Biology — Test 48

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Question 1

Cell wall is richly impregnated with silica in__________?

Question 2

The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in__________?

Question 3

Unlike other algae, diatoms do not readily decay due to___________?

Question 4

Centric discoid form of diatoms is__________?

Question 5

Microfossile often present in petroleum producing formationsare those of__________?

Question 6

Which of the following diseases induce immunity?

Question 7

Which one of the following organisms can serve as a biofertilizer for rice crop?

Question 8

“Athlete’s Foot” is a disease caused by_________?

Question 9

Epiphytes are plants which depend on other plants for________?

Question 10

A line on map connecting places that receives equal solar radiation is called:________?