ASSESSMENT II
CLASS XI BIOLOGY
MAX. MARKS: 30 TIME: 1 HR
NAME____________ CLASS_____SECTION__________ ROLL NO.
This paper comprises of two Parts- I and II. Answer all Questions
Ensure that you focus on key words/phrases so as to complete in the
stipulated time
PART I (14 Marks)
Q.1 a) State the best known contributions of the following: [2X1]
i) Walther Fleming ii) Berzelius
b) Give reasons for the following: [2x1]
i) Glycine and serine are non-essential amino acids.
ii) MUFA and PUFA are beneficial fatty acids in the diet.
c) Represent any ONE flower- Only with Floral Diagram and Floral Diagram. [5]
d) Give diagrammatic representation of T.S. Dicot Stem. [5]
PART II (16 Marks)
SECTION A (2x3=6 Marks)
Q.2 Give an account of Double Fertilization and Triple Fusion in Angiosperms.
OR
Give the technical terms in the description of Flower with suitable illustrations.
Q.3 Write a note on Connective tissue; explaining classification and functions.
SECTION B [2x5=10 marks]
Q.4 Describe the various theories of Membrane Models.
OR
Enumerate the various steps in Meiosis. Also give the significance.
CLASS XI BIOLOGY
MAX. MARKS: 30 TIME: 1 HR
NAME____________ CLASS_____SECTION__________ ROLL NO.
This paper comprises of two Parts- I and II. Answer all Questions
Ensure that you focus on key words/phrases so as to complete in the
stipulated time
PART I (14 Marks)
Q.1 a) State the best known contributions of the following: [2X1]
i) Walther Fleming ii) Berzelius
b) Give reasons for the following: [2x1]
i) Glycine and serine are non-essential amino acids.
ii) MUFA and PUFA are beneficial fatty acids in the diet.
c) Represent any ONE flower- Only with Floral Diagram and Floral Diagram. [5]
d) Give diagrammatic representation of T.S. Dicot Stem. [5]
PART II (16 Marks)
SECTION A (2x3=6 Marks)
Q.2 Give an account of Double Fertilization and Triple Fusion in Angiosperms.
OR
Give the technical terms in the description of Flower with suitable illustrations.
Q.3 Write a note on Connective tissue; explaining classification and functions.
SECTION B [2x5=10 marks]
Q.4 Describe the various theories of Membrane Models.
OR
Enumerate the various steps in Meiosis. Also give the significance.
