Reetika's online teaching academy

A __________is a biocatalyst that increases the rate of the reaction without being changed.
a) Aluminum oxide
b) Silicon dioxide
c) Enzyme
d) Hydrogen peroxide

Which of the following class of algae consists of alginic acid in their cell wall component?
a) Green algae
b) Red algae
c) Lichens
d) Brown algae

Addition or deletion of bases causes which kind of mutation?
a) Transversion
b) Frameshift mutation
c) Transition
d) Transcription

What is the maximum wavelength that Tryptophan and tyrosine absorb?
a) 280nm
b) 260nm
c) 257nm
d) 230nm

Which of the following is not a fat-soluble vitamin?
a) Vitamin D
b) Vitamin K
c) Vitamin C
d) Vitamin A

Name the coenzyme of riboflavin (B2)?
a) NAD or NADP
b) FAD and FMN
c) Coenzyme A
d) Thiamine pyrophosphate

Name the scientist who discovered Golgi apparatus?
a) Robert Remake
b) Rudolf Virchow
c) Camillo Golgi
d) Theodor Schwann

Damage and errors in DNA cause___________
a) Mutation
b) DNA repair
c) Translation
d) Transcription

Identify the disease which causes excessive production of uric acid.
a) Duncan muscular dystrophy
b) Lesch-Nyhan syndrome
c) Hunter syndrome
d) Hemophilia

Which region of chromatin is transcriptionally silent?
a) Nucleoid
b) Centromere
c) Euchromatin
d) Heterochromatin