FINAL EXAMINATION
CLASS XI BIOLOGY
MAX. MARKS: 50 TIME: 1.5 Hrs
NAME____________ CLASS_____SECTION__________ ROLL NO.
This paper comprises of two Parts- I and II. Answer all Questions.
PART I (15 Marks)
Q.1 (a) Answer the following as per instructions (Attempt all questions) : [10x1]
i)Give the function of medulla oblongata.
ii)Why are the right and left lungs different in their form and size?
iii)Define portal system.
iv)What is haemodialysis?
v)What is Grave’s disease?
vi)Distinguish between Grey matter and White matter.
vii)Distinguish between fixed joints and synovial joints.
viii)What is muscle tetany?
ix)Mention the most significant function of lacteals.
x)Define oxygen debt.
b)Multiple choice questions. Choose the best option in each case: [5x1]
(i)Blood clotting is initiated by :
I. calcium ions & thromboplastin II. prothrombin & thromboplastin
II. fibrinogen & calcium ions IV. fibrinogen & thromboplastin
(ii) Deamination occurs in :
I.kidney II.liver
III.nephron IV. both I and II
(iii)Digestion of food causes:
I.hydrolysis
II.oxidation
CLASS XI BIOLOGY
MAX. MARKS: 50 TIME: 1.5 Hrs
NAME____________ CLASS_____SECTION__________ ROLL NO.
This paper comprises of two Parts- I and II. Answer all Questions.
PART I (15 Marks)
Q.1 (a) Answer the following as per instructions (Attempt all questions) : [10x1]
i)Give the function of medulla oblongata.
ii)Why are the right and left lungs different in their form and size?
iii)Define portal system.
iv)What is haemodialysis?
v)What is Grave’s disease?
vi)Distinguish between Grey matter and White matter.
vii)Distinguish between fixed joints and synovial joints.
viii)What is muscle tetany?
ix)Mention the most significant function of lacteals.
x)Define oxygen debt.
b)Multiple choice questions. Choose the best option in each case: [5x1]
(i)Blood clotting is initiated by :
I. calcium ions & thromboplastin II. prothrombin & thromboplastin
II. fibrinogen & calcium ions IV. fibrinogen & thromboplastin
(ii) Deamination occurs in :
I.kidney II.liver
III.nephron IV. both I and II
(iii)Digestion of food causes:
I.hydrolysis
II.oxidation
