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FINAL QUIZ-VII SCIENCE

Total questions: 90

Worksheet time: 1hrs 25mins

Name
Class
Date
1.
What is an adaptation?
a)
A characteristic that helps an animal survive.
b)
The food that an animal eats.
c)
How energy moves in a food web.
d)
How animals evolve throughout time.
2.
The purpose of selective breeding is to 
a)
Get bigger animals
b)
get smaller animals
c)
create animals with desirable traits
d)
create animals with bad traits
3.

This is any variation that makes an organism better suited to its environment.

a)

Evolution

b)

Graduation

c)

Species

d)

Adaptation

4.
Which feature helps an animal hide from other animals?
a)
looking like a dangerous animal
b)
being the same color as the place it lives (camoflauge)
c)
having sharp claws or a strong shel
d)
having only a few young and caring for them
5.

A natural process in which new organisms are created and the species continues

a)

population

b)

niche

c)

reproduction

d)

behavior

6.

SI unit if time

a)

hour

b)

minute

c)

seconds

7.

A shadows length is the shortest at ___________

a)

noon

b)

Sun rise

c)

Sun set

d)

4:00 pm

8.

The instrument installed in a car for measuring the distance travelled by the car is called:

a)

barometer

b)

speedometer

c)

anemometer

d)

odometer

9.

The slope of a distance-time graph of a moving object indicates:

a)

distance moved by the object

b)

time taken by the object

c)

speed of the object

d)

position of the object

10.

The clocks and watches which are used for measuring time are based on :

a)

Rectilinear motion

b)

circular motion

c)

periodic motion

d)

rotational motion

11.

The distance-time graph of vehicle moving with constant speed is a ________ line

a)

Curved

b)

horizontal

c)

straight

d)

parallel

12.

The time taken by the pendulum to complete one oscillation is called its

a)

duration

b)

displacement

c)

time interval

d)

time - period

13.

A bus takes 30 minutes to travel a distance of 25 kilometers. The speed of the bus in km/h is :

a)

55 km/h

b)

50 km/h

c)

5 km/h

d)

75 km/min

14.

A simple pendulum takes 32 seconds to complete 20 oscillations. The time period of this pendulum is:

a)

12 seconds

b)

1.6 seconds

c)

1.8 seconds

d)

52 seconds

15.

The speed of an object can be represented by:

a)

Pie chart

b)

bar graph

c)

distance-time graph or line graph

d)

histograms

16.

Observe the figure.

The time period of a simple pendulum is the time taken by it to travel from

a)

A to B and back to A

b)

O to A, A to B and B to A

c)

B to A, A to B and B to O

d)

A to B

17.

A body whose position with respect to surrounding does not change is said to be in a state of

a)

Rest

b)

Motion

c)

Vibrational

d)

Curvilinear

18.
Which is true about Asexual reproduction?
a)
Insects are needed to transfer pollen.
b)
New plants grow from seeds. 
c)
Offspring are genetically identical to their parent.
d)
Two types of gametes are involved. 
19.
Which structure is not essential in wind-pollinated flowers?
a)
anther
b)
ovary
c)
petal
d)
stigma
20.

We have all seen bees fly around flowers. When a bee drinks nectar from one flower they sometimes brush up against the stamen. When they go to another flower, they can drop some pollen on the pistil. What process are the bees helping with?

a)

pollination

b)

germination

c)

fertilization

d)

seed dispersal

21.

The petals job is not only to protect the reproductive parts of the plant, but also to

a)

keep wind away from the stamen

b)

attract pollinators with their colors

c)

absorb sunlight

d)

fall off and become food for bugs

22.

The female parts of a flower are ____________________.

a)

ovary

b)

ovule

c)

anther

d)

stigma

23.

Sexual Reproduction involves ______ parents.

a)

zero

b)

one

c)

two

d)

three

24.

Cutting the roots from a carrot and allowing it to grow into a newly formed daughter carrot is called __________.

a)

Vegetative Reproduction

b)

Cloning

c)

Binary Fission

d)

Plants vs. Zombies

25.

Cutting is used in ____________________________.

a)

sugarcane

b)

rose

c)

both rose and sugarcane

26.

A disadvantage of asexual reproduction is

a)

No variation

b)

rapid growth

c)

simple reliable process

d)

no waste

27.

_______is essential for survival of living organisms.

a)

Inhalation

b)

Exhalation

c)

Respiration

d)

none of this

28.

Durning exhalation, the ribs

a)

Move outwards

b)

Move downwards

c)

Move upwards

d)

none of this

29.

