Goa Board Class 10 Sample Paper 2023 Science

Sample Paper
&
Question Paper Pattern
2022
2023

GOA BOARD

Model Question Paper

First Term General Science (E)

Subject Code S-2035
Total No. of Questions :-40 Maximum
Marks:40.

1. Respiration is an _____________.
1 mark
(A)Endothermic
(B) Exothermic
(C) Combination
(D)Reduction

2. Rusting of iron is _______________. 1 mark
(A) Reduction
(B) Endothermic
(C)Oxidation
(D) Displacement

3. Decomposition of vegetable matter is __________.
1 mark
(A) Exothermic
(B)Oxidation
(C)Reduction
(D) Endothermic

4. A natural indicator is ____________.
1 mark
(A) Hydrochloric acid
(B) phenolphthalein acid
(C)litmus
(D) pH indicator

5.The acid present in Vinegar is_______.
1 mark.
(A) Methanoic acid
(B) Tartaric acid
(C)Acetic acid
(D) lactic acid

1 mark
6.The gas given out to extinguish the fire is ___________.

(A) Carbon dioxide
(B)Oxygen
(C) Methane
(D)Nitrogen

7.The reaction between an acid and a base is called _________. 1 mark
(A) Oxidation reaction,
(B)Decomposition reaction
(C) Neutralization reaction.
(D)Redox reaction

8. Coal, petroleum and natural_______. 1 mark
(A) Biogas
(B)Slurry
(C)Man-made resources
(D) fossil fuels
1 mark
9. Fractured bones are plastered using ________.

(A)Baking soda
(B)Plaster Of Paris
(C)Washing Soda
(D)Bleaching powder 1 mark
10.The non-metal thas has Lutre is.

(A)Carbon
(B) Sulphur
(C)Oxygen
(D)Iodine

11. The allotrope of carbon that is the hardest substance is ________. 1 mark

(A)Diamond
(B)Graphite
(C)Sulphur
(D)Copper

12. The property of metal that produces sound is_________. 1 mark

(A) Lustre
(B)Malleability
(C)Sonorous
(D)Ductility

13. Electric wires are coated with _________. 1 mark

(A)Paper
(B)Coir
(C)PVC
(D)Iron

14.Gas given out when metal reacts with acid_________.
1 mark
(A)Oxygen
(B)Hydrogen
(C)Carbondioxide
(D)Methane

15. The metal used in thermometer is______. 1 mark
(A) Copper
(B) Sulphur
(C)Iodine
(D)Mercury

16. Insulin is produced by the__________.
1 mark
(A) Intestine
(B) Stomach
(C)Pancreas
(D) Gallbladder

17. Spinal cord is protected by__________.
1 mark
(A)Ribs
(B) Vertebral Column
(C)Skull
(D) Bones

18. Actions that Involuntary actions can control are called__________.
1 mark

(A) Involuntary actions
(B) Reflex action

(C)Voluntary actions
(D)Slow motion actions
1 mark
19. Deficiency of iodine in our diet causes________.

(A) Diabetes
(B) Goitre
(C)Dwarfism
(D)Salivation

20. The receptors in the cell body that receive information are__________. 1 mark
(A)Nerve ending
(B)Axon
(C)Dendrite
(D) Nucleus

21. We can coalk in a straight line. This is controlled by the__________.
1 mark
(A)Cerebrum
(B)Cerebellum
(C)Medula
(D)Spinal cord

22. Salivation and vomiting is controlled by_________.
1 mark
(A) Medula
(B)Spinal Cord
(C)Cerebellum
(D) Cerebrum

23) The part of the male reproductive system that provides nutrition for the sperm is _________.
1 mark
(A) Prostate and seminal vesicles
(B) Testis
(C) Penis
(D)Vas deferens

24.The development of the baby inside the mother takes approximately
1 mark
(A) 9months
(B)6 months

(C)8 months
(D) 10 months.

25) The fusion of the male gamet and female gamet to form the Zygote is called ____________.
1 mark

(A)Puberty
(B) Menstruation
(C)Fertilisation
(D)Digestion

26) Testes produces hormone called as_________.
1 mark
(A) Thyroxine
(B) Insulin
(C)Estrogen
(D)Testosterone

27) Disease that can be transmitted through sexual contact is__________.
1 mark
(A)HIV-AIDS
(B) T-B
(C)Cholera
(D)Rabies

28.Blocking of vas deferens in males by surgical method is called_________.
1 mark
(A) Tubectomy
(B) Vasectomy
(C)Family planning
(D)Pregnancy

29.The ovules are present in the________.

