RBSE Solutions for Class 5 Environmental Studies Chapter 1 Understanding Our Relations

RBSE Solutions for Class 5 Environmental Studies Chapter 1 Understanding Our Relations is part of RBSE Solutions for Class 5 Environmental Studies. Here we have given Rajasthan Board RBSE Class 5 Environmental Studies Chapter 1 Understanding Our Relations.

Board	RBSE
Textbook	SIERT, Rajasthan
Class	Class 5
Subject	Environmental Studies
Chapter	Chapter 1
Chapter Name	Understanding Our Relations
Number of Questions	45
Category	RBSE Solutions

Rajasthan Board RBSE Class 5 Environmental Studies Chapter 1 Understanding Our Relations

Text Book Questions

Explore and write down the answers of the following (Page No. 2) :

Question. 1.
Who lives in your neighbourhood?
Answer:
Lalchandji, Sherumalji, Suleimanbhai, Radheyshyamji and Shantabai live in our neighbourhood.

Question. 2.
How many of them are nuclear families?
Answer:
There are 3 nuclear families among them.

Question. 3.
How many members are there in those families? How do they divide the work among them?
Answer:

S.No.	Family	No. of members	Division of work
1.	Sherumalji	5	Father—Job. Mother — home chores and upbring­ing of the children. Children-Studies.
2.	Radhey­ shyamji	4	Father—job. Mother—works of home and market. Children—studies.
3.	Shantabai	2	Home activities. Son-job.
4.	Lalchandji	15	Grandma, Grand­father—look after the families and bringing vegetables from market. Other gents of the family—Working out­side. Ladies—Home acti­vities and look after their children.
5.	Suleimanbhai	10	Elder gents members— Keep business and out­side jobs. Ladies—Home acti­vities and look after children.

Question. 4.
How many joint families are there in your neighbourhood?
Answer:
There are 2 joint families in our neighbourhood.

Question. 5.
If Sanjana’s family had been a nuclear family, then who would have taken care of her mother?
Answer:
If Sanjana’s family had been a nuclear family, then, Sanjana’s father and Sanjana would have taken care of her mother.

Think and answer the following (Page No. 3)

Question. 1.
What answer Salma’s father must have given to her?
Answer:
Salma’s father answered her that in cities there are small houses, in which a few family members can stay together. So, like this, the joint families are divided into nuclear femilies. In search of occupation or higher education, families are migrating from village to cities.

Points for discussion (Page No. 3)

Question. 1.
What are the reasons for the formation of nuclear families?
Answer:
(i) In search of occupation or higher education, families are migrating from village to cities. In cities there are small houses, in which a few family members can stay together.

(ii) Some other reasons are also there for the division of joint families like, number of family members, habits, behaviour of the family members, economic conditions, capacity to spend etc.

(iii) Continuous changes in the ways of celebration of festivals is another main reason for the formation of nuclear families.

Question. 2.
What is the difference between a nuclear family and a joint family?
Answer:
(i) In a nuclear family, there is only father and mother and their children. But in a joint family, all the members (grandma, grandpa, uncle, aunty along with father and mother) live with their children.

(ii) In a nuclear family, there are only mother and father, but in a joint family, all the members contribute towards the upbringing of their children.

Question. 3.
In due course of time, what are the changes in the ways of celebration of festivals ?
Answer:
(i) Earlier, in joint families, number of family members were higher and all used to celebrate festivals together. But now-a-days, limited members in the nuclear families only celebrate the festivals.

(ii) Now-a-days, relatives cannot regularly visit other family members.

(iii) Now, show off is given more priority during festivals.

(iv) Festivals, now-a-days are celebrated for esser time.

Think and answer (Page No. 4)

Question. 1.
If you live in a nuclear family and your mother goes out of station for 2-3 days, how do you feel?
Answer:
In such situation, without my mother, I feel very lonely.

Question. 2.
For taking care of those children whose parents are not alive, the government has established schools, orphan hostels. Have a discussion with your teacher about the same.
Answer:
For taking care of those children whose parents are not alive, the government has established schools, orphan hostels for their arrangement of basic needs and providing facilities of food, shelter and education. Government has also arranged student’s stipend facilities for such children.

Points for discussion (Page No. 7)

Question. 1.
How does a cow recognize its calf?
Answer:
A cow recognizes its calf by seeing, smelling and licking it.

Question. 2.
How does your mother recognize you in a crowd?
Answer:
My mother recognizes me in a crowd by seeing my physique.

Learn, understand and now tell (Page No. 8)

Question. 1.
The transfer of characteristics from one generation to another is known as
Answer:
Inheritance.

Question. 2.
Write the names of any two scientists who worked in the field of genetics.
Answer:
Gregor John Mendel and Dr.Hargovind Khurana.

Question. 3.
From where do we get the genetic characteristics?
(a) From grandparents (paternal)
(b) From grandparents (maternal)
(c) From parents
(d) All of the above
Answer:
(d) All of the. above.

Question. 4.
What is your relation with your mother’s sister?
Answer:
My mother’s sister is my Masi (maternal aunt)!

Question. 5.
What is the difference between joint family and nuclear family?
Answer:
[Note: Answer already mentioned (in Points for discussion Q No. 2)].

Other Important Questions

Objective Type Questions :

Question. 1.
Who is this scientist?

