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While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?
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Artificial magnets were discovered in Greece.
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Two students while sitting across a table looked down on to its top surface. They noticed that they could see their own and each other’s image. The table top is likely to be made of:
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Observe the picture given in the following figure. A sheet of some material is placed at position ‘P’, and still the patch of light is obtained on the screen. What is the type of material of this sheet?
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You are given a transparent glass sheet. Suggest any two ways to make it translucent without breaking it.
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Filament of a torch bulb is ______.
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Figure shows a bulb with its different parts marked as 1, 2, 3, 4 and 5. Which of them labels the terminals of the bulb?
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Why do bulbs have two terminals?
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Which of the following arrangement A, B, C and D given in the following figure should not be set up? Explain, why.
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A fused bulb does not glow. Why?
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Given below is a list of edible plants:
- Banana
- Pumpkin
- Lady’s finger
- Brinjal
Which pair of plants have two or more edible parts?
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The part of a banana plant not used as food is ______.
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Read the clues and fill up the blanks given below each of them.
Honeybees suck from flower.
N ___ ___ T ___ R
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Why do boiled seeds fail to sprout?
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Paheli and her friends were decorating the class bulletin board. She dropped the box of stainless steel pins by mistake. She tried to collect the pins using a magnet. She could not succeed. What could be the reason for this?
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How will you test that ‘tea dust’ is not adulterated with iron powder?
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Boojho dipped a bar magnet in a heap of iron filings and pulled it out. He found that iron filings got stuck to the magnet as shown in the following figure.
- Which regions of the magnet have more iron filings sticking to it?
- What are these regions called?
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Which one of the following food item does not provide dietary fibre?
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Beera is a farmer. His field has black soil and the climate is warm. Which fibre yielding plant should he grow in his field?
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Some term related to fabric is jumbled up and given below. Write it in its correct form.
onttoc
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