MBOSE Class 11 Question Paper 2020 for Home Science

Total No. of Printed Pages–6 (2)
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2. Electronegativity of any given element is
2020

HOME SCIENCE (a) not constant

( THEORY ) (b) constant

Full Marks : 70 (c) partially constant
Pass Marks : 21
Time : 3 hours

The figures in the margin indicate full marks for the questions
3. By the onset of puberty, a child normally has
General Instructions:
(i) Write all the answers in the Answer Script. (a) 20 teeth
(ii) Attempt Part–A Objective questions serially.
(b) 28 teeth
(iii) Attempt all parts of a question together at one place.
(c) 25 teeth
( PART : A–OBJECTIVE )

SECTION - I (d) 27 teeth

( Marks : 30 )

A. Choose and write the correct answer : 1x6=6 4. Whooping cough is a

1. The general formula of alkynes is (a) water-borne disease
(a). C nH2n  2
(b) air-borne disease
(b) C n H 2n  2
(c) contagious disease
(c) CnHn 2
(d) None of the above. (d) None of the above.

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(3) (4)

5. Combination of line and mass arrangement is C. Match Column– A with Column– B 1
2 x6=3
(a) Japanese origin
(b) Chinese origin Column– A Column– B
(c) American origin 1. Derived Lipids (a) pests
2. Carbohydrates (b) antibodies

6. A house is a place where one learns 3. Colostrum (c) graters, peelers

(a) Values and norms 4. Bed bugs (d) LPG
(b) Manners
5. Butane (e) fatty acids
(c) Accepted behaviour
6. Cutting devices (f) starch
(d) All of the above.
(g) flower arrangement.

B. Fill in the blanks : 1x6=6
D. State whether the following statements are ‘True’ or
1 The distribution of electrons into orbitals of an
‘False’ 1 x 6 = 3
atom is called its . 2

2 Lewis postulated that atoms achieve the stable 1. The quaternary structure of protein is formed by
octet when they are linked by bonds. polymerization of several tertiary structure.

3. One of the most difficult developmental tasks of 2. Electronic configuration of the neon atom is
adolescence relates to adjustments. 1s 2 2s 2 2p3.
4. Upto ________ weeks the baby should have sponge
bath. 3. Creativity is a controlled or harnessed form of
imagination.
5. Non-human resources are_________.
4. Development from the centre to the periphery is
6. is an estimate of family income from
various sources and an estimate of distribution called growth spurt.
of family expenditure on various items for a
specified period of time. 5. Mop cloths are used for washing the rooms.

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(5) (6)

6. Gas cylinder should be stored at dry place well G. Answer any two of the following: 2 x 8 = 16
protected from direct sun rays.
1. Explain the social development during early
childhood. 8

E. Write short notes on the following (not more than 4 2. Define growth and development. Write four
to 5 sentences each): 2 x 6 = 12 principles of development. 2+2+ 4=8

1. Atom and molecule. 3. Define the term ‘adolescence’. Explain the
physical development during adolescence. 2 + 6 = 8
2. Tetravalency of carbon atom.

3. Breast feeding.
H. Answer any two of the following: 2 x 7 = 14
4. Developmental tasks of late childhood.
1. Give the planning and layout of a house. 3+4=7
5. Care of the house (daily and weekly cleaning).

6. Classification of resources. 2. What do you mean by management? Write the
steps in management. 1+6=7

3. Classify pests. Write the preventive measures for
( PART : B–DESCRIPTIVE ) each type of pests. 2+5=7

Section - II

( Marks : 40 ) 

F. Answer any two of the following: 2 x 5 = 10

1. Briefly describe Bohr’s model of atom. 5

2. Write about Resonance structure. 5

3. Classify carbohydrates and give examples. 5

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