UP Board Class 12 Biology Question Paper 2023 with Answer Key and Solutions PDF (February 27, Code 348 CI)

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Shivam Yadav

Updated on - Nov 19, 2025

UP Board Class 12 Biology Question Paper 2023 with Answer Key Code 348 CI is available for download. The exam was conducted by the Uttar Pradesh Madhyamik Shiksha Parishad (UPMSP) on February 27, 2023 in Afternoon Session 2 PM to 5:15 PM . The medium of paper was English and Hindi. In terms of difficulty level, UP Board Class 12 Biology paper was Easy. The question paper comprised a total of 9 questions.

UP Board Class 12 Biology (Code 348 CI) Question Paper 2023 with Solutions PDF

UP Board Class 12 Biology Question Paper with Solutions PDF download iconDownload Check Solutions
UP Board Class 12 Biology (Code 348 CI) Question Paper 2023 with Solutions PDF


Question 1:

Genetically modified plant is/are

  • (A) BT maize
  • (B) BT cotton
  • (C) BT rice
  • (D) All of these

Question 2:

Which one of the following is a false fruit?

  • (A) Grape
  • (B) Mango
  • (C) Guava
  • (D) Apple

Question 3:

The number (X) of chromosomes in the endosperm of the angiospermic plant is

  • (A) 1X
  • (B) 2X
  • (C) 3X
  • (D) 4X

Question 4:

The name of pathogen of typhoid is

  • (A) Ascaris
  • (B) Amoeba
  • (C) Paramecium
  • (D) Salmonella

Question 5:

Write in brief 'In Vitro Fertilization' (IVF).


Question 6:

Which bacteria converts milk into curd?


Question 7:

What is the difference between sugar of RNA and DNA?


Question 8:

Who is known as the father of 'Green Revolution' in India?


Question 9:

How many chromosomes are found in humans?


Question 10:

Draw only a labelled diagram of a sperm of man.


Question 11:

Describe Mendel's 'law of dominance'.


Question 12:

Write the name of first amino acid and initiation codon for the initiation of protein synthesis.


Question 13:

Write a short note on BT cotton.


Question 14:

What are active and passive immunity?


Question 15:

Draw a clean and labelled diagram of the life-cycle of malaria parasite.


Question 16:

Draw a labelled diagram of an ovule including embryo-sac in a flowering plant.


Question 17:

Describe the role of any three micro-organisms in the production of household food materials.


Question 18:

Write short notes on adaptation of desert plants and animals.


Question 19:

What is pollination? Write a note on the types of pollination of plants.


Question 20:

Comment upon sewage treatment.


Question 21:

Describe any three important characteristics of population.


Question 22:

What is the role of RNA in protein synthesis?


Question 23:

Comment upon the following:

Plasmid Vector


Question 24:

Comment upon the following:

Apomixis


Question 25:

Comment upon the following:

Biodiversity and its Conservation


Question 26:

Comment upon the following:

Recombinant DNA Technology


Question 27:

Comment upon any three chromosomal aberrations (syndrome) found in humans.


Question 28:

Describe the microsporogenesis in flowering plants with suitable diagram.


Question 29:

Describe the semiconservative method of DNA replication with diagram.


Question 30:

Write an essay on population explosion and its control measures.


Question 31:

Give an account on Biosphere Reserves and National Parks.


Question 32:

Define menstrual cycle. Give an account on hormonal interplay during it.



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