B) do / speak 

Correct option is C) Spanish

• Satyagraha is always a powerful weapon following the path of Ahimsa and Non-violence.
• Satyagraha followed the idea that if the cause was true and if the struggle was against injustice, then there is no need for physical force to fight against the oppressor.
• Gandhiji was a great supporter of Ahimsa.
• Gandhiji followed Satyagraha during his stay in South Africa to fight the injustice.
• He decided to take the path of Satyagraha after arriving in India.
• He arrived in India and the day commemorates the return of Gandhi from South Africa to India on 9th January 1915 and celebrated as NRI Day or Pravasi Bharatiya Diwas.
• The UN General Assembly in a resolution on 15 June 2007, commemorated the birth anniversary (2^nd October) of Mahatma Gandhi as the International Day of Non-violence.
• The word Satyagraha is from the Sanskrit words Satya means 'truth' and agraha means 'holding firmly'.
• During 1917 and 1918, he was involved in three struggles Champaran Satyagraha (1917), Ahmedabad Mill Strike (1918), and Kheda Satyagraha (1918).
• Champaran Satyagraha was Gandhi's first satyagraha in India and the first civil disobedience Movement. It took place in Bihar.
• Ahmedabad Mill Strike was Gandhi's first hunger strike. It took place in Ahmedabad.
•  Kheda Satyagraha was Gandhi's first Non-cooperation Movement. It took place in Kheda.

A) Offering help

1. (c) India’s regional and national security is paramount 

2. (a) United Nations Security Council 

3. (c) Comprehensive Test Ban Treaty 

4. (c) Establishing disarmament and regional peace 

5. (c) Alliance Building.

1. (d) It was the largest, most abrupt, unplanned and tragic transfer of population. 

2. (d) both (A) and (B) 

3. (c) Both are correct 

4. (b) Several political developments in 1940’s.

Western Ghats are layered with thick evergreen forests because they receive more rainfall as compared to the Eastern Ghats that are covered with deciduous forests. The Western Ghats get their rainfall from the monsoon winds that blow from Arabian Sea.

(b) Use of military power to control the world

(a) Because the US bloc claimed to be pro-democratic and promoted capitalism.

1. (b) World Peace

2. (b) 51 states

1. (b) Andhra Pradesh

2. (d) 1953

In terms of the rules of the game, cricket has undergone lots of changes with changing times. From hockey­like bats to the straight bats that we know today; from bowling underarm to bowling through the air; from being an elite sport to becoming a game of the masses, cricket has changed a lot. Yet, in many ways it has also remained unchanged. This can be clearly seen by looking at cricketing equipment. Cricket’s most important tools are still made of natural, pre­industrial materials. The bat is made with leather, twine and cork. Even today, both bat and ball are handmade, not industrially manufactured. Unlike golf and tennis, cricket has refused to remake its tools with industrial or man­made materials such as plastic, fibreglass and metal. However, in the matter of protective equipment, cricket has been influenced by technological change. The invention of vulcanised rubber led to the introduction of pads in 1848 and protective gloves soon afterwards. The modern game is unimaginable without helmets made out of metal and synthetic lightweight materials.

(c) Reproductively isolated

Correct Answer is : (b) Sponges

The structure which provides vascular connection between foetus and uterus is called Placenta.

Concept:

• Blackbuck is a species of antelope Antilope cervicapra
• It is endemic to the regions of India and Nepal
• Blackbucks are found in the grassy plains and are found in areas of Madhya Pradesh, Rajasthan etc in India
• Blackbucks male have horns that they do not shed throughout their life
• They are mostly hunted for the horns
• Over the years, because of excessive hunting, blackbucks have become endangered
• BlackBuck is listed under Schedule I of the Wildlife Protection Act of 1972

Explanation:

• Tribal communities/ethnic groups in India have very strong bonds with nature
• They protect and conserve the environment as one of their own
• Bishnois are found in Rajasthan and are known for their eternal love for nature
• They can sacrifice their lives to protect the flora and fauna around them
• Blackbuck hunting has almost been stopped because of the efforts of this community much before government actions

• Wildlife Protection Act 1972 lists plants and animal species in the following schedules on the basis of urgency of protection:
• Bheel is a tribe found in erstwhile west India, now they are mostly found in Pakistan
• Santhals are another tribe associated closely with nature and are found in the regions of Jharkhand and West Bengal in India

⇒ Bishnois are a community known to protect blackbucks

Real-time OS has fixed deadlines
 
This is because each output value depends on processing the input data in a given time.

The correct answer is Mizoram.

• The Total Forest cover is 7,12,249 sq km which is 21.67% of the geographical area of the country.
• The Tree cover is 2.89% of the geographical area of the country.
• Forest Canopy Density refers to the proportion of an area in the field/ground that is covered by the crown of trees and is expressed in a percentage of the total area.
• In terms of forest cover as a percentage of total geographical area, the top five States are-
  • Mizoram (85.41%)
  • Arunachal Pradesh (79.63%)
  • Meghalaya (76.33%)
  • Manipur (75.46%)
  • Nagaland (75.31%)
• Area-wise, Madhya Pradesh has the largest forest cover in the country followed by Arunachal Pradesh, Chhattisgarh, Odisha and Maharashtra.

Kaiga Atomic Power Plant situated in Karnataka.

We have, profit = Revenue – Cost

= (60x + 2000) – (20x + 4000)

= 40x – 2000

To earn some profit, 40x – 2000 > 0

⇒ x > 50

Hence, the manufacturer must sell more than 50 items to realise some profit.

Correct option is C) followed

Correct option is D) further

Correct option is B) flatter

Correct option is B) frightened

Correct option is A) scarecrow

Coordinate geometry (or analytic geometry) is defined as the study of geometry using the coordinate points. Using coordinate geometry, it is possible to find the distance between two points, dividing lines in m:n ratio, finding the mid-point of a line, calculating the area of a triangle in the Cartesian plane, etc.

Coordinate geometry:

To study coordinate geometry formula we must know about quadrants. As there are for quadrants each has its own sign rule.

Quadrants:
All the four quadrants have their respective values with respective signs:

• 1^st Quadrant : (+x, +y)
• 2^nd Quadrant : (-x, +y)
• 3^rd Quadrant : (-x, -y)
• 4^th Quadrant : (+x, -y)

Distance between two points:

If A ( x₁, y₁) and B( x₂, y₂,), then distance d, from A to B =
\(\large d = \sqrt{(x_{2} -x_{1})^{2} + (y_{2} – y_{1})^{2}}\)

Midpoint of a line joining two points:

If A (x₁, y₁) and B( x₂, y₂,) represent the end point of line and M lies at midpoint of the line. Thus,

M (x, y) = \(\left ( \frac{x_{1} + x_{2}}{2}, \frac{y_{1} + y_{2}}{2} \right )\)

Representation of Equation of line:

We can represent equation of a line in many ways, few of them is here-

• General form- The general form of a line is given as Ax + By + C = 0.
• Slope intercept form- Let us assume that x, y be the coordinate of a point which a line passes through, m be the slope of a line, and c be the y-intercept, then the equation of a line is given as- y=mx + c
• Intercept form of a line- Let x-intercept and y-intercept of a line be a and b respectively, then the equation of a line is represented as-
  \(\large \boldsymbol{\frac{x}{a} + \frac{y}{b} = 1}\)

Coordinate geometry formula for slope of a line:

It can be obtained as per provided information as,
From General Form:
Ax+By+C=0 ⇒ By=−Ax–C
\(\large \Rightarrow y = -\frac{A}{B}x – \frac{C}{B}\)Let’s compare the above equation with y = mx + c,
we found that
\(\large \boldsymbol{m = -\frac{A}{B}}\)

Angle between two lines:

Let two lines be A and B, having their slopes to be m1 & m2 respectively.

Let θ be the angle between these two lines, then the angle between them can be represented as-
tan θ = \(\frac{m_{1} – m_{2}}{1 + m_{1} m_{2}}\)

Case1.

When the two lines are parallel to each other then m₁ = m₂ = m

Case2.
When the two lines are perpendicular to each other than m₁ . m₂ = -1

Section Formula:

Section formula is a base part of coordinate geometry formula. In a line with two end points A and B having coordinates (x₁,y₁) and (x₂, y₂) Also M be any point collinear with the same line. The coordinates of M

Case 1.
When the ratio m:n is internally:
\(\large \left (\frac{mx_{2} + nx_{1}}{m + n}, \frac{my_{2} + ny_{1}}{m + n} \right )\)

Case2.
When the ratio m:n is externally:
\(\large \left (\frac{mx_{2} – nx_{1}}{m – n}, \frac{my_{2} – ny_{1}}{m – n} \right )\)

Area of Triangle:

In coordinate geometry formula we also study about the area of the triangle. Thus the area of triangle whose vertices are (x₁, y₁), (x₂, y₂) and (x₃, y₃) is:
\(\frac{1}{2}\) | X₁ (Y_­2 – Y₃) + X₂ (Y_­3 – Y₁) + X₃ (Y_­1 – Y₂) |

If the area of a triangle whose vertices are (x₁, y₁), (x₂, y₂) and (x₃, y₃) is zero, then the three points are collinear.

A function f(x) is said to be continuous at a point x = a, in its domain if the following three conditions are satisfied:

(i) f(a) exists (i.e. the value of f(a) is finite) 

(ii) Lim_x→a f(x) exists (i.e. the right-hand limit = left-hand limit, and both are finite) 

(iii) Lim_x→a f(x) = f(a)

The function f(x) is said to be continuous in the interval I = [x₁,x₂] if the three conditions mentioned above are satisfied for every point in the interval I.

However, note that at the end-points of the interval I, we need not consider both the right-hand and the left-hand limits for the calculation of Lim_x→a f(x). For a = x₁, only the right-hand limit need be considered, and for a = x₂, only the left-hand limit needs to be considered.