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51.

How different colours are used to depict different things on a physical map?

Answer» How different colours are used to depict different things on a physical map?
52.

0.26x+0.09x=8-0.3x

Answer»

0.26x+0.09x=8-0.3x

53.

In the Wootz steel production process, iron was mixed with which element?

Answer»

In the Wootz steel production process, iron was mixed with which element?


54.

निम्नलिखित प्रश्न का उत्तर (50-60 शब्दों में) लिखिए − 'बुद्धि पर मार' के संबंध में लेखक के क्या विचार हैं?

Answer»

निम्नलिखित प्रश्न का उत्तर (50-60 शब्दों में) लिखिए


'बुद्धि पर मार' के संबंध में लेखक के क्या विचार हैं?

55.

भारतेंदु मंडल के प्रमुख लेखकों के नाम और उनकी प्रमुख रचनाओं की सूची बनाकर स्पष्ट कीजिए कि आधुनिक हिंदी गद्य के विकास में इन लेखकों का क्या योगदान रहा?

Answer» भारतेंदु मंडल के प्रमुख लेखकों के नाम और उनकी प्रमुख रचनाओं की सूची बनाकर स्पष्ट कीजिए कि आधुनिक हिंदी गद्य के विकास में इन लेखकों का क्या योगदान रहा?
56.

Which of the following group is most affected by air pollution?

Answer»

Which of the following group is most affected by air pollution?


57.

How can the noise pollution be controlled in a residential area? [5 MARKS]

Answer»

How can the noise pollution be controlled in a residential area? [5 MARKS]

58.

Chassez l'intrus.1. aura/partira/ira/viendra.2. descendu/venu/ouvert/sortir.3. devenir/fatiguer/situer/regarder.4. va/tient/répondu/met.

Answer» Chassez l'intrus.



1. aura/partira/ira/viendra.

2. descendu/venu/ouvert/sortir.

3. devenir/fatiguer/situer/regarder.

4. va/tient/répondu/met.
59.

Question 8The substance expected to have the highest ignition temperature out of the following is(a) Kerosene(b) Petrol(c) Coal(d) Alcohol

Answer» Question 8

The substance expected to have the highest ignition temperature out of the following is



(a) Kerosene

(b) Petrol

(c) Coal

(d) Alcohol
60.

Alex observed nests made by four birds - Sun bird, Weaver bird, Owl and Tailor bird. Identify the odd one out and explain it.

Answer» Alex observed nests made by four birds - Sun bird, Weaver bird, Owl and Tailor bird. Identify the odd one out and explain it.
61.

Why mountains on this earth have a maximum limit?

Answer» Why mountains on this earth have a maximum limit?
62.

What are biosphere reserves and what are their functions? [3 MARKS]

Answer» What are biosphere reserves and what are their functions? [3 MARKS]
63.

Bigha is a unit to express the area of forests in Uttar Pradesh.1 Bigha =1x hectare. What is the value of x?6

Answer» Bigha is a unit to express the area of forests in Uttar Pradesh.

1 Bigha =1x hectare. What is the value of x?
  1. 6
64.

Reason behind collapse of buildings. Why in 1985, buildings of intermediate height collapsed in Mexico City during an eartquake while taller and shorter buildings reminded standing

Answer» Reason behind collapse of buildings. Why in 1985, buildings of intermediate height collapsed in Mexico City during an eartquake while taller and shorter buildings reminded standing
65.

World Economic Forum annually publishes ____________

Answer»

World Economic Forum annually publishes ____________

66.

Is maximum velocity of photoelectron dependent on intensity?

Answer» Is maximum velocity of photoelectron dependent on intensity?
67.

How to conserve forest

Answer»

How to conserve forest

68.

Which industries use products from the sea and oceans as raw materials?

Answer»

Which industries use products from the sea and oceans as raw materials?


69.

When do authorities change their narrative from outbreak to epidemic?

Answer»

When do authorities change their narrative from outbreak to epidemic?


70.

What is mechatronics? What mechatronics engineer do?

Answer»

What is mechatronics? What mechatronics engineer do?

71.

Which habitats are characterized by the predominance of grass?

Answer»

Which habitats are characterized by the predominance of grass?



72.

Identify the adverb in the sentence. Although he tried, Mack never made it to the peak.

Answer»

Identify the adverb in the sentence.

Although he tried, Mack never made it to the peak.


73.

What are the main causes of water pollution ? How can it be controlled ?

Answer»

What are the main causes of water pollution ? How can it be controlled ?



74.

Maruti Udyog Limited is an example of which type of industry?

Answer»

Maruti Udyog Limited is an example of which type of industry?


75.

Question 20The following is the map of a town. Based on it answer the question.The ratio of the number of general stores and that of the ground is (a) 1 : 2(b) 2 : 1(c) 2 : 3(d) 3 : 2

Answer»

Question 20



The following is the map of a town. Based on it answer the question.



The ratio of the number of general stores and that of the ground is

(a) 1 : 2

(b) 2 : 1

(c) 2 : 3

(d) 3 : 2



76.

Question 14Name any two sources which cause air pollution due to suspended particulate matter (SPM).

Answer»

Question 14

Name any two sources which cause air pollution due to suspended particulate matter (SPM).



77.

Discuss the Viability of Organic farming in the context of Vermi Composing.

Answer» Discuss the Viability of Organic farming in the context of Vermi Composing.
78.

Change the sentence to the active voice. An interesting book on rock formation is being read by the geologist.

Answer»

Change the sentence to the active voice.

