B.Sc. I (Biotechnology) (Semester II) (CBCS) Examination, 2018
BIOCHEMISTRY AND CELL PHYSIOLOGY
Paper II Cell Physiology
Day and Date Friday, 20-4-2018 Max. 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.
1. Rewrite the following sentences by using correct alternative. 14
is structural and functional unit of nervous system.
Chromomere Sarcomere
Neuron Nephron
is shoot inducing hormone.
Auxin Cytokinin
ABA Ethylene
is structural and functional unit of reflex action.
Neuron Reflex arc
Nephron Sarcomere
Human heart is
Neurogenic Myogenic
Both and None of these
is responsible for maintaining basic metabolic rate.
Thyroxin ADH
Aldosterone STH
is largest endocrine gland in the human body.
Thyroid Thymus
Pancreas Pituitary
Malphigian body in human kidney meant for
Secretion Absorption
Draining Filtration
cells are responsible for secretion of testosterone.
Leydig Serous
Epithelial Goblet
is known as fruit ripening hormone.
Auxin Cytokinin
ABA Ethylene
10) is not a trophic hormone.
ACTH TSH
GTH Thyroxine
11) is responsible for nitrogen fixation.
Azatobacter Rhizobium
BGA All of these
12) is act as chemical messenger in nervous system.
Neurotransmitter Enzyme
Ribozyme Hormone
13) not a critically essential element.
Nitrogen Phosphorous
Potassium Oxygen
14) is not a micronutrient.
Copper Zinc
Nitrogen Boron
2. Answer the following (any 14
Write a note on ABA.
ii) What is stomatal transpiration
iii) What is photoperiodism
iv) Write a note on SA node.
Draw neat labeled diagram of neuron.
vi) What is reflex action
vii) Write a note on florigen.
viii) What is apoplast pathway
ix) Write a note on blood.
3. Answer any two the following 10
Describe human excretory system with neat labeled diagram.
ii) Explain structure, synthesis and functions of auxin and cytokinin.
iii) Describe human nervous system with neat labeled diagram.
Describe types, phases and factors affecting seed dormancy. 4
4. Answer any two of the following 14
Explain various mechanisms of absorption of elements.
ii) Describe human digestive system.
iii) Describe human respiratory system with neat labeled diagram.
5. Answer any two of the following 14
Explain critically essential elements with its role in plant development.
ii) Describe double circulation with neat labeled diagram.
iii) Explain the structure and function of nephron.