biological classification cell tissues and division - Category wise Question and Answer Practice Test with Solutions

Question : 11 [IAS (Pre) 2002]

Which one of the following statements is correct?

a) The cell wall of Mycoplasmas is made up of amino sugars

b) Viroids consist of singlestranded RNA molecules

c) Prions are the smallest freeliving cells

d) Rickettsias lack cell wall

Question : 12 [IAS (Pre) 2001]

Which of the following cell organelles play the most significant role in protein synthesis?

a) Endoplasmic reticulum and Ribosome

b) Golgi apparatus and Mitochondria

c) Lysosome and Centrosome

d) Lysosome and Mitochondria

Question : 13

ATP molecule is a

a) Deoxyribose sugar

b) Nucleoside

c) Nucleosome

d) Nucleotide

Question : 14

Which one is not a carbohydrate?

a) Starch

b) Methionine

c) Chitin

d) Glycogen

Question : 15

Basic taxonomic category is

a) species

b) population

c) variety

d) breed