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 relationship between osmotic pressure, turgor pressure and
wall pressure is represented by :
I.TP = OP + WP
II. OP = TP - WP
III. WP = TP - OP
IV. OP = TP + WP
(ii)Phosphorus deficiency in plants causes :
I.premature leaf fall II.purple anthocyanin pigmentation
III.older leaves exhibit deficiency symptoms first IV. all the above
(iii)If you were to sprint a hundred meters a few hours after lunch, which one
of the following stored fuels would your body probably tap? :
I.muscle protein II.muscle glycogen
III.fat stored in the liver IV.fat stored in adipose tissue
(iv) The Adam’s apple is formed predominantly by which of
the following structures :
I.larynx II.pharynx
III.oesophagus IV.bronchi
, III oedema IV murmur
(vi) Which of the following components of blood does not
enter the nephron? :
I plasma proteins II glucose
III sodium ions IV urea
(vii)For muscle-building anabolic steroids, we can say that :
I they are risk-free to use.
II they have side-effects that outweigh their benefits.
III they increase muscular strength and endurance.
IV both II and III
(viii) The speed at which impulses are conducted increases with :
I increasing number of dendrites
II increasing branching of dendrites
III increasing diameter of soma
IV increasing diameter of axon
(ix)When a person suffers from a marked fall in blood pressure,
it is helpful to administer the hormone :
I thyroxine II adrenaline
III insulin IV parathormone
(x)Which of the following serves as link between autonomic
nervous system and endocrine system? :
I blood II thymus
III cerebrum IV hypothalamus
Answer the following:
(i) Why is salt added in excess to pickles?
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 relationship between osmotic pressure, turgor pressure and
wall pressure is represented by :
I.TP = OP + WP
II. OP = TP - WP
III. WP = TP - OP
IV. OP = TP + WP
(ii)Phosphorus deficiency in plants causes :
I.premature leaf fall II.purple anthocyanin pigmentation
III.older leaves exhibit deficiency symptoms first IV. all the above
(iii)If you were to sprint a hundred meters a few hours after lunch, which one
of the following stored fuels would your body probably tap? :
I.muscle protein II.muscle glycogen
III.fat stored in the liver IV.fat stored in adipose tissue
(iv) The Adam’s apple is formed predominantly by which of
the following structures :
I.larynx II.pharynx
III.oesophagus IV.bronchi
, III oedema IV murmur
(vi) Which of the following components of blood does not
enter the nephron? :
I plasma proteins II glucose
III sodium ions IV urea
(vii)For muscle-building anabolic steroids, we can say that :
I they are risk-free to use.
II they have side-effects that outweigh their benefits.
III they increase muscular strength and endurance.
IV both II and III
(viii) The speed at which impulses are conducted increases with :
I increasing number of dendrites
II increasing branching of dendrites
III increasing diameter of soma
IV increasing diameter of axon
(ix)When a person suffers from a marked fall in blood pressure,
it is helpful to administer the hormone :
I thyroxine II adrenaline
III insulin IV parathormone
(x)Which of the following serves as link between autonomic
nervous system and endocrine system? :
I blood II thymus
III cerebrum IV hypothalamus
Answer the following:
(i) Why is salt added in excess to pickles?
