NCERT solutions for हेल्थ अँड फिजिकल एड्युकेशन [इंग्रजी] इयत्ता १० chapter 3 - Growth and Development during Adolescence [Latest edition]

Identify the secondary sexual characteristics of adolescence during 10 to 19 years in the given table. Fill the following table by putting a tick mark (✓) at appropriate place in each column.

Some psychological changes that occur in an adolescent are mentioned here. Write one or two sentences regarding them from your own experience. You may quote incidents involving others of your age.

• Developing a sense of identity.
• Distancing from parents.
• Closeness with peers.
• Curiosity for gaining knowledge.
• Experimentation

Read the case study given below. Think and answer the questions that follow.

Rahul's grandmother and Sangeeta's grandmother were great friends. When Rahul grew up, his grandmother would often ask him to drop Sangeeta at her home. As a result Rahul and Sangeeta developed a liking for each other. When Sangeeta turned sixteen, the grandmothers insisted that Rahul and Sangeeta be married off as they were developing a relationship and that people would talk about it. Rahul was in college and Sangeeta had yet to finish school when they got married. After six months Sangeeta discovered that she was pregnant. Sangeeta was sad as she had dreams of pursuing higher studies and a career.

1. Were Rahul and Sangeeta right in agreeing to get married? Give reasons for your answer.
2. Do you think the adverse consequence of teenage marriage was greater on Sangeeta than on Rahul? Give reasons for your answer.
3. What would you have done, if you were in Rahul or Sangeeta's situation?

Measuring mid-arm Circumference

Biceps is the muscle of mid arm.

Place the beginning of the tapes in the middle of the biceps (midway between shoulder and elbow joint) take the reading and record it. When you do this in a group, record the circumference of all the students of the group and observe the variation.

Fig. 3.2: Measuring mid-arm circumference

Measuring height

Take your own height at intervals as you grow. You have learnt that your height at age 19 is almost the maximum height that you shall attain. Do this with your friends and try to figure out the reasons for variations. You need only an inch tape for this.

Go to a clinic or any medical practitioner and see the working of the Sphygmomanometer. Collect data from persons where BP is checked. Analyse the variations and the reasons.

At the exit gate of Nehru Place Metro Station in New Delhi, there is a provision for measuring height and weight and also to calculate BMI for 10 rupees. Find out where else measurement of BMI is available. Do you have this in your school?

• My Height =
• My Weight =
• My BMI =

Normal, Overweight, obese. Tick whichever is relevant

Childhood is ______.

Adolescence is ______.

Five changes occurring in boys and girls during adolescence are ______, ______, ______, ______and ______.

Proper hygiene should be practised during adolescence.

Wet dream is a normal phenomenon.

Government is supporting schemes for promoting menstrual hygiene among adolescent girls.

The adolescents begin to be extremely conscious of their physical appearance once secondary sexual characteristics begin to develop.

The adolescents begin to develop a strong sense of identity due to increased mental development.

Early pregnancy may end in damaged reproductive tract in girls.

Physical growth spurt during adolescence is embarrassing.

Change of voice in boys is a sign of adolescence.

What are the health and educational implications of adolescent pregnancy?

Write down the process of the mid-arm circumference

Write down the process of the measurement of height.

Write down the process of the body mass index.

Write down the process of the tongue examination.

Write down the process of the examination the nail beds.

Write a short note on pharmacology.