Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 45089
TLS Online TPP Program

#Question id: 5691

Which of the following most accurately explains the cause for the abnormal numbers of chromosomes during human reproduction that can result in Down syndrome, Turner’s syndrome, or Klinefelter’s syndrome?

#SCPH06 I Botany

  1. The occurrence of nondisjunction of homologous chromosomes during meiosis

  2. The duplicative production of extra chromosomes during DNA replication

  3. The abnormal pairing of nonhomologous chromosomes during prophase of meiosis I

  4. The selective loss of particular chromosomes from the sex cells after formation of the mature gamete

More Questions
TLS Online TPP Program

#Question id: 549

#I Life Science/ Life Sciences Group – I-V

Which one of the following statements is true of enzyme catalysts?
TLS Online TPP Program

#Question id: 12730

#SCPH01 Biochemistry

A single strand of ____ ribonucleotides forms four double stranded stem regions by pairing the bases.
TLS Online TPP Program

#Question id: 19202

#SCPH01 Biochemistry

Acoustic wave or piezoelectric biosensor is a type of a biosensor which employs
TLS Online TPP Program

#Question id: 569

#SCPH01 Biochemistry

A small molecule that decreases the activity of an enzyme by binding to a site other than the catalytic site is termed a(n):
TLS Online TPP Program

#Question id: 14215

#SCPH05 I Biotechnology

kLa is measured in dynamic method of oxygen transfer by