Question

Match the following and choose the correct option :
$\begin{array}{cc}\text{A. Earthworms}& \text{1. Malpighian tubules.}\\ \text{B. Human beings}& \text{2. Nephridia}\\ \text{C.}Planaria& \text{3. Kidneys}\\ \text{D. Cockroach}& \text{4. Flame cells}\end{array}$

• A. A-4, B-3, C-2, D-1
• B. A-1, B-3, C-2, D-4
• C. A-2, B-3, C-4, D-1
• D. A-3,B-1, C-2, D-4

Answer 1

The correct option is C A-2, B-3, C-4, D-1

The cells of segmented worms, such as earthworms, produce urea and sometimes ammonia that is excreted through long tubules called nephridia.
Human beings are ureotelic animals. They excrete mainly urea which is eliminated by urine through kidneys.
Cockroaches produce uric acid that is excreted through Malpighian tubules.
Planaria belongs to the phylum Platyhelminthes. They excrete nitrogenous wastes using flame cells.