science class 4 one line notes STTB

Science Class Four One Line Notes

 According to the new paper composition of JEST/PST & Other exams
 Covered full chapters and full book 
 Notes are compiled from book’s text & exercises 
 Prepared form 5th class Science book of SINDH  Textbook Board 
  Conceptual Notes 

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1.Which of the following methods will be used to separate chalk powder from water:
 1. Evaporation 2. Filtration 3. Decantation 4. Sedimentation

 2. Which senses of our body are closely related? 
1. touch and smell 2. smell and taste 3. taste and hearing 4. seeing and touch

 3. Which sense organ also functions as a sense organ for temperature?
 1. nose 2. tongue 3. ear 4. eye

 4. how many taste buds are there on human tongue:
 1. 10,000 2. 1000 3. 100,000 4. 100 

5.Taste buds are salty, bitter, sweet and: 
1. Spicy 2. Sour 3. Juicy 4. Nasty

 6.The total length of human small intestine is about:
 1. 8 m 2. 7 m 3. 6 m 4. 4 m

 7.How much time does food take to digest:

 1. From 24 to 30 hrs 2. From 25 to 35 3. From 26 to 32 4. From 27 to 36
 8.Which of the following organs excrete bile:
 1. Liver 2. Pancreas 3. Gall bladder 4. All of these 

9.The chewed food which passes from uvula to stomach is known as:
 1. Bile 2. Bolus 3. Glycerol 4. Amino acids

 10."Haemoglobin"is a combination of 
1. carbohydrates and fats 2. carbohydrates and proteins 3. fats and proteins 4. proteins and iron

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