Test Details

Reaching the Age of Adolescence,Sound

Mar 05, 9:18 PM

45 minutes

Mar 05, 10:03 PM

70.0 marks

MCQ

35 questions

Pankaj kumar yadav

Class Details

Maths

English

Maths

English

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Question Text

Question 2 :
The to and fro motion of an object is known as _______ motion.

Question 3 :
Does the voice of a woman has a higher frequency than that of a man ?

Question 5 :
Does the frequency of the voice of a child is higher than that of an adult?

Question 7 :
Unwanted or unpleasant sound is termed as music. True or False ?

Question 11 :
Voice of which of the following is likely to have minimum frequency?

Question 12 :
Loudness of sound is proportional to the square of the amplitude of the vibration producing the sound. State true or false.

Question 13 :
Fill in the blank: Loudness is determined by the ______ of vibration.

Question 14 :
An object is vibrating at 50 hertz. What is its time period?

Question 15 :
A pendulum oscillates 40 times in 4 seconds. Find its time period.

Question 19 :
Fill in the blank: Shrillness of a sound is determined by the _____ of vibration.

Question 20 :
We have a stringed musical instrument. The string is plucked in the middle first with a force of greater magnitude and then with a force of smaller magnitude. In which case would the instrument produce a louder sound?

Question 22 :
Name the hormone which would be released during the following situations: development of caterpillar to moth.

Question 24 :
Out of the following, which is the correct match for Secretes thyroxin

Question 25 :
State true or false. Sex hormones are chemical substances produced by sex organs.

Question 26 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d0edf59b460d7261f38e.png' /> From the above image, fill in the crossword puzzle using the following hint: Female hormone

Question 27 :
Name the hormone which would be released during the following situations: a frightened person.

Question 28 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d0ebf59b460d7261f38c.png' /> From the above image, fill in the crossword puzzle using the following hint: Secretion of endocrine glands

Question 29 :
Balanced diet is required to maintain a good health. TRUE or FALSE?

Question 31 :
The term used for chemical secretions of endocrine glands responsible for changes taking place in the body________

Question 32 :
Out of the following, which is the correct match for Protruding voice box in boys

Question 33 :
Choose the correct word for the given clue. Clue - Female hormone.

Question 35 :
State true or false. Menstruation is the process of the shedding of the uterine lining on a regular monthly basis.

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