B.Sc. I (Biotechnology) (Semester II) (CBCS) Examination, 2018
Biochemistry and Cell Physiology
Paper II cell physiology
Day and Date Tuesday, 27-11-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
Draw neat and labeled diagrams wherever necessary.
Figures to right indicates full marks.
Use of calculator is allowed.
I. Rewrite the following sentences by using correct alternative. 14
The percentage of water in Watermelon is
90% 92% 95% 94%
The process of absorption of water by seeds is called
Transpiration Translocation
Imbibition Plasmolysis
Root nodules of leguminous plants appear pink due to the presence of
Haemoglobin Iron haemoglobin
Zinc haemoglobin Leg haemoglobin
Zeatin the naturally occurring cytokinin was isolated from
Corn Kernel Apple
Sugarcane Grapes
Human adult has permanent teeth.
36 23 46 32
The principal organ for absorption of nutrient is
Small intestine
Stomach
Large intestine
Both small intestine and stomach
The life span of RBC is
120 days 110 days 100 days 90 days
Three chambered Heart is found in
Vertebrates Fishes Amphibians Birds
are the excretory structure in crustaceans.
Kidney Green gland
Nephridia Malphigian tubules
10) Normal Blood Pressure of a healthy adult is
120/80 110/70 120/70 110/80
11) Cerebrum consists of part of the brain.
Midbrain Forebrain
Hindbrain All of these
12) provides the acidic PH to gastric juice.
HCl NaCl
KCl All of these
13) The Nitrogen fixing microbe in soil is
Bacillus E.Coli
Rhizobium Salmonella
14) Loss of water by plants in the leaves is through the
Guard cells Xylem
Stomata phloem
II. Answer the following (Any 7). 14
Define Transpiration.
Define Plasmolysis.
Define neurons.
Define Alveoli.
What are long day plants
Name two uricotelic animals.
What are Schwann cells
Write the difference Actin and Myosin.
Write the two sets of bones composed in the Skull.
III. Answer any two of the following. 10
Discuss the factors responsible for ascent of Xylem sap in plants.
Write in detail about the Nitrogen Fixation in plants.
Discuss in detail about photoperiodism.
Solve 4
Describe human respiratory system with neat labelled diagram.
IV. Answer any two of the following. 14
Describe types, phases and factors affecting seed dormancy.
Explain different types of transpiration.
Explain structure, synthesis and functions of Gibberellins.
V. Answer any two of the following. 14
Describe human Nervous system with neat labelled diagram.
Describe mechanism of urine formation with neat labelled diagram.
Describe structure of human heart with neat labelled diagram.