Tag: evs

Questions Related to evs

Which of the following human feature can be different?

evs likes and dislikes genetics terminology similarities and dissimilarities in organisms features of human body and sign language

  1. Height

  2. Weight

  3. Knowledge

  4. All of above

Show answer
Correct Option: D
Explanation:
Human being can be different from each in various tangible aspects like height, weight, color of the eye and non tangible aspects like knowledge, art etc
So, the correct answer is 'All of above'

If a person lacks one sense organ the brain concentrates on remaining sense organs and these sense organs become more sensitive.

evs likes and dislikes genetics terminology similarities and dissimilarities in organisms features of human body and sign language

  1. True

  2. False

Show answer
Correct Option: A
Explanation:

  • If one sense is lost, the areas of the brain normally devoted to handling that sensory information do not go unused they get rewired and put to work processing other senses. 
  • A new study provides evidence of this rewiring in the brains of deaf people. The brain adapts to the loss by giving itself a makeover. Hence, If a person lacks one sense organ the brain concentrates on remaining sense organs and these sense organs become more sensitive.
So, the correct answer is 'true'.

Which of the following is/are the special feature or knowledge of humans?

evs likes and dislikes genetics terminology similarities and dissimilarities in organisms features of human body and sign language

  1. Singing

  2. Painting

  3. Writing

  4. All of above

Show answer
Correct Option: D
Explanation:

Singing, painting and writing are the special features or knowledge of human. These all are the different features of human. Some are good in painting because he/she earns the knowledge of painting. Same like painting, singing and writing are also different features for which you have to earn the knowledge of same.

Which of the following human features can be same?

evs likes and dislikes genetics terminology similarities and dissimilarities in organisms features of human body and sign language

  1. Height

  2. Weight

  3. A and B

  4. None of the above

Show answer
Correct Option: C
Explanation:

  • BMI takes into account both height and weight but not body composition.
  • Body mass index (BMI) is a common tool for deciding whether a person has an appropriate body weight.
  •  Human height and weight varies greatly between individuals and across populations for a variety of complex biological, genetic, and environmental factors, among others and can be same across the population sometimes. Hence, Height and Weight are human features that can be the same.
So, the correct answer is 'A and B'.


Which of the following is called as a collective bank?

evs whose forests? conservation of forest and wildlife wildlife deforestation and conservation

  1. Parks

  2. Playground

  3. Forest

  4. Farm

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Correct Option: C

Forest is a habitat for

evs whose forests? conservation of forest and wildlife wildlife deforestation and conservation

  1. Plants

  2. Animals

  3. Adivasis

  4. All of the above

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Correct Option: D

Forest is an important source of 

evs whose forests? conservation of forest and wildlife wildlife deforestation and conservation

  1. Food

  2. Habitat

  3. Crops

  4. Both A and B

Show answer
Correct Option: D

A harrow is used to remove

evs whose forests? conservation of forest and wildlife wildlife deforestation and conservation

  1. Weeds

  2. Crop plants

  3. Stones

  4. Rocks

Show answer
Correct Option: A
Explanation:

A) Weeds are removed with the help of a harrow. It also helps in loosening the soil so that the water can soak into the ground easily.

B) Crop plants are removed with the help of a machine called combine harvester.
C) Stones and rocks are removed with the help of a machine called the stone picker.
Thus, the correct option is 'Weeds'.

To conserve soil moisture for plant people used to make

evs whose forests? conservation of forest and wildlife wildlife deforestation and conservation

  1. Boundries

  2. Bunds along the edges of plantation

  3. Wrap the area with wire

  4. None of the above

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Correct Option: B

Why is conservation of forest important?

evs whose forests? conservation of forest and wildlife wildlife deforestation and conservation

  1. It is the lung of earth

  2. It provides food

  3. It maintains ecosystem

  4. All of the above

Show answer
Correct Option: D
Explanation:
Option 'D' is correct
Conservation of forest is important because it is the lung of the earth.
It absorbs carbon dioxide during photosynthesis and produces oxygen as a by-product.
Forest provides food in the form of fruit, nut, berries, leaves, honey, fodder. It maintains ecosystem by balancing the oxygen, carbon dioxide in the atmosphere. It absorbs $CO _2$ and reduces the chances of global warming.