DAV SCIENCE CLASS IV

Q.1. Fill in the blanks i)         ……roots have branches ii)        Special roots come out ……………of a banyan tree. iii)      leaf has ………………..to prepare food iv)      …………………are found in cereals v)       In mangrove plant do not get sufficient……………….  in the marshy area. vi)      Reckless cutting of trees is called ………………. vii)    Roots absorb ………………. and …………… for the plant . Q.2. Choose the most appropriate answer (MCQ) i) Which of the following plants has edible root? (a)Rice      (b) Banyans   c) Radish        d) Mangrove ii) Which of the following plants has tap root? (a)Rice      (b) Banyans   c) Grass         d) Mangrove iii) Which of the following plants has...

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Revision Chapter My Body Q1. What are the different types teeth found in our mouth .Write the function of each tooth? Q2. What are the functions of tongue? Q3.Fill in the blanks with correct answer. i) Teeth begin to appear in a baby when the baby is about ………………… month. ii) Between the age …………………. & …………………. the milk teeth fall out one by one. iii) Permanent teeth are ……………. In number iv)The outer covering of teeth is known as………………… V)………………………is the strongest muscle of our body. vi) Food item rich in calcium are good for ………………& ………………… vii)If sugar and bacteria are left  for long in mouth they can cause ……………….. viii) Salivary glands are …………………in number. ix)…………………converts insoluble starch into soluble sugar in human body. x)……………….. is the largest gland  of our body. xi) …………………… caries the digested food to all parts of the body. Xii) Liver and pancreas pour their juices to …………………………. xiii) The undigested semi solid waste are...