Everyday Science Mcqs

Which animal has no vocal chords ?

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Which animal has no vocal chords ?

A. Lion
B. Zebra
C. Dolphin
D. Giraffes

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.

Stripes on each side of “Grévy’s Zebra” is about_________?

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Stripes on each side of “Grévy’s Zebra” is about_________?

A. 20+
B. 30+
C. 80+
D. 36+

There are three different types of zebra, and each type has a specific set of qualities that sets them apart from others:
Plains zebra – Also known as the common zebra, it is the most geographically widespread species of zebra. On average, each plains zebra will have roughly 26 stripes per side.
Mountain zebra – This is a threatened species, and is native to south-western Angola, Namibia, and South Africa. On average, each mountain zebra will have approximately 43 stripes per side.
Grevy’s zebra – Also known as the imperial zebra, this species is the most endangered of all zebra. The Grevy’s zebra is native to Kenya and Ethiopia. On average, each Grevy’s zebra will have around 80 stripes per side.

A bird that can fly backwards?

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A bird that can fly backwards?

A. Bat
B. Humming Bird
C. Crimson Sun Bird
D. Cardinal Bird

hummingbird which move back slightly include flycatchers, warblers, egrets and herons using the fluttering method. The only bird which can fly backwards and forward without relying on the wind is the hummingbird.