah
Show answer
Correct answer: B. E. V. Ramasamy Periyar

He left the Congress in 1925 and launched the Self-Respect Movement, which rejected priestly ritual, conducted marriages without Brahmin priests and without religious ceremony, campaigned for widow remarriage and for women rights, and later turned into the Dravidar Kazhagam in 1944.