Food can also be broken down, without using oxygen . this process is called

(a)  

30.

Normal range of Breathing rate per minute in an average adult person at rest is:

a)

15-18

b)

30-33

c)

21-24

d)

9-12

e)

None of the option

31.

The process of burning of food to release energy requires _________ .

a)

Oxygen

b)

Carbon dioxide

c)

Argon

d)

Nitrogen

32.

What is respiration ?

a)

Process of eating food.

b)

Process of chewing the cud.

c)

Process in which food is broken down in the presence of oxygen to release energy, carbon dioxide, and water vapour.

33.

What is breathing ?

a)

Taking in carbon dioxide and giving out oxygen.

b)

Taking in oxygen and giving out carbon dioxide.

c)

Taking in argon and giving out carbon dioxide.

34.

Parts of human respiratory system are _____________.

a)

Nostrils

b)

Nasal Cavity

c)

trachea

d)

All of them

35.

How are the lungs protected ?

a)

Rib Cage

b)

Scull

c)

Muscles

d)

Hand

36.

The number of times air is inhaled and exhaled in a minute is termed as _________________.

a)

Breathing Rate

b)

Respiration Rate

c)

Eating Rate

d)

Drinking Rate

37.

During which process diaphragm moves downward ?

a)

Inhalation

b)

Exercise

c)

Respiration

d)

Exhalation

38.

Which part of the blood has haemoglobin?

a)

WBCs

b)

RBCs

c)

Blood platelets

d)

Plasma

39.

_____ is the muscular wall that devides the heart length wise-

a)

Septum

b)

Ventricle

c)

Atrium

d)

None

40.

In plants, food prepared by the leaves is transported to all the other parts of the plants by-

a)

Stomata

b)

Phloem

c)

Root hair

d)

Xylem

41.

________ help in the clotting of blood.

a)

WBCs

b)

RBCs

c)

Platelets

d)

Blood Plasma

42.

Excretion, in unicellular plants and animals, takes place through _________.

a)

Diffusion

b)

Osmosis

43.

Urine gets collected in the _______.

a)

Ureter

b)

Kidney

c)

Urethra

d)

Urinary bladder

44.

________ is the blood vessels which carry oxygen rich blood, from the heart, to all parts of the body.

a)

Arteries

b)

Veins

c)

Systole

d)

Xylem

45.

Which of the following is not a function of blood?

a)

Blood cells, especially the WBCs, help fight infections.

b)

Blood helps to distribute the digested food to all parts of the body.

c)

Circulation of blood helps to maintain the body temperature

d)

Blood removes the carbon dioxide, produced during respiration.

46.
The smallest type of blood vessel is the:
a)
nerve
b)
vein
c)
capillary
d)
artery
47.
What is the largest artery in the human body called?
a)
Superior Vena Cava
b)
Aorta
c)
Inferior Vena Cava
d)
Pulmonary Artery
48.
Vascular tissue that transports water and minerals UPWARDS from a plant's roots is know as ______.
a)
Chlorophyll
b)
Phloem
c)
Stomata
d)
Xylem
49.
Transpiration is
a)
the movement of water through a plant from the roots up the stem
b)
the loss of water from the leaves of a plant by the process of evaporation
c)
the flow of water into plant roots by osmosis from the soil
d)
the process of minerals and sugars moving through plant veins
50.
This is the definition for which word:The movement of water molecules from a high concentration of water to a low concentration of water across a partially permeable membrane.
a)
Osmosis
b)
Diffusion
c)
Active transport
d)
Transpiration
51.
How does light travel
a)
It curves around corners
b)
Really slow
c)
In a straight line
d)
In circles
52.

This diagram best represents

a)

reflection

b)

refraction

c)

absorption

d)

dispersion

53.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
54.
Convex Mirrors produce...
a)
only virtual images
b)
virtual or real images
c)
only real images
d)
inverted images
55.
Real images are :
a)
Always inverted
b)
Magnified or Diminished
c)
can be obtained on screen
d)
all the above
56.

A dentist uses a small dental mirror to help magnify teeth in your mouth. What type of mirror is this?

a)

a convex mirror

b)

a concave mirror

c)

a convex lens

d)

a concave lens

57.

What is the ray of light that strikes the surface ?

a)

Incident ray

b)

reflected ray

c)

normal ray

d)

normal

58.

A shopkeeper wants to keep an eye on his store in order to prevent shoplifting. What could the shopkeeper hang on the wall in order to see a wider image of his store and his customers?

a)

a convex mirror

b)

a concave mirror

c)

a convex lens

d)

a concave lens

59.

