Excretory Products and their Elimination — BIOLOGY STD 11 Science — Question

Mark the odd one in the following group. Iron, Boron, Manganese, Magnesium.

Name the only living component of xylem.

What is the multi-nucleated state in animal cells and plant cells called?

A pigeon and a cat were fed on a high protein diet. In what different forms, would they excrete their nitrogenous wastes?

Why are mesosomes present in bacterial cell, known to be equivalent to mitochondrion in eukaryotic cell.

What is the name of the first segment of earthworm and what does it contain?

Which same plant part has transformed into the following different modifications?

1. Tendril of pumpkin/ watermelon.
2. Thorn of Citrus/ Bougainvillea.

By which membrane do the testes adhered to the upper part of kidneys?

Blind spot in the eye is devoid of the ability of vision. Why is it so?

The alimentary canal, urinary bladder and reproductive tract open into one chamber, what is it called?