Question

which parts are deleted in heredity and evolution chapter class 10. please tell in detail which all parts​

Answer 1

Answer:

Explanation:

A. Finding the pH of the following samples by using pH paper/universal indicator:

(i) Dilute Hydrochloric Acid

(ii) Dilute NaOH solution

(iii) Dilute Ethanoic Acid solution

(iv) Lemon juice

(v) Water

(vi) Dilute Hydrogen Carbonate solution

2. Determination of the equivalent resistance of two resistors when connected in series and parallel.

3. Preparing a temporary mount of a leaf peel to show stomata.

4. Study of the following properties of acetic acid (ethanoic acid):

i) Odour

ii) solubility in water

iii) effect on litmus

iv) reaction with Sodium Hydrogen Carbonate

5. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.

6. Finding the image distance for varying object distances in case of a convex lens and drawing corresponding ray diagrams to show the nature of image formed.

7. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).

You can also check below the revised CBSE Syllabus for Class 10 Science subject on the basis of which the internal assessment and the year-end board examination will be conducted: