A seed is divided into different parts according to its physical features. Which one of the following parts of a seed contains food for the baby plant?
A)
Cotyledon
done
clear
B)
Seed coat
done
clear
C)
Seedling
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
Categorize the following as metamorphic rocks, igneous rock and sedimentary rocks: Marble, Granite, Sandstone, Slate, Pumice, Conglomerate, Quartzite, Obsidian, Shale.
A)
Metamorphic rocks: Granite, Slate, Quartzite. Igneous rocks: Marble, Pumice, Sandstone. Sedimentary rocks: Obsidian, Conglomerate, Shale.
done
clear
B)
Metamorphic rocks: Marble, Slate, Quartzite. Igneous rocks: Granite, Pumice, Obsidian. Sedimentary rocks: Sandstone, Conglomerate, Shale.
done
clear
C)
Metamorphic rocks: Marble, Obsidian, Quartzite. Igneous rocks: Shale, Pumice, Slate. Sedimentary rocks: Sandstone, Conglomerate, Granite.
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
Sudha: Mechanical energy is of two types, potential and kinetic energy. Ashmit: Magnetic energy of two types, potential and kinetic energy. Who is correct?
A)
Sudha
done
clear
B)
Ashmit
done
clear
C)
Both are correct
done
clear
D)
Both are incorrect
done
clear
E)
None of these
done
clear
View Answer play_arrow
Consider the following statements : Statement 1: Dormant volcanoes are those that have not erupted in a long time but may erupt in the future. Statement 2: Extinct volcanoes are those that have not erupted in a long time but may erupt in the future. Which one of the following is correct about the above statements?
A)
Statement 1 is true and 2 is false
done
clear
B)
Statement 1 is false and 2 is true
done
clear
C)
Both statements are false
done
clear
D)
Both statements are true
done
clear
E)
None of these
done
clear
View Answer play_arrow
The core of the earth is divided into two parts, internal and outer core as shown in the picture below. The outer core of the earth is responsible for which property of the earth?
A)
Outer structure of the earth
done
clear
B)
Presence of iron in soil
done
clear
C)
Magnetic field
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
Bhawesh: Plants do not require oxygen, therefore, they protect our environment. Ashish: Ocean protects the atmosphere from the excess carbondioxide produced by the human activities. Who is correct?
A)
Both statements are false
done
clear
B)
Both statements are true
done
clear
C)
Statement 1 is true and 2 is false
done
clear
D)
Statement 1 is false and 2 is true
done
clear
E)
None of these
done
clear
View Answer play_arrow
Some types of living organism belong to same species but their physical structures are different. Which one of the following is correct about a dog and a rat?
A)
They are belong to same kingdom but different species.
done
clear
B)
They are belong to same species but different kingdom.
done
clear
C)
They are belong to same species and same kingdom.
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
What is called the belt between the orbital path of Jupiter and Mars as shown in the figure below?
A)
Asteroid belt
done
clear
B)
Meteorbelt
done
clear
C)
Constellation belt
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
Our environment consists of biotic and abiotic components. Which one of the following is a biotic component of the environment?
A)
Water
done
clear
B)
Soil
done
clear
C)
Air
done
clear
D)
Plants
done
clear
E)
None of these
done
clear
View Answer play_arrow
A farmer spreads cow dung in the field to increase its fertility. After few days he finds that the cow dung has completely vanished from the field. How does it happen?
A)
Cow dung mix with the soil due to the action of soil components.
done
clear
B)
Cow dung mix with the soil due to action of water.
done
clear
C)
Cow dung mix with the soil due to action of decomposers.
done
clear
D)
Cow dung mix with the soil due to temperature.
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following organ systems is given in the picture below?
A)
Circulatory system
done
clear
B)
Nervous system
done
clear
C)
Excretory system
done
clear
D)
Digestive system
done
clear
E)
None of these
done
clear
View Answer play_arrow
A ball is moving on the ground. After sometime, it stops on its own. Which force stopped it?
A)
Gravitational force
done
clear
B)
Muscular force
done
clear
C)
Frictional force
done
clear
D)
Elastic force
done
clear
E)
None of these
done
clear
View Answer play_arrow
In the absence of which force, we can't move on the floor?
A)
Tension force
done
clear
B)
Frictional force
done
clear
C)
Electrostatic force
done
clear
D)
All of these
done
clear
E)
None of these
done
clear
View Answer play_arrow
What is the source of energy for producers?
A)
Water
done
clear
B)
Wind
done
clear
C)
Sun
done
clear
D)
Earth
done
clear
E)
None of these
done
clear
View Answer play_arrow
What kind of organism comes last in every food chain?
A)
Consumers
done
clear
B)
Omnivores
done
clear
C)
Producers
done
clear
D)
Decomposers
done
clear
E)
None of these
done
clear
View Answer play_arrow
Transpiration is a process in plants that is responsible for
A)
making food
done
clear
B)
loosing food
done
clear
C)
making water
done
clear
D)
loosing water
done
clear
E)
None of these
done
clear
View Answer play_arrow
How are nutrients returned to the ecosystem, by
A)
producers
done
clear
B)
decomposers
done
clear
C)
consumers
done
clear
D)
scavengers
done
clear
E)
None of these
done
clear
View Answer play_arrow
Green plants are called:
A)
Heterotrophs
done
clear
B)
Autotrophs
done
clear
C)
Scavengers
done
clear
D)
Decomposers
done
clear
E)
None of these
done
clear
View Answer play_arrow
What is the another name of backbone?
A)
Skull
done
clear
B)
Ribs
done
clear
C)
Vertebral Column
done
clear
D)
Marrow
done
clear
E)
None of these
done
clear
View Answer play_arrow
Accumulation of ___ in our body can cause obesity.
A)
sugar
done
clear
B)
fats
done
clear
C)
vitamin
done
clear
D)
proteins
done
clear
E)
None of these
done
clear
View Answer play_arrow
The instruments used for detecting earthquake waves is called:
A)
thermometer
done
clear
B)
barometer
done
clear
C)
seismograph
done
clear
D)
anemometer
done
clear
E)
None of these
done
clear
View Answer play_arrow
Which one of the following plants has weakest stem?
A)
Mango tree
done
clear
B)
Lemon plant
done
clear
C)
Rose plant
done
clear
D)
Lotus plant
done
clear
E)
None of these
done
clear
View Answer play_arrow