Question

what is the correct answer of 4 and 5 question

Answer 1

Hello!

=> Fishes have nictiating membrane which helps them to see in water. so, answer is (c).

=> Animals specimens are stored in formalin. Formalin is Preservatives which helps to store dead animals specimens.

Thanks:)

Answer 2

Fishes can see in the water but not humans because of the presence of " Nititating membrane " which acts as a layer of protection and vision.

Hence, the answer of this question is Option ( C)

Animal specimens are stored in Formaldehyde. Formalin is a chemical which contacts 37% aqueous Formaldehyde. Hence, We can say Specimens are stored in Formalin. They are stored for further research.

Hence, The answer of this question is Option ( D) , Formalin .