SSLC Biology Solution Chapter2 Windows of knowledge

Kerala Notes

October 04, 2022

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Board	SCERT, Kerala
Text Book	SCERT Based
Class	SSLC
Subject	Biology Solution
Chapter	Chapter 2
Chapter Name	Windows of knowledge
Category	Kerala SSLC

Kerala Syllabus SSLC Class 10 Biology Textbook Solution Chapter 2 Windows of knowledge

SSLC Biology Part I

Chapter 1: Sensations and Responses
Chapter 2: Windows of Knowledge
Chapter 3: Chemical messages for Homeostasis
Chapter 4: Keeping Diseases Away

SSLC Biology Part II

Chapter 5: Soldiers of Defense
Chapter 6: Unravelling Genetic Mysteries
Chapter 7: Genetics of the Future
Chapter 8: The Paths Traversed by Life

Chapter 2 Windows of knowledge Textbook Solution

Let us Assess

Qn 1.

When we view nearby objects,

Ciliary muscles relax
curvature of lens decreases
Ciliary muscles contract
Focal length increases

Answer)
c) Ciliary muscles contract

Qn 2.

Identify the odd one and write down the common features of others.

Malleus, Eustachian tube, Stapes, Incus

Answer)
Eustachian Tube. Others are ear ossicles.

Qn 3.

Copy the figure. Identify the parts according to the hints and label them.

The part where the muscles that regulate the size of the pupil are seen
Jelly like fluid.
The layer of eye where photo receptors are seen.

Answer)
1. Iris
2. Vitreous
3. Retina

Qn 4.

Figure of Ear is given. Redraw it and name and label the parts mentioned.

Part that receives the vibrations of the ear drum.
The tube that connects the pharynx.
Part where the auditory receptors are seen.

Answer)
1. Tympanic Membrane
2. Eustachian tube
3. cochlea