Biology questions with answers

2,759 multiple-choice questions. Open any question for its answer and explanation.

Questions asked in State PSC and UPSC prelims, by topic. Each topic also has notes to read.

Read the notes: Endocrine System →

1. A man suddenly encounters a tiger in the jungle, and his heartbeat goes up, blood pressure increases and he gets nervous. Which hormone is released more at this point in his body?Asked in APSC CCE Prelims Exam 2020
2. An important mechanism of salt regulation in human body is performed by adrenal glands which are locatedAsked in MPSC CS Prelims 2016
3. Which one of the following hormones increases the heartbeat in mammals?Asked in UPSC NDA 2 2022
4. One of the following terms includes rest of the lot. Identify that single term: Glucocorticoids, Adrenaline, Mineralocorticoids, Suprarenal gland.Asked in WBPSC CS Prelims 2023
5. With reference to the human body consider the following statements: 1. The production of somatotropin goes up when a person exercise 2. Men’s testes produce progesterone 3. Women’s adrenal glands secrete testosterone 4. Stress causes the adrenals to release very less amount of cortisol than usual Which of these statements are correct?Asked in UPPCS Prelims 2002
6. Which harmone when secreted increases heart beat and produces a feeling of excitementAsked in RPSC RAS Prelims 2003
7. When Hormone Adrenaline is secreted, then - - the heart beats slowly - the blood flow in skeletal muscles reduces - the breathing rate decreases - the blood to the digestive system and skin is reduced (5) Question not attemptedAsked in Exam 2024 Group a 2024
8. Which one of the following hormones contains peptide chain?Asked in UPSC CDS 1 2016
9. The hormone insulin is a:Asked in HPPSC HPAS Prelims 2014 · JPSC CS Prelims 2011
10. इंसुͧलन हॉमर्मोन क्या है ?Asked in HPPSC HPAS Prelims 2014
11. Which one of the following statements regarding insulin hormone is correct?Asked in UPSC CAPF 2018
12. Insulin is aAsked in UPPSC Upper Mains 2015
13. The hormone insulin is a:Asked in UPPCS Prelims 2004
14. The female sex hormone isAsked in BPSC Prelims Exam 66th
15. Which one of the following cells secrete androgen hormones in human being ?Asked in MPPSC CS Prelims 2019
16. Which one of the following hormones is responsible for the development of female sexual characters ?Asked in UPSC NDA 2 2021
17. Which one of the following is NOT correctly matched? List I List II Hormone Secreted by I. Testosterone Interstitial cells II. Prolactin Adrenal medulla III. Estrogen Ovary IV. Progesterone Corpus luteumAsked in TNPSC CS Prelims 2017
18. Match List I with List II and select the correct answer using the code given below the Lists : List I (Hormone) A. Aldosterone B. Oestrogen C. Melatonin D. Progesterone List II (Function) 1. Maintains female secondary sex characteristics 2. Controls circadian rhythm 3. Salt-retaming hormone 4. Sustains the pregnancy Code : A B C D (a) 4 2 1 3 (b) 4 1 2 3 (c) 3 2 1 4 (d) 3 1 2 4Asked in UPSC CAPF 2014
19. Estrigen is produced by:Asked in RPSC RAS Prelims 1995
20. The Leydig cells found in human body are the secretory source ofAsked in Food Safety Officer 2022
21. Select the mismatched pair - (1) Estrogen : Ovaries (2) Adrenaline : Pituitary gland (3) Thyroxine : Thyroid gland (4) Testosterone : TestesAsked in Head Master Praveshika School (Sanskrit Edu.) 2021
22. Presence of which hormone in the urine is the basis for the common test for pregnancy?Asked in Assistant Engineer (AE) Exam 2013
23. Which of the following endocrine glands is not found in pair in humans?Asked in UPSC CDS 1 2020
24. Which one of the following hormones is essential for the uptake of glucose by cells in the human body?Asked in UPSC CDS 2 2016
25. Which of the following hormones has been misused for increasing milk production in animals and to increase the size of vegetables such as pumpkins, watermelons etc. ?Asked in CGPSC Prelims Exam 2023