Tissues — Science STD 9 — Question

Mitochondrial crisate form a large surface area for ________ generation reactions.

Tube feet are the __________ organs of echinoderms.

Fill in the following blanks with suitable words:
The gases of air can be separated by fractional distillation of liquid air because they have different ___________.

Fill in the blanks with suitable words: Displacement is a _________ quantity whereas distance is a _________ quantity.

___________ is a phylum of spiny skinned marine nonchordates.

Fill in the following blanks with suitable word:
In order to sink in a fluid, the density of an object must be _____ than the ______ of the fluid.

Fill in the following blanks: A mole represents an ____________ number of particles of a substance.

Fill in the blanks: __________ disease continues for a few days and causes no longer term effect on body.

Function of mitochondria is ________ production.

Fill in the following blanks with suitable word:
A heavy ship floats in water because its ______ density is less than that of water.