Q-1(A)
Take a glass of water, pour the substances given below and stir them properly. After
that observe the glass properly and classify soluble and insoluble substances on the
basis of observation.
(3)
1. Sugar(half teaspoon) 2. Mustard seeds(half teaspoon) 3.Two to three drops of coconut
oil.
Q-1(B)
Certain substances are placed in the beaker in given picture. If the following items are
placed in a water filled beaker then state in what condition it remain.
(2)
1. Gravel of the sand.
2. Drops of sunflower oil.
L.O.
Classifies the substances and living beings on the basis of their characteristics, structure
and function.
Q-2 (A)
Identify the picture and the method of making cloth from a fabric on the basis of its
characteristics.
(2)
1. Two sets of yarns are required.
2. A single yarn is used.
Q-2 (B)
Identify me.
(3)
1. I am such a nutrient in food that does not require any chemical other than a paper to
identify.
2. My presence can be detected by using water, copper sulphate and caustic soda with
food.
3. I am made by twisting the fibres.
L.O.
Conducts simple investigation to get the answer of the questions.
Q- 3
How will you determine from which part of the plant, the following food items are
obtained?
(5)
(1) Ginger (2) Spinach (3) Egg plant (4) Carrot (5) Potato
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Answer:
1a) sugar = soluble , mustard seeds - insoluble, coconut oil - insoluble
b) gravel of sand
2a) weaving and knitting
b) lipids or fats ,, protein,, single yarn
3) ginger- root , spinach- leaf , egg plant - stem , carrot - root , potato - root
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