Question 1

Dinosaurs are reptiles that existed for a very long time. Which era did these organisms evolve?

Accepted Answer

Cenozoic Era

Answer

Mesozoic Era

Answer

Paleozoic Era

Answer

Proterozoic Era

Question 2

What are called the remains of living organism used in understanding the history of life on earth?

Accepted Answer

fossils

Answer

shells

Answer

bones

Answer

seeds

Question 3

Which of the following are proteins that fight off diseases?

Accepted Answer

antibodies

Answer

antigens

Answer

memory cells

Answer

B-cells

Question 4

Which of the following is/are involved in sexual reproduction?

Accepted Answer

both egg and sperm cell

Answer

sperm cell

Answer

uterus

Answer

egg cell

Question 5

It is characterized as having two reproductive system in one organism.

Accepted Answer

hermaphroditism

Answer

dual gender

Answer

bisexual

Answer

sequential hermaphroditism

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