CBSE Class 7 Science - CH1 Nutrition In Plants - Questions and Answers (#cbsenotes)

Nutrition In Plants 

Questions and Answers

Class 7 Science

Q1: Define Nutrition.

Answer: The process of taking in food and its utilization by the body is called nutrition.


Q2: What are nutrients? Name the different nutrients.

Answer: Nutrients are chemical substances present in our food that provide energy and other materials required by the body to live and grow.

Examples of nutrients are:

① Carbohydrates
② Proteins
③ Fats
④ Minerals
⑤ Vitamins



Q3: Name the two modes of nutrition.

Answer:
① Autotrophic
② Heterotrophic

CBSE Class 7 - Science SA2 Sample Question Paper (2016-17)

CBSE Class 7 - Science SA2 Sample Question Paper (2016-17)

Class 7 - Science - Weather, Climate and Adaptation of Animals to Climate (MCQs)

 Weather, Climate and
Adaptation of Animals to Climate 

Protect Our Environment

Class 7 - Science - NCERT Exemlar MCQs Answers

Q1: The maximum and minimum temperature displayed daily in the weather bulletin refer to the –

(a) highest day temperature and lowest night temperature of the day.
(b) highest day temperature and highest night temperature of the month.
(c) temperature recorded at 12 noon and at mid night (00.00 hrs).
(d) average highest temperature of day and average lowest temperature of night.




Q2: Paheli went to a wildlife sanctuary where she saw dense vegetation of trees, shrubs, herbs and also a variety of animals like monkeys, birds, elephants, snakes, frogs, etc. The most likely location of this sanctuary is in the –

(a) temperate region
(b) tropical region
(c) polar region
(d) coastal region




Q3: Out of the given definitions, which is the most appropriate definition of climate?

(a) Changes in weather conditions in a year.
(b) Average weather pattern of many years.
(c) Change in weather pattern in a few years.
(d) Weather conditions during summer.



Q4: Which of the following briefly describes the desert climate?

(a) Hot and humid
(b) Dry and humid
(c) Hot and dry
(d) Hot and wet

CBSE Class 7 - Science - CH17 - Forests: Our Lifeline (MCQs)

Forests: Our Lifeline

Can You Identify Trees by looking at these leaves?
(Answer given below)

MCQs

Q1: The covering of large trees that serve as a roof to shelter an area or other plants in forests is called ___________.

(a) Canopy
(b) Crown
(c) Carnival
(d) none of these



Q2: Green plants synthesize their food by the process of __________

(a) Respiration
(b) Photosynthesis
(c) Crown
(d) Reproduction



Q3: Green plants are also referred as _________

(a) Consumers
(b) Producers
(c) Decomposers
(d) Herbivores


Q4: Tigers, Lions, Leopards belong to which of the following group?

(a) Producers
(b) Herbivores
(c) Decomposers
(d) Carnivores

CBSE Class 7 - Science Quiz (2016)

SCIENCE QUIZ

MCQs based NCERT Class 7 Science Chapters

Q1: The vessels which carry carbon dioxide rich blood from all parts of the body back to the heart are called 

(a) Veins
(b) Arteries
(c) Capillaries
(d) Valves



Q2: There are some chemicals secreted by an insect to attract attention of other members of species. These are called

(a) vitamins
(b) hormones
(c) fibronin
(d) pheromones



Q3: Which gas is produced when sludge is digested?

(a) Methane
(b) Ethane
(c) Propane
(d) Butane



Q4: What do we call the network of several food chains connecting each other?

(a) Food Web
(b) Food Chain
(c) Food Cycle
(d) Trophic Level



Q5: Nagma was playing basketball with her team mates. Just after the game her pulse rate will

(a) increase
(b) decrease
(c) remains same
(d) none of these

CBSE Class 7 - Science - CH16 - Water - A Precious Resource (MCQs)

Water - A Precious Resource

MCQs based on NCERT Chapter

जल है तो कल है
image credits: openclipart

Q1: Tubewells and Springs are the examples of 

(a) surface water
(b) underground water
(c) potable water
(d) all of these


Q2: Which of the following will not help in conservation of water?

(a) drip irrigation
(b) planting more trees
(c) water treatment plant
(d) cutting trees to check water loss due to transpiration



Q3: Ground water accumulates between layers of hard rock. It is known as

(a) aquifer
(b) pond
(c) water table
(d) surface water



Q4: Which of the following is the reason for depletion of water table?

(a) Planting more trees
(b) Heavy Rainfall
(c) Industrialization
(d) Rainwater harvesting

CBSE Class 7 - Science - CH 8 - Wastewater Story (MCQs)

Wastewater Story 

Waster Water Treatment Workflow
Leonard G. at English Wikipedia
[CC BY-SA 2.5 (http://creativecommons.org/licenses/by-sa/2.5)],
via Wikimedia Commons

MCQs based on NCERT Chapter

Q1: The light materials which float during waste water treatment is

(a) sludge
(b) scum
(c) sewerage
(d) biogas



Q2: Which of the following is produced during waste water treatment?

(a) sludge
(b) biogas
(c) both biogas and sludge
(d) none of these



Q3: Contaminated water disease is

(a) gastroenteritis
(b) malaria
(c) flu
(d) none of these



Q4: Which of the following is a part of waste water treatment plant?

(a) clarifier
(b) aeration tank
(c) vertical bars
(d) all of these

CBSE Class 7 - Science - Multiple Choice Questions

Class 7 - Science - Multiple Choice Questions

(MCQs asked in SA1 Q Paper)

Q1: Which part of the plant takes in carbon dioxide from the air for photosynthesis?

(a) Root Hair
(b) Stomata
(c) Leaf veins
(d) Sepals


Q2: Which animal does not yield wool?

(a) Yak
(b) Camel
(c) Goat
(d) Woolly dog


Q3: On Amoeba, food procuring structure is

(a) tongue
(b) tentacle
(c) pseudopodium
(d) radula


Q4: An iron weight at 45 degree Celsius is dipped in a bucket containing water at 45 degree Celsius. The heat will

(a) flow from water to iron weight
(b) flow from iron weight to water
(c) not flow between them
(d) flow and increase the temperature


Q5: A solution turns red litmus paper blue. If a drop of phenolphthalein is added to it.

CBSE Class 7 Science CH15 - Light (MCQs)

Light

Do you know a longer lasting rainbow? Read below to find the answer.

MCQs based on NCERT Chapter

Q1: Rectilinear propagation of light means,...

(a) Light can bend like curves.
(b) Light travels in straight line.
(c) Light bounces back by a medium when it falls on the medium.
(d) Light gives us sense of vision.




Q2: Shadows formation shows that light

(a) can travel in vacuum
(b) travels in straight lines
(c) exhibits wave nature.
(d) carries energy.



Q3: Images that cannot be captured on a screen are called _________.

(a) virtual images
(b) real images
(c) inverted images
(d) reflected images



Q4: Which one of the following does NOT use concave mirror?

(a) magnifier mirror by dentist
(b) reflector in flashlight
(c) solar heater
(d) rear view mirror in cars

CBSE Class 7 - Science - CH 11 - Transportation In Animals and Plants (MCQs)

Transportation In Animals and Plants 

Human Heart Working

MCQs based on NCERT chapter Class 7 Science

Q1: Name the pigment which gives red colour to the blood in mammals.

(a) Globulin
(b) Haemoglobin
(c) Plasma
(d) Platelets



Q2: The fluid part of the blood is called _______

(a) RBCs
(b) Plasma
(c) Haemoglobin
(d) WBCs



Q3: Which component of blood in mammals build up defense against harmful germs enter in the body?

(a) RBCs
(b) Plasma
(c) Platelets
(d) WBCs



Q4: Upper chambers of a human heart are called?

(a) atria
(b) ventricles
(c) pulmunory vein
(d) vena cava

CBSE Class 7 Science CH1 - Nutrition In Plants (MCQs)

Nutrition In Plants

Pitcher Plant: A carnivorous plant
image credits: wikipedia

MCQs
Q1: Which of the following is not an end product of photosynthesis?

(a) Oxygen
(b) Carbon dioxide
(c) Water
(d) Glucose

Q2: Which of the following organisms gets its food from dead and decaying matter?

(a) Algae
(b) Fungi
(c) Amoeba
(d) Insectivorous plants

Q3: Which of the following are autotrophs?

(a) all plants
(b) Green plants
(c) All animals
(d) Unicellular organisms

Q4: Photosynthesis is not possible in the absence of ________.

(a) Guard cells
(b) Chlorophyll
(c) Vacuole
(d) Space between cells

Q5: The associations of organism where they live together and share shelter and nutrients is known as ___________.

CBSE Class 7 Science CH10 Respiration In Organisms (MCQs)

Respiration In Organisms

Human Respiratory System
image credits: wikipedia

MCQs

Q1: Breathing is a ________ process while respiration is a _______ process.

(a) physical, chemical
(b) chemical, physical
(c) physical, physical
(d) chemical, chemical

Q2: Organisms which respire in absence of air are called _________. 

(a) microbes
(b) anaerobes
(c) aerobes
(d) none of these

Q3: Plants breathe through tiny pores in the leaves called ________.

(a) leaf blade
(b) trachea
(c) pores
(d) stomata

Q4: In earthworm, the exchange of gases occurs through ________.

(a) lungs
(b) gills
(c) moist skin
(d) tracheae

Q5: During Inspiration or Inhalation, inside lungs

CBSE Class 7 Science CH 8 Winds, Storms and Cyclones (MCQs)

Winds, Storms and Cyclones 

(MCQs) 

Weather Symbols (Can you guess?)
image credits: openclipart

Q1: When wind speed increases, air pressures

(a) increases
(b) decreases
(c) remains constant
(d) none of these


Q2: What is the name given to the wind blowing from sea to land?

(a) Thunderstorm
(b) Land breeze
(c) Sea breeze
(d) cyclone


Q3: Which one of the following statement is INCORRECT?

(a) When air gets heated, it expands.
(b) when air gets cooled, it contracts.
(c) The warm air is heavier than cold air.
(d) Air moves from high pressure region to low pressure region.


Q4: The direction of airflow is also affected by Earth’s rotation. It is called ________.

(a) Coriolis Effect
(b) El nino Effect
(c) La Nina Effect
(d) Greenhouse Effect

Q5: An instrument used to study the speed of winds is called _________.

CBSE Class 7 Science CH12 Reproduction In Plants (MCQs)

Reproduction In Plants 

MCQs

Structure of Flower

Q1: Which one of the following is NOT a type of asexual reproduction?

(a) Budding

(b) Pollination

(c) Spores

(d) Fragmentation

Q2: Hydra produces by

(a) Fragmentation

(b) Budding

(c) Spores

(d) fusion of gametes

Q3: Which of the following is a male reproductive part of a flower?

(a) Stamen

(b) Pistil

(c) Stem

(d) Root

Q4: The small bulb-like projection coming out of yeast is known as ________.

(a) Fragment

(b) Spore

(c) Bud

(d) Seed

Q5: Which of the following is a male reproductive part of a flower?

CBSE Class 7 - Science - CH6 - Physical and Chemical Changes (MCQs)

Physical and Chemical Changes

MCQs

Is burning a match stick
physical change or chemical?

Q1: Which of the following is a physical change?

(a) Rusting of Iron
(b) Heating of Iron
(c) Burning of Wood
(d) Ripening of a fruit.

Q2: Which of the following is a chemical change?

(a) Boiling of Water
(b) Tearing of Newspaper
(c) Cooking a vegetable
(d) Freezing water into ice

Q3: Which of the following is NOT a physical property of a substance?

(a) shape
(b) color
(c) density
(d) flammability

Q4: Which of the following MIGHT NOT tell a chemical change has taken place?

(a) Evolution of gas.
(b) Light is generated
(c) Production of heat
(d) Converting liquid into gas.

Q5: Turning milk into curd is a

CBSE Class 6-12 - Science - Fathers in Biology

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Fathers of Various Branches in Biology

Aristotle - Father of Biology
credits: wikipedia

Num.	Branch of Biology	Name
1	Father of Biology	Aristotle
2	Father of Zoology	Aristotle
3	Father of Botany	Theophrastus
4	Father of Taxonomy	Carl Linnaeus
5	Father of Plant Physiology	Stephen Hales
6	Father of Bacteriology	Louis Pastuer
7	Father of Microbiology	Leeuwenhoek
8	Father of Immunology	Edward Jenner
9	Father of Cytology	Robert Hooke
10	Father of Mycology	Micheli
11	Father of Genetics	G J Mendel
12	Father of Experimental Genetics	T. H. Morgan
13	Father of Bryology	Johann Hedwig
14	Father of Eugenics	Francis Galton
15	Father of Microscopy	Marcello Malphigi
16	Father of Bio-diversity	E.O. Wilson
17	Father of Medicine	Hippocrates
18	Father of modern Anatomy	Andreas Vesalius
19	Father of Radiation Genetics	H. J. Muller

CBSE Class 7 - Science - CH3 - Fibre to Fabric (MCQs)

 Fibre to Fabric 

(MCQs)

Q1: Which of the following is NOT a Vegetable fibre?

(a) flax
(b) silk
(c) hemp
(d) jute

Q2: Vegetable fibres are made up of

(a) cellulose
(b) protein
(c) nylon
(d) rayon

Q3: Animal Fibres are made up of

(a) cellulose
(b) protein
(c) nylon
(d) rayon


Q4:  Which of the following process is NOT part of wool extraction?

CBSE Class 7 - Science - CH 14 - Electric Current and Its Effects (MCQs)

Electric Current and its Effects
(MCQs)

Why CFL is better than electric bulb?

Q1: The unit to measure electric resistance is:
 
(a) Joule
(b) Ohm
(c) Ampere
(d) Volt


Q2: The device used to make or break an electric circuit is:

(a) Resistor
(b) Battery
(c) Switch
(d) Ammeter


 
Q3: When an electric current passes through a solenoid, it acts as a/an

(a) insulator
(b) electric bell
(c) resistor
(d) bar magnet


Q4:  Which of the following is an essential element in an electric circuit?

CBSE Class 7 - Science - CH9 - Soil (MCQs)

Soil

MCQs

Q1: Which of the following soil type is loosely packed with large air spaces?
(a) Sandy Soil
(b) Clayey Soil
(c) Loamy Soil
(d) None of these


Q2: Percolation rate of water is the least in ___________?
(a) Sandy Soil
(b) Clayey Soil
(c) Loamy Soil
(d) None of these


Q3: Lentils (masoor) and other pulses are grown in which of the following soil type?
(a) Sandy Soil
(b) Clayey Soil
(c) Loamy Soil
(d) None of these

CBSE Class 7 - Science - CH5 Acids, Bases and Salts (MCQs)

Acids, Bases and Salts 

(MCQs)

Q1: The word acid comes from the Latin word 'acere'  which means
(a) Sweet
(b) Salty
(c) Sour
(d) Neutral


Q2: Which of the following is used in match industry.
(a) Sodium chloride
(b) Sodium bicarbonate
(c) Sodium carbonate
(d) Potassium chlorate


Q3: Acids turns blue litmus to ______
(a) green
(b) yellow
(c) red
(d) black