A) Cryptogams
B) Horsetails
C) Ferns
D) None of these
Everyday Science
Which enzyme is secreted by the salivary gland?
A) Enzyme
B) Protease
C) None of these
D) Ptyalin
A ball thrown vertically upward has what velocity at the highest point?
A) 20 m/s
B) 25 m/s
C) 39 m/s
D) Zero
The very first cloned animal in Scotland was a?
A) Elephant
B) Monkey
C) Sheep
D) Rabbit
Who is credited with the invention of the lightning rod?
A) Nikola Tesla
B) Benjamin Franklin
C) Galileo Galilei
D) Marie Curie
