CLASS 10
SCIENCE
MOCK PAPER
UNIT - 3
WITH SOLUTIONS
CHAPTERS COVERED
Physics
9. Light - Reflection and Refraction
10. The Human Eye and the Colourful World
11. Electricity
12. Magnetic Effects of Electric Current
Biology
13. Our Environment
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Bank for 2024-25.
SANJIV
सर
, MOCK PAPER-3
Solved
Time Allowed: 3 Hours
SCIENCE Maximum Marks: 80
General Instructions: Same instructions as given in the Mock Paper 1.
SECTION - A
(Select and write most appropriate option out of the four options given for each of the questions 1-20.
There is no negative mark for incorrect response.)
1. The angle of incidence from air to glass at the (d)
point O on the hemispherical glass slab is:
Violet
Red
1
3. In the given figure, the various trophic levels
are shown in a pyramid.
T4
T3
T2
(a) 45° (b) 0°
T1
(c) 90° (d) 180° 1
At which trophic level is maximum energy
2. A ray of light is incident on the face of the available?
prism as shown. (a) T4 (b) T2
(c) T1 (d) T3 1
4. Select the incorrect statement.
(a) Economic development is linked to
ray of environmental conservation.
whith light Prism
(b) Sustainable development encourages
Choose the correct option from the following: development for current generation
and conservation of resources for future
(a) Red generations.
(c) Sustainable development does not
Violet consider the viewpoints of stakeholders.
(d) Sustainable development is a long
planned and persistent development. 1
(b) Violet
5. A small bulb is placed at the focal point of a
Red converging lens. When the bulb is switched
on, the lens produces:
(c) (a) a convergent beam of light
Red (b) a divergent beam of light
(c) a parallel beam of light
Violet
(d) a patch of coloured light 1
Mock Paper-3 1
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, 6. Which natural phenomenon is being shown 9. In the given diagram light is travelling
here? through different media. It is noted by a
scientist that ∠1 = ∠3 = ∠4 but ∠2 < ∠1.
Light
from sun Medium 1
Refraction Medium 2
Medium 3
Internal
re ection
Refraction Medium 1
Which of the following statement would be
(a) Twinkling of stars correct?
(b) Rainbow formation (a) Medium 1 is the denser than medium 3
but it’s density is equal to medium 2.
(c) Reddish appearance of the Sun early in
the morning (b) Medium 2 is the rarest medium.
(c) Medium 3 is denser than medium 1.
(d) Blue colour of sky 1 (d) Medium 1 and 3 are essentially the same
7. The picture shows the different trophic levels medium, but medium 2 is denser than 1
of an ecosystem. and 3. 1
10. A clear sky appears blue because:
(a) blue light gets absorbed in the
atmosphere.
Level 4 (b) ultraviolet radiations are absorbed in the
atmosphere.
Level 3 (c) violet and blue light get scattered more
than the light of all other colours by the
Level 2 atmosphere.
Level 1 (d) light of all other colours is scattered more
than the violet and blue colour light by
Which level consists of herbivores? the atmosphere. 1
(a) Level 1 (b) Level 2
11. The organisms which recycle the waste of
(c) Level 3 (d) Level 4 1 the environment are:
(a) plants and animals
8. In our country, there are attempts to
increase the height of several existing (b) plants and bacteria
dams like Tehri, Almatti and dams across (c) fungi and animals
Narmada. Choose the correct statements (d) bacteria and fungi 1
among the following that are consequences
12. Given below are a few statements related
of raising the height of such dams:
to biodiversity. Pick those that correctly
(I) Terrestrial flora and fauna of the area is describe the concept of biodiversity:
destroyed completely. (I) Biodiversity refers to the different species
(II) Dislocation of people and domestic of flora and fauna present in an area.
animals living in the area. (II) Biodiversity refers to only the flora of a
(III) Valuable agricultural land may be given area.
permanently lost. (III) Biodiversity is greater in a forest.
(IV) Biodiversity refers to the total number of
(IV) It will generate permanent employment
individuals of a particular species living
for people.
in an area.
Options: Options:
(a) (I) and (II) (b) (I), (II) and (III) (a) (I) and (II) (b) (II) and (IV)
(c) (II) and (IV) (d) (II) and (IV) 1 (c) (I) and (III) (d) (II) and (III) 1
2 One Shot Science Class X
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SCIENCE
MOCK PAPER
UNIT - 3
WITH SOLUTIONS
CHAPTERS COVERED
Physics
9. Light - Reflection and Refraction
10. The Human Eye and the Colourful World
11. Electricity
12. Magnetic Effects of Electric Current
Biology
13. Our Environment
This is a FREE PDF from our best-selling
One Shot Educart Science Question
Bank for 2024-25.
