Biology Practice Question and Answer

Q:

Epiglottis is made up of which of the following tissues?

427 0

  • 1
    Ligament
    Correct
    Wrong
  • 2
    Tendon
    Correct
    Wrong
  • 3
    Cartilage
    Correct
    Wrong
  • 4
    Bone
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Cartilage "

Q:

What is the effect of Oxytocin produced by hypothalamus?

425 0

  • 1
    Stimulates the synthesis and secretion of androgens
    Correct
    Wrong
  • 2
    Stimulates formation of milk in mammary glands
    Correct
    Wrong
  • 3
    Stimulates a vigorous myometrial contraction at the time of childbirth
    Correct
    Wrong
  • 4
    Stimulates synthesis of carbohydrates from non-carbohydrates in liver
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Stimulates a vigorous myometrial contraction at the time of childbirth"

Q:

Which group of animals are named because of their spiny skin and a peculiar water-driven tube system that they use for moving around?

423 0

  • 1
    Hemichordata 
    Correct
    Wrong
  • 2
    Aschelminthes 
    Correct
    Wrong
  • 3
    Echinodermata 
    Correct
    Wrong
  • 4
    Mollusca 
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Echinodermata "
Explanation :

1. All the creatures of Echinodermata phylum are marine and have thorny bodies.

2. There is a mass flow system in their body.

3. A specific water-conveying canal system is found, which helps in their movement.

Q:

The hard chewing surface of the teeth is____

420 0

  • 1
    Enamel
    Correct
    Wrong
  • 2
    Tongue
    Correct
    Wrong
  • 3
    Frenulum
    Correct
    Wrong
  • 4
    Papillae
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Enamel "

Q:

What is digestion?

418 0

  • 1
    Conversion of complex bio-macromolecules to simple absorbable forms
    Correct
    Wrong
  • 2
    Conversion of complex biomolecules to a simple form
    Correct
    Wrong
  • 3
    Conversion of complex bio-macromolecules to a simple form
    Correct
    Wrong
  • 4
    Conversion of simple biomolecules to complex form
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Conversion of complex bio-macromolecules to simple absorbable forms"

Q:

The term 'mitochondria' was coined by:

418 0

  • 1
    Carl Benda
    Correct
    Wrong
  • 2
    J E Salk
    Correct
    Wrong
  • 3
    Antonie van Leeuwenhoek
    Correct
    Wrong
  • 4
    Charles Laveran
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Carl Benda"

Q:

What is the osmolarity(in mO smolL–1) in the outer cortex and inner medullary region?

416 0

  • 1
    300 and 900 respectively
    Correct
    Wrong
  • 2
    600 and 300 respectively
    Correct
    Wrong
  • 3
    1200 and 300 respectively
    Correct
    Wrong
  • 4
    300 and 1200 respectively
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "300 and 1200 respectively"

Q:

What is a diphyodont type of dentition?

415 0

  • 1
    Two types of teeth only
    Correct
    Wrong
  • 2
    Two phase of gums and teeth
    Correct
    Wrong
  • 3
    Three types of teeth
    Correct
    Wrong
  • 4
    Two sets of teeth during life
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Two sets of teeth during life"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully