PERIODIC TEST (Based on chapters 9 to 12)
S N Jha Science Solutions for Exercise - PERIODIC TEST (Based on chapters 9 to 12)
Simple step-by-step solutions to PERIODIC TEST (Based on chapters 9 to 12) questions of Periodic Test (Based on Chapters 9 to 12) from Science Success. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from PERIODIC TEST (Based on chapters 9 to 12) with Hints & Solutions
The process of eliminating wastes from our body is _____.
Match the columns:
| Column A | Column B |
| Activity | Result |
| a. Iodine, leaf | (i) Test for oscillatory motion |
| b. Measuring tape, pencil, book | (ii) Make torch at home |
| c. A stone, thread | (iii) Measuring the length |
| d. A torch and cardboard screen | (iv) Formation of shadow |
| e. Wire, torch bulb, cell, cellotape | (v) To test for starch |
Why can we not use a pace or footstep as a standard unit of length?
What is the importance of stomata for plants?
How are animals adapted to survive in the polar region?
Identify where are the habitats of the polar bear and the penguin. For each animal, describe two ways in which it is well adapted to its habitat.
Roll the ball on the floor of your room. Mark the points where the ball started and where it stopped. Show also the path it moved along. Did the ball move along a straight line? Give reason in support of your answer.
Opaque objects cast their shadows. Now if you hold a transparent object in the sun. Do you see anything on the ground that gives you a hint that you are holding something in your hand? Give reason in support of your answer.
