PART - 2 - Unit V : CH - 16 Excretory Products and Their Elimination — BIOLOGY STD 11 Science — Question

What is the main difference between chordates and non-chordate?

How is clinical assessment of pulmonary function done?

What is the shape of setae in earthworm?

Which hormonal deficiency is responsible for the following:
Goitre.

ATPase enzyme consists of two parts. What are those parts? How are they arranged in the thylakoid membrane? Conformational change occurs in which part of the enzyme?

Give the name of the site of actual diffusion of 0₂ and CO₂.

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

Substance W is a chemical that inhibits spindle formation during cell division. If a meristematic sd plant cell were exposed to substance W, which BU process will not be able to occur in that plant cell?

Why are muscles rigidly locked in whatever position they are after death? What is the phenomenon known as?

Mitral valve, tricuspid valve, A-V valve, Venous valve.