(a) Dr HargovindKhurana
(b) Rakesh Sharma
(c) Gregor John Mendel
(d) Dr Bhimrao Ambedkar
Answer:
(c) Gregor John Mendel

Question. 2.
Your relation with your mother’s brother is
(Model Paper)
(a) Bhanja or bhanji
(b) Nephew or niece
(c) Grandson or grand daughter
(d) Son or daughter
Answer:
(a) Bhanja or bhanji

Question. 3.
What is your relation with your father’s father?
(a) Elder Uncle
(b) Younger Uncle
(c) Grandfather (Dadaji)
(d) Grandfather (Nanaji)
Answer:
(c) Grandfather (Dadaji)

Question. 4.
What is the relation of your elder uncle with your mother?
(a) Elder brother-in-law
(b) Younger brother-in-law
(c) Father-in-law
(d) Brother
Answer:
(a) Elder brother-in-law

Question. 5.
They live in a nuclear family.
(a) Grandparents, father, mother, elder uncle, elder aunt, children
(b) Father, mother and their children
(c) Maternal grandparents, maternal uncle and aunt and their children
(d) Parents and their children along with uncle and aunt
Answer:
(b) Father, mother and their children

Question. 6.
Takes responsibility of upbringing of children in nuclear family.
(a) Grandparents (paternal)
(b) Parents
(c) Grandparents (maternal)
(d) All of the above
Answer:
(b) Parents

Question. 7.
Father of Genetics.
(a) Dr HargovindKhurana
(b) Dr Kalam
(c) Einstein
(d) Gregor John Mendel
Answer:
(d) Gregor John Mendel

Fill in the blanks :

1. All the members of a ……….. family help each other. (Joint / nuclear)
2. In the cities, small ………. are found where less number of poeple stay. (Houses/Slums)
3. …………. has written about the inheritance of new characteristics. (Gregor John Mendel/ Dr. Hargovind Khurana)
4. The family where only the father and mother live with their children is called ………..
(a Joint family/a nuclear family)
Answer:
1. (a joint)
2. (houses)
3. (Dr. Hargovind Khurana)
4. (a nuclear family).

State True or False

Question. 1.
In a single family, only the father and mother take responsibility of upbringing their children.
Answer:
(True)

Question. 2.
Every organism has some characteristics inherited from his or her parents.
Answer:
(True)

Question. 3.
Gregor John Mendel has done a lot of experiments on the tomato tree.
Answer:
(False)

Question. 4.
Dr HargovindKhurana was awarded the Noble Prize for his work on inheritance of new characteristics.
Answer:
(True)

Very Short Answer Type Questions :

Question. 1.
Whose mother is ill?
Answer:
Sanjana’s mother is ill.

Question. 2.
What is the main cause of migration of people from villages to cities?
Answer:
In search of occupation and higher education.

Question. 3.
Why do we find more number of nuclear families in the cities?
Answer:
In cities there are small houses, in which only less number of family members can stay together.

Question. 4.
What is adoption?
Answer:
Legal protection given to any relative’s child or any other child, is called adoption.

Question. 5.
What is inheritance?
Answer:
The transfer of characteristics from one generation to another is known as inheritance.

Question. 6.
Who is known as the Father of Genetics?
Answer:
Gregor John Mendel

Question. 7.
On which plant Gregor John Mendel has done his experiment?
Answer:
On pea plant.

Question. 8.
Why was Dr HargovindKhurana awarded the Noble Prize?
Answer:
Dr HargovindKhurana has written many research papers regarding determination of inheritance of new characteristics. For his excellent work, he was awarded the Noble Prize.

Short Answer Type Questions :

Question. 1.
What is the reason behind formation of single families?
Answer:
(i) In search of occupation or higher education, families are migrating from village to cities. In cities there are small houses, in which a few family members can stay together.

(ii) Some other reasons are also there for the division of joint families like, number of family members, habits, behaviour of tho family members, economic conditions, capacity to spend etc.

(iii) Continuous changes in the ways of celebration of festivals is another main reason for the formation of nuclear families.

Question. 2.
Make a chart and write when do you go to your relatives’ place?
Answer:

Relatives	Do you live with them	When you go
Grand parents(maternal)	No	Summer vacation, marriage ceremony
Grand parents(paternal)	No	On Holi and Diwali
Uncle and Aunt(Paternal)	No	On Holi and Diwali
Uncle and Aunt(sister of father)	No	On Raishabandhan
Uncle ans Aunt(sister of mother)	No	On marriage ceremony

Question. 3.
Why Gregor John Mendel is known as Father of Genetics?
Answer:
Gregor John Mendel has done a lot of experiments on the pea plant and he formulated the Laws of Inheritance. For this reason he is known as Father of Genetics.

Question. 4.
What is hereditary characters?
Answer:
The physical characteristics are inherited in the children from their parents and grandparents. These characters are known as hereditary characters.

Question. 5.
Who was Dr Hargovind Khurana?
Answer:
Dr. Hargovind Khurana has written many research papers regarding determination of inheritance of new characteristics. For his excellent work, he was awarded the Noble Prize.

Question. 6.
What is the utility of joint family?
Answer:
Children take good culture from families Members of the families maintain good relations Sanjiv Refresher
with each other. All members of the family contribute towards the upbringing of the children with love and affection.

Question. 7.
Who are the members of a joint family?
Answer:
Grandparents, elder uncle, elder aunt, younger uncle and younger aunt, father and mother along with their children are the members of a joint family.

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