Biology Practice Question and Answer

Q:

Yeast is an important source of

536 0

  • 1
    Vitamin C
    Correct
    Wrong
  • 2
    Protein
    Correct
    Wrong
  • 3
    Vitamin B
    Correct
    Wrong
  • 4
    Invertase
    Correct
    Wrong
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Answer : 3. "Vitamin B"

Q:

Which of the following organisms is responsible for sleeping sickness?

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  • 1
    Algae
    Correct
    Wrong
  • 2
    Protozoa
    Correct
    Wrong
  • 3
    Bacteria
    Correct
    Wrong
  • 4
    Viruses
    Correct
    Wrong
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Answer : 2. "Protozoa"

Q:

The_______is at its largest in children, but with the onset of puberty, it eventually shrinks and gets replaced by fat.

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  • 1
    Parathyroid gland
    Correct
    Wrong
  • 2
    Thymus
    Correct
    Wrong
  • 3
    Hypothalamus
    Correct
    Wrong
  • 4
    Pituitary gland
    Correct
    Wrong
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Answer : 2. "Thymus"
Explanation :

1. It is at its greatest in children.

2. With puberty, it eventually shrinks and is replaced by fat.

3. It produces and secretes thymosin, an essential hormone for T cell development and production.

4. Thymus gland is a small organ located under the breast bone in the upper chest.

5. It produces white blood cells, called lymphocytes, which protect the body from infection.

Q:

Which of the following is not true about Angiosperms?

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  • 1
    Spores are heterospories
    Correct
    Wrong
  • 2
    Seeds are covered
    Correct
    Wrong
  • 3
    Dominant phase is gametophytes
    Correct
    Wrong
  • 4
    Vascular bundles are present
    Correct
    Wrong
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Answer : 3. "Dominant phase is gametophytes"

Q:

Psidium guajava is the scientific name of ___________.

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  • 1
    Guava
    Correct
    Wrong
  • 2
    Mango
    Correct
    Wrong
  • 3
    Bamboo
    Correct
    Wrong
  • 4
    Jack fruit
    Correct
    Wrong
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Answer : 1. "Guava"

Q:

What are the basic units from which human spare parts can be created?

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  • 1
    Nerve cells
    Correct
    Wrong
  • 2
    Stem cells
    Correct
    Wrong
  • 3
    Heart cells
    Correct
    Wrong
  • 4
    Kidney cells
    Correct
    Wrong
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Answer : 2. "Stem cells "

Q:

In which part of the female flower does fertilization take place?

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  • 1
    Ovary
    Correct
    Wrong
  • 2
    Stigma
    Correct
    Wrong
  • 3
    Filament
    Correct
    Wrong
  • 4
    Style
    Correct
    Wrong
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Answer : 1. "Ovary"

Q:

Consider following features:

(a) Organ system level of organization

(b) Bilateral symmetry  
 (c) True coelomates with segmentation of body

Select the correct option of animal groups which possess all the above characteristics.

509 0

  • 1
    Annelida, Arthropoda and Chordata
    Correct
    Wrong
  • 2
    Annelida, Arthropoda and Mollusca
    Correct
    Wrong
  • 3
    Arthropoda, Mollusca and Chordata
    Correct
    Wrong
  • 4
    Annelida, Mollusca and Chordata
    Correct
    Wrong
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Answer : 1. "Annelida, Arthropoda and Chordata "

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