SANJIV
सर
, MOCK PAPER-3
Solved
Time Allowed: 3 Hours
SCIENCE Maximum Marks: 80
General Instructions: Same instructions as given in the Mock Paper 1.
SECTION - A
(Select and write most appropriate option out of the four options given for each of the questions 1-20.
There is no negative mark for incorrect response.)
1. The angle of incidence from air to glass at the (d)
point O on the hemispherical glass slab is:
Violet
Red
1
3. In the given figure, the various trophic levels
are shown in a pyramid.
T4
T3
T2
(a) 45° (b) 0°
T1
(c) 90° (d) 180° 1
At which trophic level is maximum energy
2. A ray of light is incident on the face of the available?
prism as shown. (a) T4 (b) T2
(c) T1 (d) T3 1
4. Select the incorrect statement.
(a) Economic development is linked to
ray of environmental conservation.
whith light Prism
(b) Sustainable development encourages
Choose the correct option from the following: development for current generation
and conservation of resources for future
(a) Red generations.
(c) Sustainable development does not
Violet consider the viewpoints of stakeholders.
(d) Sustainable development is a long
planned and persistent development. 1
(b) Violet
5. A small bulb is placed at the focal point of a
Red converging lens. When the bulb is switched
on, the lens produces:
(c) (a) a convergent beam of light
Red (b) a divergent beam of light
(c) a parallel beam of light
Violet
(d) a patch of coloured light 1
Mock Paper-3 1
Click here to buy Latest Educart Class 10 Books - https://amzn.to/4cw1M5E
, 6. Which natural phenomenon is being shown 9. In the given diagram light is travelling
here? through different media. It is noted by a
scientist that ∠1 = ∠3 = ∠4 but ∠2 < ∠1.
Light
from sun Medium 1
Refraction Medium 2
Medium 3
Internal
re ection
Refraction Medium 1
Which of the following statement would be
(a) Twinkling of stars correct?
(b) Rainbow formation (a) Medium 1 is the denser than medium 3
but it’s density is equal to medium 2.
(c) Reddish appearance of the Sun early in
the morning (b) Medium 2 is the rarest medium.
(c) Medium 3 is denser than medium 1.
(d) Blue colour of sky 1 (d) Medium 1 and 3 are essentially the same
7. The picture shows the different trophic levels medium, but medium 2 is denser than 1
of an ecosystem. and 3. 1
10. A clear sky appears blue because:
(a) blue light gets absorbed in the
atmosphere.
Level 4 (b) ultraviolet radiations are absorbed in the
atmosphere.
Level 3 (c) violet and blue light get scattered more
than the light of all other colours by the
Level 2 atmosphere.
Level 1 (d) light of all other colours is scattered more
than the violet and blue colour light by
Which level consists of herbivores? the atmosphere. 1
(a) Level 1 (b) Level 2
11. The organisms which recycle the waste of
(c) Level 3 (d) Level 4 1 the environment are:
(a) plants and animals
8. In our country, there are attempts to
increase the height of several existing (b) plants and bacteria
dams like Tehri, Almatti and dams across (c) fungi and animals
Narmada. Choose the correct statements (d) bacteria and fungi 1
among the following that are consequences
12. Given below are a few statements related
of raising the height of such dams:
to biodiversity. Pick those that correctly
(I) Terrestrial flora and fauna of the area is describe the concept of biodiversity:
destroyed completely. (I) Biodiversity refers to the different species
(II) Dislocation of people and domestic of flora and fauna present in an area.
animals living in the area. (II) Biodiversity refers to only the flora of a
(III) Valuable agricultural land may be given area.
permanently lost. (III) Biodiversity is greater in a forest.
(IV) Biodiversity refers to the total number of
(IV) It will generate permanent employment
individuals of a particular species living
for people.
in an area.
Options: Options:
(a) (I) and (II) (b) (I), (II) and (III) (a) (I) and (II) (b) (II) and (IV)
(c) (II) and (IV) (d) (II) and (IV) 1 (c) (I) and (III) (d) (II) and (III) 1
2 One Shot Science Class X
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