2111Every Day ScienceMedium
Which animal has no vocal chords ?
AZebra
MCQs
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Correct answer
B. Giraffes
Explanation
Giraffes do have a larynx (voice box), but perhaps they couldn’t produce sufficient airflow through their 13-foot long (4 meter) trachea to vibrate their vocal folds and make noises. The researchers suspected the reason no one heard giraffe communication was because the sound frequency was too low for humans to hear.
Correct answer
A. Communicate
Explanation
Aphasia is a disorder that affects how you communicate. It can impact your speech, as well as the way you write and understand both spoken and written language. Aphasia usually happens suddenly after a stroke or a head injury.
Correct answer
A. Secretin
Explanation
Secretin is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. 21 June
Explanation
21 June is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Beriberi
Explanation
Beriberi is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Animals
Explanation
Animals is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Methane
Explanation
The correct answer is Methane. Biogas is consists of Methane, Hydrogen, Carbon dioxide. Methane is the Main Constituent of Gobar gas or Biogas.
Correct answer
A. Crocodile
Explanation
Crocodile is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. ultra-violet radiation
Explanation
ultra-violet radiation is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. Increase
Explanation
Sugar is a non-volatile solute. Adding sugar to water will raise the boiling point and decrease the freezing point of water.