9th Standard Syllabus & Materials
9th Standard
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NEW9th Standard
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NEW9th Standard
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NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - родрпКроЯроХрпНроХроХро╛ро▓родрпН родрооро┐ро┤рпНроЪрпН роЪроорпВроХроорпБроорпН рокрогрпНрокро╛роЯрпБроорпНроорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - Early Tamil Society and Culture Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
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NEW9th Standard
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Published on: 07/12/2019
Organ Systems in Animals
Download Tamil Nadu 9th Standard Science 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 Science Test1.
Can you guess why there are sweat glands on the palm of our hands and the soles of our feet?
2.
Why your doctor advises you to drink plenty of water?
3.
Why do you think that urine analysis is an important part of medical diagnosis?
4.
Gastric glands do not secrete__________
renin
pepsin
lipase
none of the above
5.
The act of bringing swallowed food back to the mouth is called___________
egestion
ingestion
micturition
regurgitation
6.
Curdling of milk protein is done by___________
pepsin
rennin
lipase
maltase
7.
Lysozyme is seen in_______
gastric juice
intestinal juice
Bile
saliva
8.
In the dental formula \(\cfrac { 2 }{ 2 } ,\cfrac { 1 }{ 1 } ,\cfrac { 2 }{ 2 } ,\cfrac { 3 }{ 3 } \)refers to__________
incisors
molas
premolars
cantne
9.
What is succus entericus?
10.
What are Islets of Langerhans?
11.
Name the bile pigments.
12.
Name the bile salts.
13.
What is chyme?
14.
List the function of the liver
15.
Draw a chart to show the various enzymes produced during digestion is our body and their action
16.
What is homeostasis
17.
Skin is considered to be an excretory organ - Justify.
1.
1. Yes, It maintain the body temperature.
2. It maintain the highest concentration
3. At the emotional time, and sympathetic time it will secrete sweat.
4. So, maintain the temperature, concentration, emotional, sympathetic are solved by this sweat glands.
2.
Water helps energize muscle cells that don't maintain their balance of fluids and electrolytes shrivel, which can result in muscle fatigue. When muscle cells don't have adequate fluids that work as well and performance can suffer. Then kidney stone is formed. So the doctor advised to drink plenty of water.
3.
Urine analysis is used to detect and manage a wide range of disorder such as urinay tract infections, kidney disease and diabetes. Abnormal condition results may point to a disease or illness. So to identify the nature of urine to protect themselves, urine analysis is done. It is an important part of medical diagnosis.
4.
(c)
lipase
5.
(d)
regurgitation
6.
(b)
rennin
7.
(d)
saliva
8.
(b)
molas
9.
The intestinal glands secrete intestinal juice called succus entericus which contains enzymes like maltase, lactase, sucrase, lipase etc.
10.
The endocrine cells of the pancreas are known as Islets of Langerhans and they produced the hormones - Insulin and glucagon.
11.
Bilirubin and Biliviridin
12.
Sodium glycolate and sodium tauraglycolate
13.
The action of the gastric juice and churning of food in the stomach convert thebolus into a semi digested food called chyme
14.
(i) Synthesizes foetal red blood cells.
(ii) Produces fibrinogen and prothrombin, used for clotting of blood.
(iii) Destroys red blood cells.
(iv) Stores iron, copper, vitamins A and D.
(v) Produces heparin (an anticoagulant).
(vi) Excretes toxic and metallic poisons.
(vii) Detoxifies substances including drugs and alcohol.
15.
| Digestive glands | Enzymes | Substrate (nutrient) | Product of digestion |
| Salivary glands | Ptyalin (Salivary amylase) | Starch | Maltose |
| Gastric glands | Pepsin | Proteins | Peptones |
| Rennin (in infants) | Milk protein or caseinogen | Curdles milk to Peptides casein amino acids | |
| Pancreas | Pancreatic amylase | Starch | Maltose |
| Trypsin | Proteins and peptones | Peptides and amino acids | |
| Chymotrypsin | Protein | Proteoses, Peptones Polypeptide, tri and dipepetides | |
| Pancreatic lipase | Emulsified fats | Fatty acids and Glycerol | |
| Intestinal glands | Maltase | Maltose | Glucose and Glucose |
| Lactase | Lactose | Glucose and Galactose | |
| Sucrase | Sucrose | Glucose and Fructose | |
| Lipase | Fats | Fatty acids and Glycerol |
16.
The tendency of the body to seek and maintain a balance condition or equilibrium within its internal environment, even when faced with external challenges is called homeostasis
17.
Skin eliminates metabolic wastes through perspiration. Hence it has an excretory role also.
9th Standard Syllabus & Materials
9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - рокрогрпНроЯрпИроп роиро╛роХро░ро┐роХроЩрпНроХро│рпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - Ancient . Civilisations Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - рокрпБро░роЯрпНроЪро┐роХро│ро┐ройрпН роХро╛ро▓роорпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - The Age of Revolutions Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
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NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - роЖроЪро┐роп роЖрокрпНрокро┐ро░ро┐роХрпНроХ роиро╛роЯрпБроХро│ро┐ро▓рпН роХро╛ро▓ройро┐ропро╛родро┐роХрпНроХроорпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - Colonialism in Asia and Africa Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
