REVISION MY BODY

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 collected in the ……………………. Of digestive system.
Xiv) The wall of large intestine absorb ………………….. From undigested food.
xv) One should drink ……………… glass of water every day to keep him or herself healthy.
xvi)Unwashed  fruits and vegetable carry  ………………….. diseases.
xvii) …………….. Makes the soft and digestible before digestion.
Q4.Write total number of following organs
i) incisor               ii) Molar               iii) Liver                 iV) tongue           v) Milk teeth   vi) Permanent teeth 
Q5.Express in word
HW dt.1.9.17
1)      Draw the label diagram of human tongue.
2)         Draw the label diagram  of human digestive system
How can you protect your teeth?

Comments

Post a Comment

Popular posts from this blog

question bank

                                                            QUESTION BANK (TERM-2)                                                 STANDARD-IV    SUB-SCIENCE Q1) Fill in the blanks                                                  [1 mark each] a)       Our body makes vitamin-D in the presence of___________. b)       A bee-hive consists of many six-sided chambers called___________. c)        The silk moth weaves a cover around itself know as_____________. d)       Lac insects usually a grow on ____________trees. e)       Dengue is spread by the ____________ mosquitoes. f)        _______ gram of Fat gives about 18 kilocalories of energy. g)       We need vitamin _________ for good eye-sight. h)       Red colour pigment present in our blood is know as__________. i)         ____________is required for normal growth and development of the body. j)         A sting is located at the _________ of the insect. k)       Water which is clean and fit for drinking is c
Read more

class iv science birds beak and claws

BIRDS –BEAKS AND  CLAWS D1. Ans: Birds  use their beaks for preening their feather. D2.How is a crushing beak helpful to a pigeon? Ans:A crushing  beak is a short and hard beak.It helps the pigeon for crushing seeds and grains .so that the seeds will soft for eating. D3.What are claws? Ans: Claws are the long curved nails present on the feet of birds. D4.Name three birds of prey. Ans: Eagle, vulture and hawk are examples three birds of prey. D5.What prevents the body of  crane and jacana from sinking in water? Ans:The wide spreading toes of crane & jacana help them from sinking in water. E1.Write two main uses of a beak of a bird. Ans.Two main uses of beaks of a bird are: i)Beaks of birds are used for tearing, biting or  crushing the foods . ii)beaks of birds also help to fight the enemy or catch the prey. E2.How  claws helpful to a bird? Ans: Claws help a bird for climbing, protecting, holding food, swimming and perching. E3.How does a swallow c
Read more

Term --II Examination Practice Paper

D.A.V. PUBLIC SCHOOL, CHANDRASEKHARPUR, BHUBANESWAR Term –II Examination (2018-19) Practice Paper SUB:   SCIENCE TIME:2Hrs                               CLASS-IV           FULL MARKS:50 General Instructions: Ø This question paper contains three sections and 9 questions. Section ‘A’contains 1 mark questions   Section ‘B’contains 2 mark questions     Section ‘C’contains   3 mark questions and 4 mark questions. Ø Attempt all the questions. Ø Read the questions thoroughly. Ø Write in legible handwriting. Ø Verify the answers before submission of answer sheet. Ø Marks are indicated in right side. Section –A 1. Choose the most appropriate answer.                                                         (1×5=5)       i)It is not responsible for the shortage of water-    a) Rapid growth of industries b) Increase in population    c) Heavy rainfall      d) Mismanagement of water resources. ii) The insect, that helps in pollination is the-   
Read more