FINAL EXAMINATION
CLASS XI BIOLOGY
MAX. MARKS: 70 TIME: 3 HRS
NAME____________ CLASS_____SECTION__________ ROLL NO.
This paper comprises of two Parts- I and II. Answer all Questions.
PART I (20 Marks)
Q.1 (a) Answer the following as per instructions (Attempt all questions) : [8x1]
i)What is Numerical Taxonomy?
ii)Give the significance of Lichens.
iii)Define Herbarium.
iv)Enumerate the distinguishing characteristic of Annelida
v)What are Annual Rings?
vi)Distinguish between Euchromatin and Heterochromatin.
vii)Distinguish between Essential and Non-essential Amino Acids.
viii)What is toxicity of micronutrients?
b)State the best known contributions of the following: [4x1]
i) Ivanowsky ii)Sumner
iii)Peter Mitchell vi) Einthoven
c) Define the following:
i)Vernalization ii)Occupational Respiratory Disorders [2x1]
i)Give reasons for the following: [2]
i) Owls have night vision for nocturnal habit.
ii) The human heart is myogenic.
e)Multiple choice questions. Choose the best option in each case: [4x1]
(i)Large vessels and tracheids are formed in:
I. spring II. summer
II. winter IV. rainy season
CLASS XI BIOLOGY
MAX. MARKS: 70 TIME: 3 HRS
NAME____________ CLASS_____SECTION__________ ROLL NO.
This paper comprises of two Parts- I and II. Answer all Questions.
PART I (20 Marks)
Q.1 (a) Answer the following as per instructions (Attempt all questions) : [8x1]
i)What is Numerical Taxonomy?
ii)Give the significance of Lichens.
iii)Define Herbarium.
iv)Enumerate the distinguishing characteristic of Annelida
v)What are Annual Rings?
vi)Distinguish between Euchromatin and Heterochromatin.
vii)Distinguish between Essential and Non-essential Amino Acids.
viii)What is toxicity of micronutrients?
b)State the best known contributions of the following: [4x1]
i) Ivanowsky ii)Sumner
iii)Peter Mitchell vi) Einthoven
c) Define the following:
i)Vernalization ii)Occupational Respiratory Disorders [2x1]
i)Give reasons for the following: [2]
i) Owls have night vision for nocturnal habit.
ii) The human heart is myogenic.
e)Multiple choice questions. Choose the best option in each case: [4x1]
(i)Large vessels and tracheids are formed in:
I. spring II. summer
II. winter IV. rainy season
