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Grade4_fa2_revision

Total questions: 36

Worksheet time: 18mins

Name
Class
Date
1.

Plants having fibrous root

a)

grass

b)

carrots

c)

rice

d)

Wheat

2.

Leaves appear green because of ------

(a)  

3.

Tiny pores on the undersurface of a leaf

(a)  

4.

Which process results in cooling effect on plants?

(a)  

5.

We obtain -------- from the outer covering of a coconut fruit.

(a)  

6.

How do you call the part that is the tip of the leaf?

a)

Leaf apex

b)

Leaf margin

c)

Vein

d)

Mid vein

e)

Leaf blade

7.

How do you call the part that joins the leaf to the stem?

a)

Leaf margin

b)

Petiole

c)

Vein

d)

Mid vein

e)

Leaf blade

8.

Mango, neem, coconut have thick woody stems called

a)

trunks

b)

vine

c)

creeper

9.

(a)   is the process by which plants absorb water through their roots from the soil and release water as water vapour through stomata

10.

Rubber is obtained from the sap of

a)

Acacia

b)

Rubber tree

c)

Pine

11.

State any two functions of the Stem.

4 lines
12.

__________ oil is used in aroma therapy for its soothing smell.

a)

Kewra

b)

Lavender

c)

Neem

13.

Soaps, shampoos and perfumes use_____ and______ flowers.

a)

rose and jasmine

b)

castor and indigo

c)

kewra and tulsi

14.

Tap root is a bunch of small, thin root that grow from the base of the stem.

a)

True

b)

False

15.

Identify the process.

a)

Germination

b)

Excretion

c)

Photosynthesis

16.

The process by which green leaves make food in the presence of sunlight is called as (a)  

17.

This soil is mostly found in India.

a)

Black soil

b)

Laterite soil

c)

Mountain soil

d)

Alluvial soil

18.

Which type of soil is most suitable to grow cotton soil?

a)

Red soil

b)

Alluvial soil

c)

Black soil

d)

Laterite soil

19.

Red soil appears red due to the presence of ————

a)

Copper

b)

Iron

c)

clay

d)

gold

20.

Which soil is formed from the rocks made of lava?

a)

Alluvial soil

b)

Black soil

c)

Red soil

d)

Laterite soil

21.

_______ are small channels through which water from the rivers or dams is diverted to the fields.

a)

Rivers

b)

Wells

c)

Dams

d)

Canals

22.

_________ is constructed n river Mahanadi in Odisha

a)

Nagarjuna Sagar dam

b)

Bhakra Nangal dam

c)

Tehri dam

d)

Hirakud dam

23.

Under the conditions of high temperature and rainfall __________ soil are formed in tropical areas.

a)

Alluvial

b)

Black

c)

Red

d)

Laterite

24.

This is the picture of __________ irrigation method

a)

A) Drip

b)

B) Sprinkle

c)

C) Surface

25.

this is the picture of __________ irrigation method

a)

A)sprinkler

b)

B)drip

c)

C)pully

26.

Which irrigation system has an arm that rotates around?

a)

Central Pivot

b)

Gravity irrigation

27.

This type of soil is used for making bricks.

a)

red

b)

black

c)

laterite

d)

mountain

28.

Name the dam found in Maharashtra.

a)

Bhakra-Nangal damover Satluj

b)

Koyna dam over Koyna

c)

Idukki dam over Periyar

29.

Name the dam found in Himachal Pradesh.

a)

Bhakra-Nangal damover Satluj

b)

Koyna dam over Koyna

c)

Idukki dam over Periyar

d)

Hirakud Dam over Mahanadi

30.

Name the dam found in Gujarat and Rajasthan.

a)

Koyna dam over Koyna

b)

Idukki dam over Periyar

c)

Hirakud Dam over Mahanadi

d)

Sardar Sarovar Dam over Narmada

31.

Name the dam found in Odisha.

a)

Koyna dam over Koyna

b)

Idukki dam over Periyar

c)

Hirakud Dam over Mahanadi

d)

Sardar Sarovar Dam over Narmada

32.

Name the dam found in Kerala.

a)

Bhakra- Nangal dam over Satluj

b)

Idukki dam over Periyar

c)

Hirakud Dam over Mahanadi

d)

Sardar Sarovar Dam over Narmada

33.

This soil is formed by weathering of ancient metamorphic rocks of the Deccan Plateau

a)

Laterite

b)

Black

c)

Red

d)

Alluvial

34.

This type of irrigation reducers the loss of water through evaporation and runoff.

a)

Sprinkler

b)

Drip

c)

Seep

d)

Rotary

35.

This system waters a larger area with small amounts of water over a longer period of time.

a)

Drip

b)

Central pivot

c)

Rotary

d)

Sub

36.

choose the correct pairs

a)

pepper-spice

b)

paper-bamboo

c)

coir-rubber

d)

aloe vera- medicine