11th Standard Syllabus & Materials

11th Standard

TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

11th Zoology - Tissue Level of Organisation Two Marks Questions

Published on: 26/09/2019

Zoology - Tissue Level of Organisation

Download Tamil Nadu 11th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

Questions + Answers key

Take MCQ Biology Test

QB365 Student Learing Managemnet System

Std: 11th Standard - Biology

chapter: - Model Question paper

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

Generic 2

10 x 2 = 20

What is a muscle tissue? What is its main function?

Mention the places where cartilage bones are located in the human body.

You are looking at a slide of a tissue through the compound microscope and you see striped branching cells that connect with one another. What type of muscle are you viewing?

What are the major functions of connective tissues?

Name the specialised connective tissue

How are muscles classified?

Name two auto immune connective tissue disorders.

Why blood is considered as a typical connective tissue?

Differentiate white adipose tissue from brown adipose tissue.

10.

Some epithelia are pseudostratified. What does this mean?

Visit QB365-SLMS - https://www.qb365.in/slms/

Answers Key:

Generic 2

10 x 2 = 20

Each muscle is made of many long, cylindrical fibres arranged in parallel arrays. These fibres are composed of numerous fine fibrils, called myofibrils. Muscle fibres contract (shorten) in response to stimulation, then relax (lengthen) and return to their uncontracted state in a coordinated fashion: In general, muscles play an active role in all the movements of the body.

Cartilage is present in the tip of nose, outer ear joints, ear pinna, between adjacent bones of the vertebral column, limbs and hands in adults.

Cardiac muscle (Muscular tissue).

Major functions of connective tissues are binding and support, protection, insulation and transportation of substances.

Cartilage, Bones and Blood

Skeletal muscle, Smooth muscle and Cardiac muscle

1. Rheumatoid Arthritis
2. Sjogren's syndrome

(i) Blood is a typical fluid connective tissue because it functions as the transport medium for the cardiovascular system.
(ii) Eg: Transport of nutrients and wastes and transport of respiratory gases throughout the body.

White Adipose Tissue	Brown Adipose Tissue
1. Tissue contains less mitochondria.	Tissue contains more mitochondria.
2. Stores nutrients	Converts fats into heat energy which heat the blood stream to warm the body.
3. No non-shivering thermogenesis.	Non-shivering thermogenesis.

10.

(i) Pseudo-stratified epithelial cells are columnar, but unequal in size. Although the epithelium is single layered yet it appears to be multi-layered because the nuclei lie at different levels in different cells.
(ii) Hence, it is also called pseudostratified epithelium and its functions are protection, secretion and absorption.
(iii) Ciliated forms line the trachea and the upper respiratory tract.
(iv) The non ciliated forms, line the epididymis, large ducts of a glands and tracts of male urethra