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

Question # 1

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 # 2

Define organelles with example

Ans 1: An enormous number of biomolecules become associated in a particular way and form organelles. The orgnelles are actually sub cellular structures. e.g. mitochondira ribosomes etc.

Question # 3

Difference between Epidermal and mesophyll tissue.

Ans 1: Epidermal Tissue:
The outermost layer of leaf is made of epidermal tissue
The upper epidermis is usually covered by waxy cuticle which reduce water loss and provides protection
The lower epidermis oftern contains guard cels.Two guard cells enclose a Stoma whcih are tiny pores that regulate gas exchagne and water vapour loss.
Ans 2: Mesphyll tissue:
This tissue lies between the upper and lower epidermis
It consists of cells rich in chloroplasts
It is the site of photosynthesis it is divided into two distinct regions palisade mesophyll and spongy mesophyll

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

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

Ans 1: A cell works as a open system i.e. it takes in substance needed for its metabolic activities through its cell membrane. It takes up food. oxygen , water and salts for survival, growth and division, and eneryg for metabolic process. Products and by -products ar eformed in metabolism cell either utilizes the products or transport them to other cells. The by products are either stored or are excreted out of cell.

Question # 6

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 # 7

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.

Question # 8

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 # 9

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 # 10

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

Ans 1: The smooth muscle in the stomach is primarity responsible for.
1. Churnign and mixing food with stomach acid
ii. Producing chyme by contracting and relexing in a coordinated manner which helps with digestion and peropels the partially digested food into the small intestine through a process called peristalsis.
iii. It facilitates the movement and mechanical breakdown of food within the stomach.

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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

How different tissues form stomach.

Define organelles with example

Difference between Epidermal and mesophyll tissue.

What is tissue level? Give one example.

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

Define Molecule

Define Cell

Difference between the following:i. Tissue and organ

What is a tissue level?

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

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

How different tissues form stomach.

Define organelles with example

Difference between Epidermal and mesophyll tissue.

What is tissue level? Give one example.

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

Define Molecule

Define Cell

Difference between the following:i. Tissue and organ

What is a tissue level?

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

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

What is tissue level? Give one example.

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

Enlist the level of organization form cells to organ systems.

Difference between Epidermal and mesophyll tissue.

Define Atom

How different tissues form stomach.

Difference between the following:i. Tissue and organ

Define Cell

Define Homeostasis and its importnace.

Define Orgenelle

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

Difference between the following:
i. Tissue and organ