Biology (314)|Solved Practical File|Class 12th|ENGLISH MEDIUM | NIOS

Biology (314)|Solved Practical File|Class 12th|ENGLISH MEDIUM | NIOS

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Biology (314)

CLASS 12^TH

SOLVED PRACTICAL FILE

INDEX

Practical 1: Some common instruments

Practical 2: (Slide mounting) 2.1 Preparation of temporary mount of onion peel to observe and study epidermal cells 2.2 Preparation of temporary stained mount of human cheek cells. 2.3 Temporary stained preparation and study of striated muscle fibres in cockroach.

Practical 3: Study of the microscopic anatomy (histology) of mammalian tissues and organs

Practical 4: Study of animal specimens and their classification to identify the characteristic features of sponge, earthworm, butterfly, apple snail, starfish, dogfish (Scoliodon) bony fish (Rohu), toad, house lizard, pigeon and bat.

Practical 5: Preparation of a slide of onion root tip for observation of stages of mitosis.

Practical 6: Study of morphological modifications of plant parts like root, stem and leaf.

Practical 7: To study the T.S. of dicot and monocot stems and roots from permanent slide.

Practical 8: To study the structure and function of different parts of flowers (China rose and Petunia)

Practical 9: (a) To study the physical properties of different soil samples

(b) To study the water holding capacity of different soil samples.

Practical 10: Demonstration of osmosis by potato osmometer.

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