As an Amazon Associate I earn from qualifying purchases.

Class 9 Biology: Enzymes MCQs Quiz Online PDF Download eBook

Solve Class 9 biology enzymes Multiple Choice Questions (MCQ), class 9 biology enzymes quiz answers PDF worksheet, grade 9 biology practice test for online school programs. Learn enzymes Multiple Choice Questions and Answers (MCQs), "Class 9 Biology Enzymes" quiz questions and answers for free online courses. Learn characteristics of enzymes, class 9 biology: enzymes test prep for virtual secondary school.

"The kind of molecules at which the enzymes act are classified as" Multiple Choice Questions (MCQ) on gaseous exchange in humans with choices solutes, concentrates, nitrates, and substrates for free online courses. Practice enzymes quiz questions for online certificate programs for online schools.

MCQs on Class 9 Biology Enzymes PDF Download eBook

MCQ: The kind of molecules at which the enzymes act are classified as

  1. solutes
  2. concentrates
  3. nitrates
  4. substrates


MCQ: The catabolism is related to

  1. release of energy
  2. absorption of energy
  3. release of water
  4. absorption of water


MCQ: The energy required in chemical reactions is called

  1. solvent energy
  2. activation energy
  3. enzymatic energy
  4. catalysis energy


MCQ: The categorization of enzymes is based on their

  1. sequence of amino acids
  2. working site
  3. size
  4. none of above


MCQ: The biochemical reactions are also considered as

  1. gaseous release
  2. chromosomal transfer
  3. energy transfer
  4. material transfer