Std12th Bio Pract Part B Spotting No 13
13. Study of structure or parts of human eye, ear and brain
with the help of models or charts.
Date
1. Human eye :
Description can be added from the
text book or only specific regions can be given in short. From exam point of
view for one mark any one part with function can be asked.
A. Model
Fig. Structure of human eye
2. Human ear·:
Description can be added from the text book or only specific regions can be given in short. From exam point of view for one mark any one part with function can be asked.
Fig. Structure of human ear
J Functional areas of cerebrum :
Description can be added from the
text book or only specific regions can be given in short. From exam point of
view for one mark any one part with function can be asked.
Comment on function of
different ports :-
Brain
The brain controls our thoughts, memory and speech, movement of the arms and legs, and the function of many organs within our body. Sketch diagrams and comment
Questions
1. Enlist difference sense organs in human and mention
their functions separately.
The major sense organs in human are---
Answer
- 1. Eye - Vision
2. Ear -Hearing
3. Nose - Smell
4. Tongue - Taste
5. Skin – Touch
2. Give reason - little damage to medulla oblongata
causes sudden death.
Answer
- Medulla oblongata is the controlliing centre for heart and lungs, it
regulates involuntary movements such as breating, circulation etc. Hence, any
injury to medulla oblongata causes death.
3. What are the functions of cerebrum?
Answer
- The cerebrum is the site of intelligence, memory and reasoning. it is
also involved involuntary
activities. it is involved in functions such as
listening, speaking, smelling, etc.
4. Study of flowers adapted to pollination by differentpollinating agencies (Wind and Insects)
PART B Question No 04 Spotting Practical Experiment No 3
5. Study of V. S. of anatropus ovule through a permanent slide/ relevant chart.
7. Study of meiosis in onion flower bud with the help of permanent slides.
6. Study of T. S. testis, T. S. ovary and V. S. of blastula, through permanent slides.
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