Biology Urdu Medium 9th Class Chapter 5(Cell Cycle)Online Short questions with Answers Preparation

Question # 1

Define Homeostasis and its importnace.

Ans 1: Introduction :
The organs and organ systems of the body work in coordination to maintain a stable internal environement. It is called homeostasis.Homeostasis is defined as the body's ability to maintain a stable internal environment despite the changes in the external environemnt
Example:
Examples of homeostasis include regulating the temperature, blood pressure, bllood sugar, and pH levels.

Question # 2

How different tissues form stomach.

Ans 1: i. Stomcah is an orga specialized for the disgestion of proteins and storing food
ii. Stomach has:
a) Epithelial tissues which secrete the gastric juice.
b) Mucular tissue swhich perform contractions of stomach walls for grinding of food, mixing enxyme with food and moving food to posterior end.

Question # 3

Difference between the following:
i. Tissue and organ

Ans 1: Tissue:
In multicellular organism. cells make tissue. A tissue is a group of similar cells that work together to perform one or more specific functions.
Example: Muscle tissue, epithelial tissue.
Ans 2: Organ: An organ is a structur emade up of related tissues working together to perform specific function.
Example: Stomach, heart and kidney

Question # 4

What is tissue level? Give one example.

Ans 1: A group of similar or differente types of cells peforming same function e.g. xylem and phloem in plants, ar ecomposed of different cells while nerous tissues are composed of same type of cells.

Question # 5

What is a tissue level?

Ans 1: Introduction:
In multicellular organisms, cells make tissues. A tissue is a group of similar cells that work together to perform one or more specific functions.
Example:
In animals:
Epithelial tissue- covers body surfaces and lines cavities e.g. skin
Muscle tissue-enables movement e.g. cardiac muscle in the heart.
In Plant:
Epidermal tissue-Protects the underlying parts e.g. epidermis of leaf
Vascular tissue-Transports water and nutrients e.g. xylem and phloem.

Question # 6

What is the role of shoot systme in Plants.

Ans 1: The shoot system consists of two portiions. the vegetative parts of the plant. such as the leaves and the stems. and the reproductive parts of the platn, which include flowers and fruits. The shoot system generally grows above ground, where it absorbes thelight needed for photosynthesis.

Question # 7

Define Atom

Ans 1: Atoms are teh smallest unit of matter that maintain the property of an element.
Example: Carbon, Hydrogen and Oxygen etc.

Question # 8

Palisade and spongy mesophyll

Ans 1: Palisade Mesophyll:
It is located just beneath the upper epidermis
It consists oftighty packed elongated cells.
Their cells are rich with chloroplasts and has major role in photosynthesis
Ans 2: Spongy MesophyII:
It is presnet below the palisade mesophyII
It is composed of loosely arranged cells with air spaces between them.
These air spaces facukutate tge duffysuib if gases throughout the leaf.

Question # 9

Define Molecule

Ans 1: Atom combine to form moleculs which cna have entirely different properti thant he atoms they contain.
Example:
Water, protein and nucleic acid etc.

Question # 10

Define Cell

Ans 1: When organelles assemble and interract with each other, they make cell-the smallest unti with characteristics of life. They can carry out life activities and can also reproduce.
Example: Unicellular organismsm are made of only one cell while multicellular organisms are made of many cells.

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Online Short Questions For Chapter 5 "9th Class Biology Urdu Medium Chapter 5 Preparation "

Biology (New Book) - 9th Class Biology Urdu Medium Chapter 5 Preparation

Define Homeostasis and its importnace.

How different tissues form stomach.

Difference between the following:i. Tissue and organ

What is tissue level? Give one example.

What is a tissue level?

What is the role of shoot systme in Plants.

Define Atom

Palisade and spongy mesophyll

Define Molecule

Define Cell

Prepare Complete Set Wise Questions For Chapter 5 "9th Class Biology Urdu Medium Chapter 5 Preparation "

Set 1

Set 2

9th Class Biology Urdu Medium Chapter 5 Preparation - Set 1

Define Homeostasis and its importnace.

How different tissues form stomach.

Difference between the following:i. Tissue and organ

What is tissue level? Give one example.

What is a tissue level?

What is the role of shoot systme in Plants.

Define Atom

Palisade and spongy mesophyll

Define Molecule

Define Cell

9th Class Biology Urdu Medium Chapter 5 Preparation - Set 2

Enlist the level of organization form cells to organ systems.

What is the role of shoot systme in Plants.

How do the smooth muscles contribute to the stomach's functin.

Difference between Epidermal and mesophyll tissue.

Difference between Root system and Shoot system

Define Homeostasis and its importnace.

What is organ system? Give examples.

What is the function of the palisade mesophyll in the leaf.

Define Cell

A cell works as an open system. Comment on it.

9th Biology Urdu Medium Chapter 5 Preperation

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Difference between the following:
i. Tissue and organ

Difference between the following:
i. Tissue and organ