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: Plant: Economic Importance →

26. Flint corn is commonly grown in India is also known asAsked in Food Safety Officer 2022
27. ‘Sharbati Sonora’ is a variety ofAsked in Additional Private Secretary Exam 2017
28. In India gene bank of wheat is located atAsked in Sr. Teacher GR II 2011
29. Which one is known as "Flame of the Forest" is:Asked in RPSC RAS Prelims 2010
30. Which is not obtained from the bark of the tree?Asked in APPSC Draughtman 2008
31. Match List-I with List-II : List-I List-II (Cloth) (Origin) a. Linen 1. Coconut plant b. Coir 2. Flax plant c. Mohair 3. Feathers of duck and geese d. Down 4. Angora goat Select the correct answer using the codes given below.Asked in BPSC Prelims Exam 69th
32. Which one of the following proteins gives lustrous shiny appearance to silk fibre?Asked in UPSC CDS 2 2017
33. Angora wool is extracted from which of the following animals?Asked in JPSC CS Prelims 2024
34. Botanically fibre plants gives bast fibres.Asked in MPSC CS Prelims 2013
35. Which one of the following is useful in the paper manufacturing industry?Asked in UPSC NDA 2 2015
36. Tapa cloth is obtained from the plants of which one of the following family?Asked in UPPCS Prelims 2021
37. Which of the following items is/are associated with the mulberry plant? 1. Silk 2. Cocoon 3. Pashmina 4. Hemp Select the correct answer using the code given below :Asked in UPSC CISF AC EXE 2018
38. ‘Tasar’ silk fibre is produced byAsked in WBPSC CS Prelims 2015
39. Which of the following pairs is not correctly matched ?Asked in UPPCS Prelims 2008
40. Cotton fibres are obtained fromAsked in UPPSC Upper Mains 2009
41. Which one of the following plant fibres is obtained from stem ?Asked in UPPSC Upper Mains 2010
42. The process employed to separate fibre from the jute stem is known asAsked in APPSC Panchayat secretary Prelims 2016
43. What is a key advantage of nylon fishing nets over natural fiber nets ? - (5) Question not attemptedAsked in Asst. Fisheries Development Officer 2024
44. The rearing of silkworms for production of raw silk is known as :Asked in Junior Accountant and TRA 2013
45. Which of the following uses mulberry leaves ?Asked in JUNIOR ACCOUNTANT AND TRA 2013
46. Virnar and Varalakshmi are the hybrid breeds of - - (5) Question not attemptedAsked in Local Self Govt. Dept. (RO and EO) Re Exam 2022
47. The cotton fibre from cotton plant is obtained fromAsked in Assistant Engineer (AE) Exam 2012
48. Cotton fibre is obtained from theAsked in Assistant Conservator of Forest (ACF) 2012
49. Silkworm rearing is known asAsked in BJS 2023
50. The textile fibre (linen) is obtained from which of the following plants?Asked in Field Investigator 2020