100 Best Biology MCQ

Q81). out of proteins, lipids and carbohydrates present in a cell membrane, what is true?

a).Lipids are maximum
b).Carbohydrates are minimum
c).Carbohydrates are maximum
d).All three are in equal proportion

Correct Answer:
Carbohydrates are minimum
Explaination:

Q82). Potato is a modified form (outgrowth) of

a).root
b).stem
c).fruit
d).leaf

Correct Answer:
stem
Explaination:

Q83). Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?

a).Order
b).Subspecies
c).Class
d).Genus

Correct Answer:
Class
Explaination:

Q84). Prothrombin which helps in clotting of blood is released by

a).lymphocytes
b).erythrocytes
c).monocytes
d).blood platelets

Correct Answer:
blood platelets
Explaination:

Q85). Myopia is connected with

a).ears
b).eyes
c).lungs
d).None of these

Correct Answer:
eyes
Explaination:

Q86). Most of the red, blue and purple colours of plants are due to a pigment called

a).anthocyanin
b).carotene
c).chlorophyll
d).xanthophylls

Correct Answer:
anthocyanin
Explaination:

Q87). Plants developing in dry conditions are

a).xerophytes
b).mesophytes
c).lithophytes
d).hydrophytes

Correct Answer:
xerophytes
Explaination:

Q88). Plants growing on sand are called as

a).chasmophytes
b).oxylophytes
c).lithophytes
d).psammophytes

Correct Answer:
psammophytes
Explaination: