All Exams  >   UPPSC (UP)  >   6 Months Preparation Course for UPPSC  >   MCQ Questions

Class 7 MCQs for UPPSC (UP) Exam

It covers all Important Questions with answers on Class 7 for the UPPSC (UP) exam. The questions are based on important topics. Details about the questions:
  • Topic: Class 7
  • Type of Questions: MCQs with solutions
  • Number of Questions: 50
  • You can attempt them on EduRev to score high in UPPSC (UP) exam.

Acid turns blue litmus
A: Orange
B: Pink
C: green
D: Red
Correct answer is 'D'. Can you explain this answer?

Jithin Chawla answered
Acids turn blue litmus red. Litmus paper is used as indicator to check acids and bases.

Which of the following is a natural indicator
  • a)
    Turmeric
  • b)
    Methyl orange
  • c)
    Oxalic acid.
  • d)
    Phenolphthalein
Correct answer is option 'A'. Can you explain this answer?

Sanjana Kumar answered
Some of the natural indicators are red cabbage juice, onion paste, turmeric, lemon juice etc. Natural indicators are turmric,litmus,china rose etc are some natural indicators. Some Natural Indicators are red Cabbage juice,turmeric,china rose[hibiscus] and litmus.

Practice Quiz or MCQ (Multiple Choice Questions) with solutions are available for Practice, which would help you prepare for chapter  Physical and Chemical Changes, Class 7, Science. You can practice these practice quizzes as per your speed and improvise the topic. 
Q.
Melting of ice is a
  • a)
    Both physical and chemical change
  • b)
    Chemical change
  • c)
    Periodic change
  • d)
    Physical change
Correct answer is 'D'. Can you explain this answer?

Maitri Sarkar answered
Melting of ice is a physical change because it involves change only in the physical state of water: from ice in the solid state to water in the liquid state. 
Moreover, no new chemical substance is formed in the process and this change is reversible. Water can be converted back into ice simply by freezing.

A device which prevents or allow the current to flow through it
  • a)
    Motor
  • b)
    Terminal
  • c)
    Conductor
  • d)
    Switch
Correct answer is option 'D'. Can you explain this answer?

Rohini Seth answered
A circuit breaker can be used over and over again. The basic circuit breaker consists of a simple switch, connected to an electromagnet.
Generally electrical current requires a close path or circuit to flow, so when switch is off it won't flow. A switch prevents or allow the current to flow through it.

In insects, air enters the body through
  • a)
    Spiracles
  • b)
    Gills
  • c)
    Lungs
  • d)
    Skin
Correct answer is option 'A'. Can you explain this answer?

Maitri Sarkar answered
Insect bodies have openings, called spiracles, along the thorax and abdomen. These openings connect to the tubular network, allowing oxygen to pass into the body, regulating the diffusion of CO2 and water vapor. 

A car is moving with 72 km/hrs. The speed of the car in m/s is
  • a)
    30 m/s
  • b)
    20 m/s
  • c)
    40 m/s
  • d)
    25 m/s
Correct answer is option 'B'. Can you explain this answer?

Meera Reddy answered
 We know , 
1 km=1000m , 1 hour=3600s
1km/h=1000/3600m/s=5/18m/s
72km/h=72×5/18m/s
=4×5m/s
=20m/s.

The excess of water absorbed plants by their roots gets evaporated through the process of
  • a)
    Absorption
  • b)
    Elimination
  • c)
    Transpiration
  • d)
    Excretion
Correct answer is option 'C'. Can you explain this answer?

Prisha Mehta answered
Plants lose gallons of water every day through the process of transpiration, the evaporation of water from plants primarily through pores in their leaves. Up to 99% of the water absorbed by roots is lost via transpiration through plant leaves.

What percent of your body weight is water?
  • a)
    50%
  • b)
    70%
  • c)
    60%
  • d)
    80%
Correct answer is option 'C'. Can you explain this answer?

Rithika Roy answered
About 60% of our body consists of water. It forms the main constituent of cell and blood.

Which of the following is a reversible change?
  • a)
    Melting of ice
  • b)
    Germination of seed
  • c)
    Burning of matchstick
  • d)
    Changing of milk into curd
Correct answer is option 'A'. Can you explain this answer?

Varun Kapoor answered
Melting of ice is a reversible change while burning of matchstick, changing of milk into curd and germination of seed is chemical change.

What is the name of object through which light can pass?
  • a)
    Opaque
  • b)
    Translucent
  • c)
    Transparent
  • d)
    Luminous
Correct answer is option 'C'. Can you explain this answer?

Sanaya Shah answered
The object through which light can pass easily is called transparent object. Glass, water and thin plastic sheets are transparent object.

Water is a/an
  • a)
    Element
  • b)
    Mixture
  • c)
    Solution
  • d)
    Compound
Correct answer is option 'D'. Can you explain this answer?

Anand Iyer answered
Water is a compound as it contains hydrogen and oxygen in fixed ration by mass.

There is acute water shortage due to
  • a)
    Excessive population growth
  • b)
    Climate change
  • c)
    Global warming
  • d)
    Excess evaporation
Correct answer is option 'A'. Can you explain this answer?

Advait Pillai answered
There is acute shortage of water throughout the world due to excessive population growth which leads to overuse and misuse of water.

Climate of a place do not depends on
  • a)
    Latitude
  • b)
    Wind
  • c)
    Humidity
  • d)
    Longitude
Correct answer is option 'D'. Can you explain this answer?

Palak Iyer answered
The factors that determine the climate of a place are:
· Latitude
· Altitude
· Winds
· Distance from the sea
· Humidity and Ocean Currents
Longitude is not a factor that determines the climate of a place.

Practice Quiz or MCQ (Multiple Choice Questions) with solutions are available for Practice, which would help you prepare for chapter Water A Precious Resource, Class 7, Science. You can practice these practice quizzes as per your speed and improvise the topic. 
Q.
Ground water between two layers of rocks is called
  • a)
    Rain water
  • b)
    Water table
  • c)
    Aquifer
  • d)
    Water level
Correct answer is 'C'. Can you explain this answer?

Kiran Bajaj answered
If groundwater is between two confined layers, it is called confined aquifer. If groundwater is not confined by an upper confining layer, it is unconfined equifer. If, on the other hand, groundwater is confined by two confining units (such as upper confining layer and lower confining layer), it is called confined aquifer.

Q. The centre of cyclone is known as
a)Eyes of hurricanes
b)Ear of hurricanes
c)Middle of hurricanes
d)Nose of hurricanes
Correct answer is option 'A'. Can you explain this answer?

Prashanth Sen answered
The most recognizable feature found within a cyclone is the eye. They are found at the center and are between 20-50km in diameter. The eye is the focus of the cyclone, the point about which the rest of the storm rotates and where the lowest surface pressures are found in the storm

Chapter doubts & questions for Class 7 - 6 Months Preparation Course for UPPSC 2026 is part of UPPSC (UP) exam preparation. The chapters have been prepared according to the UPPSC (UP) exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for UPPSC (UP) 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

Chapter doubts & questions of Class 7 - 6 Months Preparation Course for UPPSC in English & Hindi are available as part of UPPSC (UP) exam. Download more important topics, notes, lectures and mock test series for UPPSC (UP) Exam by signing up for free.

Top Courses UPPSC (UP)