Tag: evs

Questions Related to evs

Which of the following does not have separate symbols in Braille Script?

evs we are special defects of eye disorders of nervous system braille script

  1. Capital letters

  2. Small letters

  3. Numbers

  4. Punctuations

Show answer
Correct Option: A
Explanation:

  • Braille is a system of reading and writing by touch used by the blind. The basic Braille symbol, called the Braille cell, consists of six dots arranged in the formation of a rectangle, three dots high and two across. 
  • Other symbols consist of only some of these six dots. It consists of arrangements of dots which make up letters of the alphabet, numbers, and punctuation marks. 
  • The basic Braille symbol, called the Braille cell, consists of six dots arranged in the formation of a rectangle, three dots high and two across. There are no different symbols for capital letters in Braille. Hence, Capital letter does not have separate symbols in Braille Script
  So, the correct answer is 'Capital letters'.

Virtually impaired people are less sensitive to touch and their hearing power is also very weak.

evs we are special defects of eye disorders of nervous system braille script

  1. True

  2. False

Show answer
Correct Option: B
Explanation:

  • Blind people can't physically hear better than others. 
  • Yet blind people often outperform sighted people in hearing tasks such as locating the source of sounds. 
  • So blind people may have lost their vision, but this leaves a larger brain capacity for processing the information from other senses. Hence, Virtually impaired people are less sensitive to touch and their hearing power is also very weak.
So, the correct answer is 'false'.

Who was the inspiration for Louis Braille's invention of a 6 dot method for reading and writing for the blind?

evs we are special defects of eye disorders of nervous system braille script

  1. Charles Barbier

  2. Helen Keller

  3. Dian Fossey

  4. Sophie Germain

Show answer
Correct Option: A
Explanation:

  • Louis Braille was a French educator and inventor of a system of reading and writing for use by the blind or visually impaired. He excelled in his education and received a scholarship to France's Royal Institute for Blind Youth. 
  •  He began developing a system of tactile code that could allow blind people to read and write quickly and efficiently. inspired by the military cryptography of Charles Barbier, Braille constructed a new method built specifically for the needs of the blind. 
  • He presented his work to his peers for the first time in 1824. Hence, Charles Barbier was the inspiration for Louis Braille's invention of a 6 dot method for reading and writing for the blind.
 So, the correct answer is 'Charles Barbier'.

When every letter of every word is expressed in Braille, it is called as

evs we are special defects of eye disorders of nervous system braille script

  1. Uncontracted Braille

  2. Contracted Braille

  3. Single letter Braille

  4. None of the above

Show answer
Correct Option: A
Explanation:
  • Uncontracted braille translates each print character into a braille character or cell. It is great for basic labelling of objects like CDs or canned food in the cupboard. 
  • Uncontracted braille was previously known as Grade 1 braille. Basically, uncontracted braille includes the letters “A” through “Z”. 
  • Whereas Contracted Braille consists of a 'shorthand' in Braille some words have shortcuts such as the letter 'C' represents the word 'can' or 'td' is the word today. Hence, When every letter of every word is expressed in Braille, it is called as Uncontracted Braille.
So, the correct answer is 'Uncontracted Braille'.

Braille cells are

evs we are special defects of eye disorders of nervous system braille script

  1. made up of six dots that fit under the fingertips, arranged in two columns of three dots each.

  2. made up of ten dots that fit under the fingertips, arranged in two columns of five dots each.

  3. made up of fourteen dots that fit under the fingertips, arranged in two columns of seven dots each.

  4. None of the above

Show answer
Correct Option: A
Explanation:
Braille was named after the creator, Louis Braille, a Frenchman who lost his sight as a result of a childhood accident. It involves the usage of 6 dots and the direction is left to right. The paper used is thought as a file folder or index card for proper sensing by the visually impaired people. The characters have rectangular blocks called cells that have tiny bumps called raised dots. The cells are arranged in two columns of three dots each.
So, the correct answer 'made up of six dots that fit under the fingertips, arranged in two columns of three dots each'.

Which of the following is TRUE regarding potable water?

evs sources of water water borne disease hygiene - a key to healthy life basics of water pollution

  1. Potable water is safe drinking water

  2. Potable water is very less when compared to the whole water present on earth

  3. Potable water can be used for cooking purposes

  4. All of the above

Show answer
Correct Option: D
Explanation:

Portable water is used for drinking  water but it is  present in very small amount, about 1% for total water in earth. Earth is covered by 70% water but still we have limed amount of water. We generally use water for fulfilling  basic need like drinking, cooking, washing etc.

So, the correct option is 'All of the above'.

Read the given statements and select the correct option.
Statement 1 : Articulation between the occipital condyles and the atlas vertebra forms a hinge joint.
Statement 2 : It permits the head to move in one plane only, i.e., nodding of head. 

evs bones joints in the human body our skeletal system and the skin joints

  1. Both statements 1 and 2 are correct

  2. Statement 1 is correct but statement 2 is incorrect

  3. Statement 1 is incorrect but statement 2 is correct

  4. Both statements 1 and 2 are incorrect

Show answer
Correct Option: A
Explanation:

Articulation between the occipital condyles and the atlas vertebra forms a hinge joint, it permits the head movement in one plane.

So, the correct option is 'Both statements 1 and 2 are correct'.

Which of the following joints is formed between atlas and axis vertebrae?

evs bones joints in the human body our skeletal system and the skin joints

  1. Saddle joint

  2. Fibrous joint

  3. Cartilaginous joint

  4. Pivot joint

Show answer
Correct Option: D
Explanation:
Pivot joint is present between atlas and axis vertebrae. there is a pivot articulation between the odontoid process of the axis and the ring formed by the anterior arch and the transverse ligament of the atlas.
So, the correct option is 'Pivot joint' 

The joint of femur with pelvic girdle is:

evs bones joints in the human body our skeletal system and the skin joints

  1. hinge joint

  2. non-movable joint

  3. pivot joint

  4. ball and socket joint

Show answer
Correct Option: D
Explanation:

The joint of the femur with pelvic girdle is a synovial - ball and socket joint. Where the ball like projection of the femur fits into the cup like acetabulum of the pelvic bone, with the movement being 360$^0$ and the gap between the joint filled by synovial fluid.

So, the correct answer is 'ball and socket joint'

What is common among crab and honeybee?

evs bones joints in the human body our skeletal system and the skin joints

  1. Jointed legs

  2. Metamorphosis

  3. Compound eyes

  4. Poison glands

Show answer
Correct Option: A
Explanation:

Crab and honeybee, belong to the Phylum Arthropoda. The members of this phylum have characteristic feature of jointed appendages.