A flat mirror is an example of a ___.

a)

plane mirror

b)

concave mirror

c)

convex mirror

d)

spherical mirror

60.
The following is a picture of what type of mirror? 
a)
Convex Mirror
b)
Concave Mirror
c)
Plane Mirror
d)
Flat Mirror
61.

An image that forms when light rays actually meet

a)

virtual image

b)

real image

c)

diffuse reflection

d)

regular reflection

62.
The line that passes through the center of a curved mirror is called
a)
focal point
b)
center of curvature 
c)
principle axis
d)
light ray
63.

What word means to bend light rays away from each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

64.

Type of mirror used as a side mirror on a vehicle to provide a wide angle view...

a)

Plane

b)

Convex

c)

Concave

65.

Type of mirror that can produce an inverted image...

a)

Plane

b)

Convex

c)

Concave

66.
The focal length is equal to the:
a)
radius of curvature
b)
diameter of curvature
c)
half radius of curvature
d)
half diameter of curvature
67.
Convex mirrors cause light to spread out.
a)
True
b)
False
68.

The process of selecting parents for obtaining special characters in their offspring .

a)

Shearing

b)

Selective breeding

c)

Selective scouring

69.

In Tibet and Ladakh ------- Wool is common.

a)

Rabbit

b)

Sheep

c)

Yak

70.

Llama and Alpaca are found in ------ .

a)

South America

b)

North America

c)

North Africa

71.

In the process of ------ , hair of different textures are separated.

a)

Shearing

b)

Sorting

c)

Scouring

72.

Which of the following is known as ' golden fibre' ?

a)

Wool

b)

Jute

c)

Polyester

d)

Rayon

73.

Which component is present in silk fibre?

a)

Fats

b)

Proteins

c)

Carbohydrates

d)

Vitamins

74.

What is a sewage treatment plant?

a)

The place where water is cleaned, filtered and tested before re-entering the water cycle.

b)

The place where water is cleaned, filtered and tested before going to our houses.

c)

The network of pipes that carry sewage (dirty water) from our houses.

d)

The place where water is bottled for drinking.

75.

Sewage is mainly a

a)

liquid waste.

b)

solid waste.

c)

gaseous waste.

d)

mixture of solid and gas.

76.

Which of the following is/are products of wastewater treatment?

a)

Biogas

b)

Sludge

c)

Aerator

d)

Both biogas and sludge

77.

The system of a network of pipes used for taking away wastewater from homes or public buildings to the treatment plant is known as

a)

sewers

b)

sewerage

c)

transport system.

d)

treatment plant.

78.

Drains get blocked by_________and__________.

a)

Oil

b)

Plastic

c)

None of these

d)

Both oil and plastic

79.

Who said this ("no one need to wait for anyone else to adopt a humane and enlightened course of action.")

a)

Mahatma Gandhi

b)

Government of India

c)

None of these

80.

In the year_________ the Government of India has initiated a new mission known as (swachh Bharat)

a)

2016

b)

2015

c)

2014

d)

2017

e)

2011

81.

Full form of WWTP

(a)  

82.
What is the finger-like projections found in the digestive system called?
a)
Protozoa
b)
Villi
83.

Digestion converts protein into which simpler substance?

(a)  

84.

The enzymes present in the saliva convert

a)

fats into fatty acids and glycerol.

b)

starch into simple sugars.

c)

proteins into amino acids.

d)

complex sugars into simple sugars.

85.

The piercing and tearing teeth is called

a)

incisor

b)

Canine

c)

Pre-molar

d)

Molar

86.

Choose the correct order after reading the statement below.


Digestion is a complex process involving:

a)

Ingestion, Absorption, Digestion, Assimilation, Egestion

b)

Ingestion, Digestion, Assimilation, Absorption, Egestion

c)

Ingestion, Digestion, Absorption, Assimilation, Egestion

d)

Ingestion, Absorption, Assimilation, Digestion, Egestion

87.

1) Glucose combines with oxygen and produces _________.

a)

Gas

b)

Energy

c)

Liquid

d)

Carbon

88.

Water from the undigested food is absorbed mainly in the_____.

a)

Stomach

b)

Food Pipe

c)

Small Intestine

d)

Large Intestine

89.

____ is the largest gland in our body.

a)

Skin

b)

Hand

c)

Liver

d)

Leg

90.

The mode of feeding of the mosquito_____.

a)

Chewing

b)

Cuddling

c)

Scraping

d)

Sucking

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