Total No.
of Printed Pages-8
22E-BIOL (BOT-Zoo)
20 22
BIOLOGY
Theory
Full Marks: 70
Pass Marks: 21
Time: 3 hours
The figures in the margin indicate full marks for the questions
Use separate Answer-scripts for Part-I (Botany)
and PartI| (Zoology)
ALLOTMENT OF MARKS
Part-I Botany
(Marks: 35)
1x4 = 4
Q. Nos. 1-4 carry 1 mark each
Q. Nos. 5-9 carry 2 marks each 2x5 10
3x4 = 12
Q. Nos. 10-13 carry 3 marks each
Q. No. 14 carries 4 marks 4
Q. No. 15 carries 5 marks 5
Total 3 5
Part-II: Zoology
(Marks: 35)
Q. No. 1 carries 1 mark each 1x5 = 5
Q. No. 2 carries 1 mark each 1x4 4
Q. No. 3 carries 2 marks each 2x2 4
Q. No. 4 carries 2 marks each 2x3 6
Q. No. 5 carries 3 marks each 3x2 6
Q. Nos. 6 and 7 carry 5 marks each 5x2= 10
Total 35
Total Part-I & Part-II 35+35 70
| Conta.
/160
2)
PART-I/ a97 10tysos
Botany)
Expla
Marks: 35) chron
Where are the
chlorophylls present in
chloroplast
T4BfefAR ART TC ? Drav
tran
Who proposed five-kingdom concept of living worla
3What is 'herbarium'?
Name the cell organelle which has no
membrane.
12.
w h a t are the significances of meiosis?
W h a t are the pigments involved in photosynthesis?
ICATRARTERTE 19 1 ?
is cell
What theory? 2
8 Write what you mean by micronutrient and macronutrient
with examples.
2
Write the difference between xylem and phloem.
2
/160
3)
10, tysosomes are regarded as suicidal bag of cell." Explain. 3
Or / H1
Explain with diagram, the structure of a typical
chromosome.
kDraw and label different tisues revealed under the
transverse section of dorsiventral leaf. 3
Or /
structure of a cell wall.
Explain with diagram, the
12. What do you mean by Kranz Anatomy? 3
Or /77
Write the differences between heartwood and sapwood
3
13. Distinguish
between (any one):
(a) Stroma and Thylakoid
reaction and Dark reaction
(b) Light
Diffusion and Osmosis
[Conta.
/160
4)
What do you mean by plant growth regulators? Mention
few roles of auxin. 1+3-4
Or / 3
Describe the alternation of generation with labelled
diagram.
Or /
What is Lichen? Write the of Lichen. 1+3-4
importance
15 What is Calvin cycle? Describe the different stages of
Calvin cycle.
Or/
What do you mean by light reaction of photosynthesis?
Write the difference betwveen cyclic photophosphorylation
and non-cyclic photophosphorylation. 1+4=5
Or / 1
What is Krebs cycle? Describe the different stages of Krebs
Cycle.
1+4-5
/160
5)
PART-II/ Non uM
Zoology )
(a91f)
(Marks: 35)
1x5-5
1. i l in the blanks (any five)
(a) Mitochondria is known asS -of cell.
metabolites.
(b) Alkaloids are
the cell is called
L)Molecules present in
(d) Echinoderms are -symmetrical.
enzyme is
called
e
Protein part of
Proteins are the polymers of.
following (any four) 1x4-4
answers of the
2Give very short
LaDefine cell cycle.
(b) What is axon?
Contd.
/160
6
(CWhat is
muscular system?
( How is oxygen carried in the blood?
(eWhich node acts as pacemaker of the heart
Name one
fat-splitting enzyme.
(g) What are neurons?
Write the differences between the following (any two)
2x2-4
(Blood and Lymph
(b) Bone and Cartilage
(c) Small and Large intestine
(d) Exocrine and Endocrine glands
e) Voluntary muscle and Involuntary muscle
Essential and Non-essential amino acids
/160
7)
Answer the following in bricf (any three) 2x3-6
a ) Write the names of bile pigments.
(b) Write about cytoskeleton
c) Write the four general characters of annelids.
a Write about body symmetry.
e) Mention few biological significances of proteins.
(Write a short note on oxygen-haemoglobin
dissociation curve.
5. Write short notes on (any two) 3x2-6
(a) Chemical nature ol enzyme
Nucleus
Contd.
/160
(8)
C)Significance of meiosis
(a) Reflex action
Nephron
0) Mechanism of
enzyme action
Describe the digestive system of human with diagram.
4+1=5
Or/
Classify the enzymes in lUB system.
7What is respiration? Describe the different types of
respiration. 1+4=5
Or/
What is chemical coordination? What are the
secreted by thyroid gland? Mention their
hormones
functions.
1+2+2-5
**
/160
22C