(A) Sepals 1 mark
(B) Stigma
(C)Style
(D) Ovary

30. The ovary develops into the __________.

(A)Fruit 1 mark
(B) Seed
(C)Vegetable
(D)Root

31. Female reproductive part of the flower is_________.
1 mark

(A) Style
(B) Stamen
(C)Carpel
(D)Stigma

32.The transfer of pollen grains from the stamen of one flower to the stigma of another plant
1 mark
is___________.

(A) Self pollination
(B) Cross pollination
(C)Fertilization
(D) Ovulation
1 mark
33.Reproduction in the Bryophyllum plant is by ___________.

(A) Sexual reproduction
(B) Budding
(C) Vegetative propagation
(D) Regeneration
1 mark
34. The development of the embryo into a seedling which develops into a new plant is
_________.

(A) Reproduction
(B) Fusion
(C)Fertilization
(D) Germination 1 mark

35. The instrument used to measure current is_________.

(A) Fuse
(B) Ammeter
(C)MCB
(D)Screwdriver tester 1 mark.
36. In an electric bulb electrical energy is converted to _________.

(A)Heat only
(B)Heat and light
(C)Light only
(D)Solar energy.

37. An example of a gadget used in a 15 amp is ____________.
1 mark

(A)Geyser
(B)Light bulb
(C)Electric fan
(D) Iron

38.The colour of the live wire is___________.
1 mark
(A)Blue
(B)Yellow
(C)Red
(D)Green

39. Unit of potential difference is___________. 1 mark
(A)Volt
(B)Ampere
(C)Watt
(D)Ohm

40. The Filament used in electric bulbs is__________.
1 mark
(A)Zinc
(B)Copper
(C)Tungsten
(D)Iron

1 mark

1 mark.

Answer Key
C.W.S.N

1. B-Exothermic. 1 mark
2. C-Oxidation 1 mark
3. A-Exothermic. 1 mark
4. C-Litmus. 1 mark.
5. C-Acetic acid. 1 mark
6. A-Carbon Dioxide 1 mark
7. C-Neutralisation Reaction. 1 mark
8. D-Fossil fuels. 1 mark
9. B-Plaster of Paris 1 mark
10. D-Iodine. 1 mark
11. A-Diamond 1 mark
12. C-Sonorous 1 mark
13. C-PVC 1 mark
14. B-Hydrogen 1 mark
15. D-Mercury 1 mark
16. C-Pancreas 1 mark
17. B-Vertebral column 1 mark
18. C-Voluntary actions 1 mark
19. B-Goitre 1 mark
20. C-Dendrite 1 mark
21. B-Cerebellum 1 mark
22. A-Medula. 1 mark
23. A-Prostate and seminal. 1 mark
24. A-9 months 1 mark
25. C-Fertilisation. 1 mark
26. D-Testosterone 1 mark
27. A-HIV-AIDS 1 mark
28. B-Vasectomy 1 mark
29. D-Ovary. 1 mark
30. A-Fruit. 1 mark
31. C-Carpel 1 mark
32. B-Cross pollination 1 mark
33. C-Vegetative propogation. 1 mark
34. D-Germination 1 mark
35. B-Ammeter 1 mark
36. B-Heat and light 1 mark
37. A-Geyser. 1 mark

38. B-Red. 1 mark
39. A-Volt 1 mark

40. C-Tungsten 1 mark

MODEL PAPER
Second Term
General Science (E)
S-2035 Maximum Marks 30

1. A. Select the Most appropriate answer form those given below (Tick the right answer)

a) Electricity obtained from burning of coal is called ___________.
(i) Themal electricity ½mk
(ii) Hydel electricity
(iii)Bio electricity

b) Submerged vegetation by a high rise dam results in release of large amount of __________
(i) Carbon dioxide ½mk
(ii) Carbon monoxide
(iii) Methane

B. Look at the picture and answer the question

a) Identify the Picture 1 mk
b) What energy conversion takes place in this case. 1 mk

C. Look at the picture and answer the question. 1 mk

a) Why is electricity obtained from high rise dam renewable source of energy? 1mk

2. A. Select the most appropriate words from those given below (Tick the right answer)
a) The lining of the stomach is protected by____________
(i) Hydrochloric acid ½mk
(ii) Mucus
(iii) Nitric acid

b) Bile juice is secreted by___________
(i) Pancreas
(ii) Intestine
(iii) Liver

B. Excretory system helps in the removal of nitrogenous waste from the body,

A

B

c

a) Identify the part labeled as ‘B’ 1 mk
b) What is the function of the urinary bladder labeled as ‘c’ 1mk
c) Approximately how much of total amount of urine that is produced in one day? 1mk

C. Given below is a diagram of an open stomatal pore .label 1mk

(a) Guard cell
(b) Chloroplast

D. Match the gland in column A with the enzyme in column B and write the correct answer in
Column C 1 ½mk

Column A Column B Column C
1. Salivary gland (a) Bile salts _________
2. Liver (b) Pepsin _________
3. Pancreas (c) Amylase _________
(d) Lipase

E. Look at the picture and answer the question ½mk

a) The above picture is a _____________

(i) Parasite
(ii) Saprophyte
(iii) Autotrophes

b) Name two parasite in animals
1mk

3. A. Select the most appropriate word from those given below .Tick the rights answer.
a) The part of the eye that gives the eye its colour is the _______
(i) Iris
½mk
(ii) Ciliary body
(iii) Cornea

b) The near point for a young adult of normal vision is _______
(i) 15 cm
½mk
(ii) 25cm
(iii) 50cm.

