Question9:-Cotton belongs to which family?

A:-Rubiaceae

B:-Asteraceae

C:-Malvaceae

D:-Apocynaceae

Correct Answer:- Option-C
Question10:-The Pteridophyte commonly known as 'resurrection plant*

A:-Selaginella lepidophylla

B:-Lycopodium clavatum

C:-Pteris vittata

D:-Salvinia natans

Correct Answer:- Option-A
Question11:-Inactive precursor of an enzyme is known as

A:-Ribozyme

B:-Allosteric enzyme

C:-Zymogen

D:-Isozyme

Correct Answer:- Option-C
Question12:-Raphides are depositions of

A:-Cakcium carbonate

B:-Calcium oxalate

C:-Calcium hydroxide

D:-Calcium phosphate

Correct Answer:- Option-B
Question13:-Crystal violet is an example for

C:-Vital stain

D:-Neutral stain

Correct Answer:- Option-A
Question14:-The first sequenced plant

A:-Zeamays

B:-Oryza sativa

C:-Brassica oleraceae

D:-Arabidopsis thalliana

Correct Answer:- Option-D
Question15:-Taxol obtained from Taxus buccata belongs to which class of secondary metabolites?

A:-Amino-sugar conjugates

B:-Alkaloids

C:-Phenolics

D:-Terpenoids

Correct Answer:- Option-B
Question16:-Descendingly imbricate aestivation is found in

A:-Mimosae

B:-Caesalpineaceae

C:-Papilionaceae

D:-Apolynaceae

Correct Answer:- Option-C
Question17:-Most resistant organic biopolymer

A:-Suberin

B:-Lignin

C:-Cellulose

D:-Sporopollenin

Correct Answer:- Option-D
Question18:-Which of the following chemical mutagens causes frame shift mutations?

A:-Ethyl Methane Sulphonate

B:-Proflavin

C:-5-Bromouracil

D:-Nitrous acid