CBSE Class 10 Science Periodic Table VBQs

CBSE Class 10 Science VBQs - Periodic Table. Based on CBSE and NCERT guidelines. Value based questions are now being given in Class 10 Science exams to promote morals and values in students, Students should read and understand the following VBQs to get better understanding and score good marks in exams. Learn the VBQs and get good marks in exams.


Unit - Periodic Classification of Elements

Std – X

01. Aashish is a student of Class V. His class teacher gave him an assignment to write a review of any of the books written by Enid Blyton. He goes to the library but he was unable to locate anyone. He approaches the librarian for help. The librarian took him to one of the sections of the library and showed him many books of Enid Blyton.


   (i) What helped the librarian to locate the book easily ?


   (ii) Mention any two values that Aashish learnt 

(i) Value Points

     1. awareness about classification

     2. Application of knowledge.

     3. orderliness

02. Tanvi was reading the morning newspaper. She came across a new word. She wanted to know its meaning and the way it is pronounced. She refers the dictionary and was thrilled when her attempt was successful.


Which property of the dictionary helped her in locating the word easily? 


     (i) What values do you think that Tanvi has? 

Value Points

     1. Awareness about classification

     2. Application of knowledge.

03. A particular school has house matches after the assembly on every Wednesday . There would be utter chaos before the matches since each class is divided into different houses. The P.T.Master approached the Principal and got permission to allow the students to assemble housewise on Wednesdays.


What is the reason for chaos before the matches? Relate this to any one method of periodic classification of elements. 


What values can be imbibed from the P.T.Master’s  suggestion ? 

Value Points (any two)

    1. Need for change with time

    2. Capability to find alternative solution.

    3. Simplifying work

04. Mendeleev left some gaps in his periodic table and predicted the discovery of new elements. Even though it was a drawback he boldly presented his table.


What is your view about Mendleev’s decision? 1


List any any two values learnt from Mendleev ‘s decision 1

Value Points

1. Self - confidence

2. Courage to face situations.

05. The teacher was explaining the properties of elements, the types of bonding in the class. After that she asked the children the position they preferred in the periodic table if the choice is given as 14 th group or 18th group. Some chose14th and some18th.


       (i) Compare the properties of group 14 and group 18 elements.1/2+1/2


      (ii) Mention the value points for those who chose group 14 and group 18. 1+1

Value Points

Group 14 – sharing and caring, friendliness 

Group 18 - independent, staying calm and composed in all situations.

 Please refer to the link below for CBSE Class 10 Science VBQs - Periodic Table



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