Chapter 11
Reproduction: How Life Continues
CBSE Class 9
Science Solutions
Educart Science class Class 9 NCERT Exemplar cover
Question:

Ravi suddenly notices that he is growing taller rapidly, his shoulders are broadening, and his voice cracks. What stage of life is he entering? [Pg. No. 222]

Answer: Verified

Ravi is entering adolescence (puberty). This stage is marked by rapid physical growth and the development of secondary sexual characteristics, such as broadening of shoulders and change in voice in boys.

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More NCERT Questions
In animals, which fertilisation method the gametes are more protected? [Pg. No. 218] If a couple uses oral contraceptive pills but not condoms, which risks remain and why? [Pg. No. 223] What protective devices can be used during sexual activity to reduce the spread of STIs? [Pg. No. 223] Rina's period occurs every 28 days. Her last period was on the 5th of March. On which day is she most likely to get her next period? [Pg. No. 222]