TN +1 Annual Exam May 2022 Question paper with Answer Key- BIOLOGY

[Thirumagan]

From the below attachments, get the +1 Biology (Bio Botany & Bio Zoology) Annual Exam 2022 Question papers with answer keys.

Some sample questions from the question paper are:

• Identify the Arehacbactcrium.
  

(a) Treponema
(b) Acctobacter
(e) Methanobacterium
(d) Erwinia

• Amino acid is both an acid and a base and hence it is called as
  

(a) Nucleotide
(b| Polypeptide
© Amphoteric
(d) Dipeptide

• -------------- is required for the formation of thyroxine.
  

(a) Calcium  (b) Sodium  © Iodine (d) Potassium

• First step in digestion of fat is :
  

(a) Absorption by laclcals
© Storage in adipose tissue
(b) Emulsification
(d) Enzyme action

• List out any two primary functions of stem
  
• What is Apical dominance?
  
• What is the difference between Sap wood and Heart wood
  
• Draw the ultrastructure of a plant cell and explain its parts.
  
• List out different types of WBC
  
• Write peculiar characters of Duck.
  
• Write the economic importance of Frog.
  

Detailed question paper can be had from the link below.