Biology Activities For Class IX (2018 Edition)

Keeping in mind the broader comprehensive needs of subject knowledge we have put in our best efforts in this book. Science is learned best by doing. We can understand the principles of science by doing experiments. Therefore, the practical work in the laboratory is an essential part of the student’s life.

★ It is strictly in accordance with the latest syllabus (CCE) for the IXth class prescribed by C.B.S.E., New Delhi.

★ Subject matter is presented in a simple and lucid manner.

★ Properly labeled diagrams are provided in the experiment.

★ Sufficient theory is provided at the beginning of each experiment.

★ Tables are given for direct recording of the observations.

★ Precautions are given for each and every experiment.

★ The procedure required for each experiment is written in an orderly manner.

★ Viva Voce questions and Multiple Choice Questions with answers are given in each experiment.

We sincerely hope that the present book will prove to be more useful for the students in their practical class.

Experiment 1A. To test the presence of starch in the given food sample.

Experiment 1B. To test the presence of adulterant metanil yellow in dal.

Experiment 2A. To prepare stained temporary mounts of an onion peel, to record observations, and to draw labeled diagrams.

Experiment 2B. To prepare stained temporary mounts of human cheek cells, to record observations and draw their labeled diagrams.

Experiment 3A. To identify parenchyma and sclerenchyma tissues in plants from prepared slides and draw their labeled diagrams.

Experiment 3B. To identify striated muscle fibers and nerve cells in animals from prepared slides and draw their labeled diagrams.

Experiment 4. To determine the mass percentage of water imbibed by raisins.

Experiment 5. To study the characteristics of Spirogyra Agaricus, Moss/Fern, Pinus (either with male or female cone), and an Angiospermic plant. Draw and give two identifying features of the groups they belong to.

Experiment 6. Observe the given pictures/charts/models of earthworms, cockroaches, bony fish, and birds. For each organism, draw their picture and record:

(a) One specific feature of its phylum.

(b) One adaptive feature with reference to its habitat.

Experiment 7. To study the external features of the root, stem, leaf, and flower of monocot and dicot plants.

Experiment 8. To study the life cycle of mosquitoes.