Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 12604
TLS Online TPP Program

#Question id: 10794

Which one of the following characteristics of about lignin is incorrect?

#Section 6: Plant, Animal and Microbial Biotechnology
  1.  Most abundant organic substance in plants and a highly branched polymer of phenylpropanoid groups
  2. lignins are involved in plant–animal interactions, helping to attract animals to flowers and fruit by providing visual and olfactory signals
  3. lignin has significant protective functions in plants, Its physical toughness deters feeding by animals, and its chemical durability makes it relatively indigestible to herbivores

  4. Lignin is generally formed from three different phenylpropanoid alcohols: coniferyl, coumaryl, and sinapyl, alcohols which are synthesized from phenylalanine

More Questions
TLS Online TPP Program

#Question id: 19963

#Section 5: Bioprocess Engineering and Process Biotechnology

Growth yield coefficient is defined as: 
TLS Online TPP Program

#Question id: 15915

#Section 6: Plant, Animal and Microbial Biotechnology

Culture freshly prepared from isolated tissue is known as _____ 
TLS Online TPP Program

#Question id: 3552

#Section 3: Genetics, Cellular and Molecular Biology

In corn, three dominant alleles, called A, C, and R, must be present to produce colored seeds. Which of the following genotype would produce 25 % color seeded plant, When cross with Aaccrr?
TLS Online TPP Program

#Question id: 15691

#Section 1: Engineering Mathematics

'0' is a characteristic root of a matrix, if and only if, the matrix is 
TLS Online TPP Program

#Question id: 630

#Section 2: General Biology

In case of competitive inhibition, plots of Km against [Io] fixed [Eo] have