Math, asked by gayatri10s, 1 month ago

Rohan drove 7km to the east and then 24km to the north. Find the distance
between his starting point and the final destination.

Please give the answer with the diagram

Answers

Answered by manreetkaur99
0

Answer:

4.

Which of the following is not a traditional irrigation method?

(1 Point)

( a)Moat

( b) Chain pump

( c)Lever system

(d)Drip system

5.

Weeds are controlled by chemicals called _________.

(1 Point)

( a)Pesticides

(b)Fungicides

(c)Weedicides

(d)Insecticides

6.

Arrange the following agricultural practices in the order in which they are followed.

1. Harvesting

2. Sowing

3. Storage

4. Irrigation

5. Preparation of soil

(1 Point)

( a) 1→2→3→4→5

( b) 5→2→4→1→3

( c) 2→1→3→5→4

(d) 5→3→4→1→2

7.

Identify the agricultural method in which different crops are grown on a piece of land season after season.

(1 Point)

( a) Irrigation

( b) Monoculture

( c) Crop rotation

(d) Shifting cultivation

8.

Rhizobium bacteria in the root nodules of leguminous plants help in fixing:

(1 Point)

( a) Sulphur

( b) Oxygen

( c) Nitrogen

( d) Hydrogen

9.

Wheat and gram belong to

(1 Point)

(a) Rabi crops

(b) Kharif crops

(c) Both of these

(d) None of these

10.

The process of separating grains from chaff is known as:

(1 Point)

( a) Threshing

( b) Harvesting

( c) Tilling

( d ) Transplantation

11.

The disease caused by protozoa is

(1 Point)

(a) tuberculosis

(b) polio

(c) typhoid

(d) malaria

12.

Which bacteria helps in settling of curd?

(1 Point)

(a) Rhizobium

(b) Lactobacillus

(c) Vibriocholarae

(d) Bacillus

13.

What helps in the rise of bread or dosa dough?

(1 Point)

(a) Heat

(b) Grinding

(c) Growth of yeast cells

(d) Low pressure

14.

Vaccine for small pox is discovered by

(1 Point)

(a) Louis Pasteur

( b) Alexander Fleming

( c) Edward Jenner

( d) John Mendal

15.

Amount of nitrogen in the atmosphere is

(1 Point)

(a) 58%

( b) 68%

( c) 78%

( d) 88%

16.

In order to take precautionary steps to control DENGUE , we must take measures to stop the breeding of:

(1 Point)

( a) Aedes mosquito

(b) Fleas

( c) Fire ants

( d) Anopheles mosquito

17.

Which of the following is a communicable disease?

(1 Point)

( a) Diabetes

( b) Chicken pox

( c) Alzheimer’s

( d) Cancer

18.

The metal which is liquid at room temperature is

(1 Point)

(a) sodium

(b) bromine

(c) calcium

(d) mercury

19.

Name the gas evolved when magnesium reacts with dilute hydrochloric acid

(1 Point)

(a) Chlorine

(b) Oxygen

(c) hydrogen

(d) Nitrogen

20.

Materials having qualities of both metals and non-metals are

(1 Point)

(a) Elements

(b) metalloids

(c) noble metals

(d) none of these

21.

A reaction in which a more reactive metal replaces a less reactive metal from its salt solution is called a________ reaction.

(1 Point)

(A.) combination

(B. ) displacement

(C). double displacement

(D.) addition

22.

When sulphur reacts with oxygen, the oxide formed is ___ in nature.

(1 Point)

(A.) alkaline

(B.) neutral

(C.) basic

( D.) acidic

23.

The property by which metals can be beaten into sheets is known as ___

(1 Point)

( A.) ductility

( B.) sonority

( C.) lusture

(D.) malleability

Answered by sehrali3b
1

Answer:

distance travelled = (7+24 )Km

Step-by-step explanation:

refer to the image for daigram

Attachments:
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