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General Science ➤ Biology ➤ 2
Question 86
Q86.  What is a nucleotide made of?
 

Answer :  purine, sugar and phosphate


Nucleotide is an organic compound. It is a nitrogenous purine or pyrimidine base attached to a sugar (ribose or deoxyribose) and a phosphate group.
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Question 87
Q87.  The viruses in an attenuated vaccine?
 

Answer :  continue to replicate


The viruses in an attenuated vaccine continue to replicate. Attenuated vaccines do not usually cause disease like those caused by the wild form of the organism.
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Question 88
Q88.  Angiosperms are the main plant because__?
 

Answer :  Power of adapting in diverse habitats


Angiosperms are plants that produce flowers. They hold their seeds in the fruits. They are the largest and most diverse group within the Plantae kingdom, with approximately 300,000 species.
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Question 89
Q89.  Which of the following structures is responsible for the motility of bacteria?
 

Answer :  flagella


Flagella is responsible for the motility of bacteria. The flagellum is primarily a motility organ. This enables movement and chemotaxis.
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Question 90
Q90.  Which fruit is produced by parthenocarpy?
 

Answer :  Banana


Banana fruit is produced by parthenocarpy. The process of development of fruit without any prior fertilization is called parthenocarpy.
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