100 Best Biology MCQ

Q33). 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:

Q34). Prothrombin which helps in clotting of blood is released by

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

Correct Answer:
blood platelets
Explaination:

Q35). Myopia is connected with

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

Correct Answer:
eyes
Explaination:

Q36). 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:

Q37). Plants developing in dry conditions are

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

Correct Answer:
xerophytes
Explaination:

Q38). Plants growing on sand are called as

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

Correct Answer:
psammophytes
Explaination:

Q39). Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called

a).flavoxanthin
b).melanin
c).carotene
d).Xanthophyll

Correct Answer:
melanin
Explaination:

Q40). Ramapithecus and Cro-Magnon man are considered

a).ancestors of modern man
b).ancestors of monkey
c).ancestors of lion
d).None of the above

Correct Answer:
ancestors of modern man
Explaination: