Question Discussion & Solution

Feminine means qualities or appearance of aFemale.

Similarly,

Masculine means qualities or appearance of a Male.

If '+' means 'divide by', '-' means 'add to', '×' means 'subtract from' and '/' means 'multiply by',

[{(20 × 6) × (7 / 2)} + (3 - 2)] / 5

We put the right symbol given is the question-

= [{(20 - 6) - (7 × 2)} / (3 + 2)] × 5

Now apply BODMAS rule

= [{14 - 14} / 5] × 5

= [0 / 5] × 5

= 0

Hence, "0" is the correct answer.

The correct answer is Pituitary Gland.

Key Points

• Pituitary Gland
  • The pituitary gland is a small, bean-shaped gland situated at the base of the brain.
  • It is the master gland of the body.
  • It is the smallest endocrine gland in the human body.
  • It releases hormones that regulate important functions such as growth, blood pressure, and reproduction.

Additional Information

• Thyroid Gland
  • The thyroid gland is a butterfly-shaped organ located at the base of the neck.
  • It releases hormones that control metabolism- the way body uses energy.
  • It is the largest endocrine gland in the human body.
• Adrenal Gland
  • The adrenal gland, also known as suprarenal glands, are small, triangular-shaped glands located on top of both kidneys.
  • It produces hormones that help regulate your metabolism, immune system, blood pressure, response to stress, and other essential functions.
• Thymus gland
  • The thymus gland is a small organ behind the breastbone that plays an important function both in the immune system and endocrine system.
  • It is only active until puberty, after puberty the thymus gland starts to slowly shrink and become replaced by fat.

The correct answer is Vitamin A.

Key Points 

• Night blindness is the inability to see well at night or in poor lighting conditions. 
• Night blindness is also called nyctalopia.
• Night blindness is often caused by Vitamin A deficiency.
• Night blindness is also caused by nearsightedness or cataracts.
• Foods that provide Vitamin A are carrots, sweet potatoes, eggs, milk, milk products, etc. 

Additional Information 

1. Some students can either be mischievous or Intelligent.

2. Some Intelligent person can either be mischievous or students.

Thus there are some relation between all the three i.e students, intelligent and mischievous

Now, according to this, the most suitable Venn diagram is-

Hence, Option (4) is correct.

Additional InformationMischievous: A person likes to have fun by playing harmless tricks on people or doing things they are not supposed to do.