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Science Quiz #679

Science and Nature Quiz for 19 January 2022

A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

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1

What is unusual about the skeletons of sharks, skates and rays?

A
They have 20 vestigial "toe bones"
B
The spine is extra flexible
C
They have 50% more bones than other fish
D
They have no bones
Select from the options above.
2

The chayote, also known as chuchu, sayote, tayota, choko, chocho, chow-chow, christophene and mirliton, is a type of what?

A
Edible plant
B
Short-tailed monkey
C
Poisonous fish
D
Wilddog
Select from the options above.
3

Respiration in many arachnids is through book lungs, which are generally situated where?

A
In a pocket on the underside of the abdomen
B
On the sides of the torso
C
In pockets on the side of the head
D
In a pocket beside the spinnerets or tail
Select from the options above.
4

Which vehicle maker has marketed models called Transit, KA, Focus, Fiesta, Laser and Falcon?

A
Toyota
B
Volkswagen
C
Peugeot
D
Ford
Select from the options above.
5

The Manchester Small-Scale Experimental Machine, built by Frederic C. Williams, Tom Kilburn & Geoff Tootill that first ran on 21 June 1948, was an early form of what?

A
Mobile telephone
B
Computer
C
Dishwasher
D
Space rocket
Select from the options above.
6

Which of these is part of a television set?

A
Hard drive
B
Differential
C
Cavity magnetron
D
Receiver
Select from the options above.
7

What apart from the skull-like pattern on its back is unusual about a death's-head hawkmoth?

A
It can squeak, or chirp
B
It flies during monsoons
C
It sometimes hitches a ride on a small bird
D
Its lifespan can be longer than 30 months
Select from the options above.
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