Tiêu đề vi_natural science.doc-E.pdf ✅

1 VI-NATURAL SCIENCE-E No. of pages - 6 (E) MARKING SCHEME MID-TERM EXAMINATION (2024-25) CLASS : VI SUBJECT : NATURAL SCIENCE (086) Time Allowed : 2.30 hours Maximum Marks : 60 SECTION-A 1. (i) Carrot, Mango 1⁄2x1 (any other) OR Roughage and water (ii) Electric cell are used in torches, watch, radio etc. 1⁄2x2 OR Metals, key, iron nail (any other) 1⁄2x2 (iii) Near the ends of bar magnet 1 (iv) Iron nail and iron gate etc. 1 (any other) (v) True 1 (vi) False 1 (vii) True 1
2 VI-NATURAL SCIENCE-E (viii) False 1 (ix) Loss of vision (Night blindness) 1 (x) Vitamin D 1 (xi) Filament 1 (xii) Two 1 SECTION-B 2. - fat and carbohydrates 1 - example : fat – butter 1⁄2 Carbohydrates – wheat 1⁄2 (any other) 3. - A diet which contains all of the essential nutrients that the human body needs. 1 OR - Component of food not providing any nutrient but help in movement of food. 1⁄2 - Sources of roughage – fresh fruits and pulses 1⁄2 (any other) 4. i. Hands should be dry 1 ii. Damaged electrical devices must not be used 1
3 VI-NATURAL SCIENCE-E 5. - No current pass through the filament. 1 - Circuit is not complete 1 OR Insulator Conductor Allow electricity to pass through them. Does not allow electricity to pass through them. 1+1 6. - Take a rectangular piece of iron. Place it on the table. Now take a bar magnet and place one of its pole near one edge of the bar of iron. 2 - Without lifting the bar magnet, move it along the length of iron bar (repeat it 30-40 times) - Now it has become a magnet. 7. - A freely suspended bar magnet always comes to rest in a particular direction i.e. North South direction 2 OR Bar magnet, house-shoe magnet, cylindrical or a ball ended magnet. 8. - Nutrient absorption 1 - Urine formation 1 - Sweating 1