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 Answer the following as per instructions (Attempt all questions) : [20x1]
Multiple choice questions. Choose the best option in each case:
(i)The water potential and osmotic potential of pure water are :
I.100 and 0
II. 0 and 0
III. 100 and 100
IV. 0 and 100
(ii)Prolonged liberal irrigation of agricultural fields is likely to
create the problem of :
I.acidity II.aridity
III.salinity IV. metal toxicity
(iii)How many turns of Calvin cycle produce one molecule of hexose? :
I.two II.six
III.four IV.eight
(iv)Which of the following process occur in fermentation? :
I.Kreb’s cycle II.Glycolysis
III.Electron Transport System IV.The transition reaction
(v)Which combination of gases is suitable for fruit ripening? :
, inside the gut? :
IB II E
III D IV K
(vii)The amount of air that is inspired or expired during
normal breathing is :
I 0.5 L
II 1.5 L
III 3.5 L
IV 4.5 L
(viii) A drop of each of the following is placed separately on four
slides. Which of them will not coagulate? :
I blood serum
II sample from thoracic duct of lymphatic system
III whole blood from pulmonary vein
IV blood plasma
(ix) Creatinine is not produced by :
I children II pregnant women
III fasting person IV healthy male
(x) A person having problems with calcium and phosphorous metabolism,
which one of the following glands may not be functioning properly? :
I parotid II pancreas
III thyroid IV parathyroid
Answer the following:
(i) Which part of the brain regulates heartbeat?
(ii)Why does vitamin A deficiency cause night blindness?
(iii) Body of an animal becomes stiff after birth. Give reason.
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 Answer the following as per instructions (Attempt all questions) : [20x1]
Multiple choice questions. Choose the best option in each case:
(i)The water potential and osmotic potential of pure water are :
I.100 and 0
II. 0 and 0
III. 100 and 100
IV. 0 and 100
(ii)Prolonged liberal irrigation of agricultural fields is likely to
create the problem of :
I.acidity II.aridity
III.salinity IV. metal toxicity
(iii)How many turns of Calvin cycle produce one molecule of hexose? :
I.two II.six
III.four IV.eight
(iv)Which of the following process occur in fermentation? :
I.Kreb’s cycle II.Glycolysis
III.Electron Transport System IV.The transition reaction
(v)Which combination of gases is suitable for fruit ripening? :
, inside the gut? :
IB II E
III D IV K
(vii)The amount of air that is inspired or expired during
normal breathing is :
I 0.5 L
II 1.5 L
III 3.5 L
IV 4.5 L
(viii) A drop of each of the following is placed separately on four
slides. Which of them will not coagulate? :
I blood serum
II sample from thoracic duct of lymphatic system
III whole blood from pulmonary vein
IV blood plasma
(ix) Creatinine is not produced by :
I children II pregnant women
III fasting person IV healthy male
(x) A person having problems with calcium and phosphorous metabolism,
which one of the following glands may not be functioning properly? :
I parotid II pancreas
III thyroid IV parathyroid
Answer the following:
(i) Which part of the brain regulates heartbeat?
(ii)Why does vitamin A deficiency cause night blindness?
(iii) Body of an animal becomes stiff after birth. Give reason.
