Question

Q.2.Write 'T' for true and 'F' for false statements:
(a).The forces of attraction in gases molecules are very weak.
(b). Eyeballs protect the eyes from dust.
(c).The nerves that connects nose to the brain is called olfactory nerve.​

Answer 1

Answer:

A) True

B) False

C) True

Explanation:

A) Intermolecular forces are weaker attractions that hold molecules or noble gas particles close together when they are in a liquid or solid form. Gas particles have broken away from the intermolecular forces that hold liquids and solids together. An alternative name for intermolecular forces is the van der Waals forces.

B) The visible part of the eye is protected by the eyelids and the eyelashes, which help keep dirt, dust, and even harmful bright light out of the eye. Eyes are also protected by tears, which moisten them and clean out dirt, dust, and other irritants that get past the defenses of the eyelashes and eyelids.

C) The olfactory nerve is typically considered the first cranial nerve, or simply CN I, that contains sensory nerve fibers relating to the sense of smell. The afferent nerve fibers of the olfactory receptor neurons transmit nerve impulses about odors to the central nervous system (olfaction).

Answer 2

(a) true

(b) false

(c) true

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