Questions Related to evs

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

Which of the following human feature can be different?

  1. Height

  2. Weight

  3. Knowledge

  4. All of above

Reveal answer Fill a bubble to check yourself
D Correct answer
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'
Multiple choice evs likes and dislikes genetics terminology similarities and dissimilarities in organisms features of human body and sign language

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

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
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'.

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

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

  1. Singing

  2. Painting

  3. Writing

  4. All of above

Reveal answer Fill a bubble to check yourself
D Correct answer
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.

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

Which of the following human features can be same?

  1. Height

  2. Weight

  3. A and B

  4. None of the above

Reveal answer Fill a bubble to check yourself
C Correct answer
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'.


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

A harrow is used to remove

  1. Weeds

  2. Crop plants

  3. Stones

  4. Rocks

Reveal answer Fill a bubble to check yourself
A Correct answer
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'.

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

Why is conservation of forest important?

  1. It is the lung of earth

  2. It provides food

  3. It maintains ecosystem

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
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.