Chapter 1 Science Class 4: Questions 14,15,16,17,18,19 PTBB Pakistan

  "Characteristics and Life Process Of Organisms"

SLO's Topics covered in questions.

Chapter 1 Science Class 4: Questions and Answers PTBB Pakistan

 'Response  Questions'

Question:14

Identify major parts and organs in animals(teeth, bones ,heart ,stomach ,muscles and brain)

Identify major parts and organs in animals(teeth, bones ,heart ,stomach ,muscles and brain)

Answer:

Teeth:

Teeth can break food into small pieces.

Bones:

Most bones are hard. Bones are different in sizes and shapes. All bones are united with one another at joints.

Heart:

The heart is surrounded by the ribs. It beats all the time. It works like the pump. It's function to pump blood all over the body through blood vessels.

Stomach:

The stomach is a bag like organ. It is present at the right side of the heart. It is a part of digestive track. The muscles of the stomach grinds the food and digestive juice digests the food.

Muscles:

Muscles are present in various parts of body. Muscles are pink or red in color and soft to touch. Muscles work with bones and joints to move body parts.

Brain:

It is most important part of a body. It is present in our skull. It controls all the functions of our body. It collects information from all parts of body.

Question:15

Identify parts of plants body(leaves, stem, flowers, seeds, roots)?

Answer:

Identify parts of plants body(leaves, stem, flowers, seeds, roots)?

Question:16

Why are plants essential?

Answer:

Plants are source of oxygen, food, shelter, fuel, furniture, medicines and house for birds and animals.

Question:17

How can we differentiate between plants and animals?

Answer:

differentiate between plants and animals?

Question:18

How do leaves get water?

Answer:

Water is absorbed by roots from the soil and is transported to leaves through leaves.