(c) The Thin transparent covering that forms a bulge in front of the eye is called the ________
(i) Ciliary body ½mk
(ii) Iris
(iii) Cornea

(d) Cataract in the eye occurs in ______________
(i) Old age
(ii) St Birth
(iii) Puberty.

B. Observe the Picture and answer the given questions.

a) What is this phenomenon of splitting up of white light into different colors’ called? 1mk
b) what is this band of colours called 1mk

C. In the picture given below (a) shows the front of the spoon and (b) shows the back of the spoon write
against the alphabet the name of the mirror.

a) _________________ b) _______________ 1mk

D Dentist uses mirrors to observe all sides of our teeth.
a) Name the type of mirror used by them

4. A. Study the food chain given below 2mk

a) Name the producer
b) Name the primary consumer.

B. Ozone layer performs a very crucial role in our life.

a) Why is ozone layer important? 1mk

b) The formula of ozone is ____________(tick the right answer)
(i) O ½mk
(ii) O3
(iii) O2

C. Select the most appropriate word from those given below . Tick the right answer.

a) An example of non –biodegradable substance is ___________
(i) Paper ½mk
(ii) Plastic
(iii) Kitchen waste

(b) Give another example of a non -biodegradable substance that we add to our environment
1mk
(c) Name any one biotic component of a garden. 1mk

Q 5. A. Select the most correct alternative from given below (Tick the correct answer)

a) The old age practice of rain water harvesting is ________
(i) Building big dam’s ½mk
(ii) Digging of small ponds and lakes
(iii) Construction of big tanks

b) The three R’s are Reduce, Recycle and __________
(i) Regenerate ½mk
(ii) Reuse
(iii) Renuate

(C) Growing of one type of tree like teak is called ____________
(i) Agriculture ½mk
(ii) Pisciculture
(iii) Moncoculture

(d) Biodiversity hotspots is __________ ½mk
(i) Forest
(ii) Zoo
(iii) Pond

B. Conservation of forest is the need of the hour.

a) Name any one stakeholder of forests 1mk
b) Name a forest produce which is source of raw material for industries 1mk

C. Look at the picture and answer the questions

a) What is the method of storing water shown in the above picture called? 1mk
b) Write one advantage of storing water underground. 1mk

Answer key
1 A.
a) i- Thermal electricity ½mk

b) iii – Methane ½mk

B. a) wind mill farm 1mk

b) Kinetic energy of wind is converted to mechanical energy. 1mk

C
a. Because the water in the reservoir keeps getting refilled by the rain 1mk

2. A
a) ii – Mucus ½mk

b) iii- liver ½mk

B. a) Ureter 1mk

b) It stores the urine 1mk

c) 1-2 liters 1mk

C.

.
D. Colum
1- (c) ½mk
2- (a) ½mk
3- (d) ½mk
E
ii- Saprophyte ½mk
b. leeches, ticks .lice, tapeworm, roundworm 1mk
(Any two)
B. A.
a. i- Iris ½mk
b. ii-25cm ½mk
c.ii- Cornea ½mk
d. i-Old age ½mk

B.
a. Dispersion of light 1mk
b. Spectrum 1mk

C.
a) Concave mirror ½mk
b) Convex mirror ½mk

D.
a) Concave mirrors 1mk
a. Plants 1mk

4A.
a. Plants 1mk
b. Rat 1mk

B.
a. Ozone layer protects us from the damaging ultraviolet rays of the sun
b.O3 ½mk
C. a.
ii plastic ½mk

b. Glass, thermacol 1mk
c. Plants, garden, lizards, butterflies 1mk

Q5. A.
a. (ii) Digging of small ponds and lakes ½mk
b. (ii) Reuse
c. (iii) Monoculture
d.(i) forest

B.
a)
(1) Industrialists and conservationists 1mk
(2) Wild life and nature enthusiasts
(3) Local People (anyone)
(4)The forest department of the government
(b) Timber, Firewood, Bamboo 1mk
C.
a. Roof top water harvesting 1mk
b.
(1) The water does not evaporate 1mk
(2) It does not breed mosquitoes
(3) It is protected from human contamination
(4) It spreads out underground and recharges well (Anyone)