An interesting book on rock formation is being read by the geologist.


79.

How the siesmograph doesn't move during the earthquake while it is on the earth only?

Answer» How the siesmograph doesn't move during the earthquake while it is on the earth only?

80.

Weather is defined as ___________ .

Answer»

Weather is defined as ___________ .


81.

According to the author, commercial aeronautics, in contrast to military aeronautics, has declined because, among other things,

Answer» According to the author, commercial aeronautics, in contrast to military aeronautics, has declined because, among other things,
82.

According to the World Health Organizations report released which of the following has been announced as the worst polluted city in the world in terms of air quality?

Answer»

According to the World Health Organizations report released which of the following has been announced as the worst polluted city in the world in terms of air quality?


83.

Biogas is produced using

Answer»

Biogas is produced using


84.

Considering the many dangerous effects of noise pollution, can you identify the unnecessary sources of noise pollution around you which can be reduced immediately without any financial loss to anybody?

Answer» Considering the many dangerous effects of noise pollution, can you identify the unnecessary sources of noise pollution around you which can be reduced immediately without any financial loss to anybody?
85.

Rahul wants to purchase a house in a country. He has to choose a place among four countries. The seismographic readings of four countries are given below. Among the given countries, which country should he choose for his purchase?

Answer»

Rahul wants to purchase a house in a country. He has to choose a place among four countries. The seismographic readings of four countries are given below. Among the given countries, which country should he choose for his purchase?


86.

What are the waves produced by tremors on the surface of the earth called? Which instrument is used to record them?

Answer»

What are the waves produced by tremors on the surface of the earth called? Which instrument is used to record them?


87.

Tick thecorrect answer.(i)Horticulture means (a) Growing of fruits and vegetables (b) Primitive farming (c) Growing of wheat (ii)Golden fibre refers to (a) Tea (b) Cotton (c) Jute (iii)Leading producer of coffee (a) Brazil (b) India (c) Russia

Answer»

Tick the
correct answer.


(i)
Horticulture means














(a) Growing of fruits and
vegetables



(b) Primitive farming



(c) Growing of wheat




(ii)
Golden fibre refers to












(a) Tea



(b) Cotton



(c) Jute




(iii)
Leading producer of coffee












(a) Brazil



(b) India



(c) Russia


88.

Give examples of the importance of climate in the living world with explanations, in your own words.

Answer»
Give examples of the importance of climate in the living world with explanations, in your own words.
89.

Question 5 (e)Solution in brief.What is Red Data Book?

Answer» Question 5 (e)

Solution in brief.

What is Red Data Book?
90.

Allthelettersof the word PESSIMISTIC are to be arranged so thatS's occur together, no two I's occur together, and S, I do not oThe number of such arrangements isether.t occur toget(A 2 100

Answer» Allthelettersof the word PESSIMISTIC are to be arranged so thatS's occur together, no two I's occur together, and S, I do not oThe number of such arrangements isether.t occur toget(A 2 100
91.

Difference between air and vacuum???

Answer» Difference between air and vacuum???
92.

Why petroleum is an exhaustible natural resource, whereas sunlight is not? Explain.

Answer» Why petroleum is an exhaustible natural resource, whereas sunlight is not? Explain.
93.

Question 19Generally, non-metals are not lustrous. Which of the following nonmetal is lustrous?(a) Sulphur(b) Oxygen(c) Nitrogen(d) Iodine

Answer» Question 19

Generally, non-metals are not lustrous. Which of the following nonmetal is lustrous?

(a) Sulphur

(b) Oxygen

(c) Nitrogen

(d) Iodine
94.

What is soil?

Answer» What is soil?
95.

Can we grow a lady's finger, tomato, and pea in a single pot? What precautions should be taken while growing them and before sowing the seeds? Please can you explain this in simple language?

Answer»

Can we grow a lady's finger, tomato, and pea in a single pot? What precautions should be taken while growing them and before sowing the seeds? Please can you explain this in simple language?

96.

two identical particles each of q are released from seperation of d . find their speed when seperation become 2

Answer» two identical particles each of q are released from seperation of d . find their speed when seperation become 2
97.

What was Britain called after its iron and steel industry started growing from the 1850s?

Answer»

What was Britain called after its iron and steel industry started growing from the 1850s?


98.

Answer the following questions. (a) What is soil made of? (b) Which are the constituents of plant origin in soil? (c) What steps can be taken to prevent erosion of soil?

Answer»

Answer the following questions.



(a) What is soil made of?



(b) Which are the constituents of plant origin in soil?



(c) What steps can be taken to prevent erosion of soil?



99.

निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए − पति-पत्नी ने मेहमान का स्वागत कैसे किया?

Answer»

निम्नलिखित प्रश्न का उत्तर एक-दो पंक्तियों में दीजिए


पति-पत्नी ने मेहमान का स्वागत कैसे किया?

100.

इसगीत में कुछविशिष्ट प्रयोगहुए हैं। गीतसंदर्भ में उनकाआशय स्पष्ट करतेहुए अपने वाक्योंमें प्रयोगकीजिए।कटगए सर,नब्ज़जमती गई,जानदेने की रुत,हाथउठने लगे

Answer»

इस
गीत में कुछ
विशिष्ट प्रयोग
हुए हैं। गीत
संदर्भ में उनका
आशय स्पष्ट करते
हुए अपने वाक्यों
में प्रयोग
कीजिए।


कट
गए सर
,
नब्ज़
जमती गई
,
जान
देने की रुत
,
हाथ
उठने लगे