Read each set of terms and identify the odd set.

1

(a)

Cow, milk, butter

(b)

Hen, meat, egg

(c)

Goat, milk, meat

(d)

Plant, vegetable, butter, milk

One of the following food is not obtained from animals. The food is

1

(a)

honey

(b)

milk

(c)

maize

(d)

mutton

Which part of the plant is associated with movement towards light?

1

(a)

Stem

(b)

Root

(c)

Leaf

(d)

All

In cockroaches, the body parts helping in movement are 

1

(a)

three pairs of legs and two pairs of wings

(b)

two pairs of legs and two pairs of wings

(c)

two pairs of legs and three pairs of wings

(d)

None of the above

The delicate internal organ which is not protected by the ribcage is

1

(a)

heart

(b)

brain

(c)

liver

(d)

lungs

Find the odd one out:

1

(a)

Rotation of earth about its axis

(b)

Tabla surface

(c)

Blades of rotating fan

(d)

Moving vehicle on straight road

S.I. unit of length is

1

(a)

Centimetre

(b)

10mm

(c)

Metre

(d)

Kilometre

An example of rectilinear motion is

1

(a)

Afree falling apple from tree

(b)

A stone thrown downward with force

(c)

 Astone throw horizontally with great force

(d)

None of these

Bouncing back of ray of light from shining surface on which it was incident is known as

1

(a)

refraction

(b)

bending

(c)

reflection

(d)

dispersion

Image of sun through a pinhole camera can be seen as:

1

(a)

Long

(b)

Cylindrical

(c)

Circular

(d)

Any of these

Potable water is

1

(a)

ocean water

(b)

groundwater at selected places

(c)

river water

(d)

ponds water

When your toys become useless, what do you call them?

1

(a)

Compost

(b)

Garbage

(c)

Toxic

(d)

Recycle

One metre is equal to 1000 cm.

1

(a) True

(b) False

Motion of earth about its own axis is rotatory.

1

(a) False

(b) True

From a broken meter scale, measurement can be done from zero mark.

1

(a) True

(b) False

An elastic tape cannot give a true measurement.

1

(a) False

(b) True

The SI unit of distance is cm.

1

(a) True

(b) False

A flying bird in the sky is at rest.

1

(a) True

(b) False

Motion of a wheel of a car is rectilinear as well as circular motion.

1

(a) False

(b) True

A cloth merchant uses a meter rod to measure the length of the cloth.

1

(a) False

(b) True

The object which does not change its position time is said to be at rest.

1

(a) False

(b) True

What type of garbage is used for composting?

1

(a)

Plant wastes, animal wastes and waste food are used for composting.

Assign a term to different components of food.

2

(a)

Pulses are rich sources of proteins, usually cooked. Is there a way to consume pulses raw?

2

(a)

Do people of all ages and different professional backgrounds need some type of diet?

2

(a)

Mention two functions of a stem.

2

(a)

What is a fixed joint? Give an example.

2

(a)

A few animals can live in both places, i.e. land and water. Name at least two.

2

(a)

Name two devices that are used to measure length.

2

(a)

Mention the name of an object which partially allows the light to pass through it.

2

(a)

(a) What are carbohydrates? Give an example.
(b) In which forms are carbohydrates found in our food?

3

(a)

On the basis of height, name the three types of plants.

3

(a)

Briefly explain an exoskeleton. Also give examples.

3

(a)

List the types of movements seen in plants.

3

(a)

While measuring the length of a knitting needle, the reading of the scale at one end is 3 cm and at the other end is 33.1 cm. What is the length of the needle?

3

(a)

Three torches A, Band C shown in figure are switched ON one by one. The light from which of the torches will not form a shadow of the ball on the screen?

3

(a)

Paheli was writing a letter to her friend. She crumpled and threw the first draft of her letter on the floor as it had become untidy. Similarly, she crumpled and threw 6 more papers on the ground. In the end, she picked them up and put them in a polythene bag and threw it on the road outside her house.
Do you think, Paheli's action were responsible? What would you have done if you were in her place?

3

(a)

How will you test the presence of proteins in food items?

5

(a)

Observe figure and attempt the questions that follow it.

(a) Label the parts (i), (ii), (iii) and (iv) in the figure.
(b) What type of venation does the leaf has?
(c) What type of venation is seen in grass leaves? 

5

(a)

Rishi was playing football with his friends. While playing football he fell down and started crying. On seeing him crying, his friends rushed to him and found that he was unable to move his right leg. His friends took him to his house. His father immediately rushed him to a doctor. Doctor diagnosed that his leg was fractured.
(a) Can you suggest, how did doctor diagnose in Rishi's leg?
(b) What do X-rays show us?
(c) What are the values shown by Rishi's friends?

5

(a)

Define the following:
(i) Prey
(ii) Predators
(iii) Acclimatization
(iv) Adaptation
(v) Stimuli

5

(a)

It is not accurate to measure a length with elastic tapes. Explain why.

5

(a)

A sheet of plywood, a piece of muslin cloth and that of a transparent glass, all of the same size and shape were placed at A one by one in the arrangement shown in figure. Will the shadow be formed in each case? If yes, then how will the shadow on the screen be different in each case? Give reasons for your answer.

5

(a)

The pie charts A and B shown in the figure are based on waste segregation method adopted by two families X and Y, respectively.

Which of the two families X or Y, do you think is more environmentally conscious and why?

5

(a)

Beautiful handcrafted articles like boxes and toys are made up of paper pulp in our country. Can you explain how paper pulp which is made from paper can be used to make hard boxes and other articles?

5

(a)