Chapter 01 


Classification of Living Organisms,

 science, class 5,

 Questions 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 PTBB, Pakistan 2023  SLO's Topics covered in questions


Question: 1

Can you classify organisms around you?

Answer:

Yes

Question: 2

Are the flowering plants different from each other?

Answer:

Yes, flowering plants are different from each other.

Question: 3

Why is the protection of organisms necessary for the existence of the world?

Answer:

Biodiversity sustains life and existence of the world.


Question: 4

Describe the classification of organisms and its importance?

Answer:

 Classification of organisms:

To put organisms( living things) into separate groups on the basis of similarities and differences is called classification.

Importance Of  Classification:

Due to classification, we can determine the similarities and differences among organisms. Due to the structure and other characteristics of organisms, we can identify and study them. We can also know the relationship among organisms.

 Question: 5

Classify the plants into two groups(monocots and dicots) and give example of each group?

Answer:

Monocot Plants

The flowering plants whose seeds have one cotyledon are called monocot plants. Sugarcane, wheat, rice, bamboo and maize are the examples of monocot plants.

Dicot Plants:

The flowering plants whose seeds have two cotyledons are called Dicot plants. Mango, guava, rose and pea, etc. are the examples of dicot plants.

Question: 6

Compare the structure of a monocot and dicot plants ( with respect to their seeds, leaves and flowers).

Answer:

Seeds:

Monocot seeds have only one cotyledon and dicot plants have two cotyledons

Leaves:

Monocot plant leaves have parallel veins. The shape of monocot leaves can vary among species, but they generally have a long and narrow form. Examples of monocot leaves include those of grasses, lilies, and orchids. Dicot leaves have veins that form a network or branching pattern. The shape of dicot leaves is highly diverse and can range from simple to compound, and from lobed to entire. 

Flowers:

The flowers of monocot plant has multiple of three or three petals. Otherwise the flowers of dicot plants has always 4 or 5 petals or their multiples.

Question: 7