Question 2 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d067f59b460d7261f2e4.PNG' />
In the above image, two boys A and B are shown applying force on a block. If the block moves towards the right, which one of the following statements is correct?
Question 3 :
A girl is pushing a box towards east direction. In which direction should her friend push the box so that it moves faster in the same direction?
Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d06df59b460d7261f2eb.PNG' />
In the above image, a man with a parachute is shown. Will he come down with the same speed without the parachute?
Question 6 :
A white blood cell (WBC) in human blood is another example of _____________which can change its shape
Question 8 :
Various other components, or organelles, of cells are present in the cytoplasm. These are _______
Question 11 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d04bf59b460d7261f2c1.PNG' />
In the above image two columns are shown. Match column I with column II.
Question 15 :
State whether true of false, “Unicellular organisms do not respire, only multicellular organisms respire”
Question 16 :
A girl becomes pregnant if she looks at boys during menstruation. Is this a myth?
Question 17 :
X and Y chromosomes are known as sex chromosomes. TRUE or FALSE?
Question 19 :
Which of the following changes is/are observed in girls during adolescence?
Question 20 :
AIDS can spread from an infected person to another person through _____.
Question 22 :
Puberty ends when an adolescent reaches reproductive maturity. TRUE or FALSE?
Question 23 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d0f2f59b460d7261f394.png' />
From the above image, fill in the crossword puzzle using the following hint: Changes at adolescence constitute