TLS Online TPP Program

#Question id: 11121


Which of the following statements concerning the mechanoreceptive receptor potential is/are true?

#Part-B Specialized Branches in Biotechnology
  1. Increase in stimulus energy results in an increase in receptor potential
  2. When receptor potential rises above a certain threshold action potentials will appear in the neuron attached the receptor
  3. Number of action potentials generated in the neuron attached to the receptor is proportional to receptor potential
  4. All of the above are correct
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TLS Online TPP Program

#Question id: 10520

#Part-B Specialized Branches in Biotechnology

Which one of the following fungus causes infected rice shoots to grow much faster relative to uninfected plants and responsible for the “foolish seedling disease” of rice?

TLS Online TPP Program

#Question id: 10521

#Part-B Specialized Branches in Biotechnology

Which is an example of a plant-derived DAMP found in tomato that is produced in response to wounding associated with herbivore activity?

TLS Online TPP Program

#Question id: 10522

#Part-B Specialized Branches in Biotechnology

Mechanical barriers provide a first line of defence against insect pests and pathogens, these mechanical barriers developed by plants;

                   COLUMN A  

                     COLUMN B

A. Thorns

i) It can be found on the stem and petioles of roses and are formed by the epidermis

B. Spines

ii) Found on a lemon tree (Citrus sp.) are modified branches, as can be seen by their position in the axil of a leaf

C. Prickles

iii) Found on shoot and leaves of tomato (Solanum lycopersicum) are derived from epidermal cells

D. Trichomes

iv) which are characteristic of cacti (Opuntia spp.) in the New World, are modified leaves

Match correctly following combination of barrier developed by plants ;

TLS Online TPP Program

#Question id: 10523

#Part-B Specialized Branches in Biotechnology

Conifer resin ducts, which are found in the cortex and phloem, contain a mixture of diverse terpenoids, which are released immediately upon damage by herbivores such as;

a) monocyclic terpenes like- limonene and terpinolene

b) bicyclic monoterpenes- α-pinene and β-pinene

c) tricyclic sesquiterpenes- longifolene, caryophyllene, and δ-cadinene

d) tetracyclic terpenes- longifolene, tetra-terpinolene terpenoids are incorrect?

TLS Online TPP Program

#Question id: 10525

#Part-B Specialized Branches in Biotechnology

The major cyanogenic glycoside in_____i______ is _____ii______.

a) i-sorghum, ii-Amygdalin

b) i-sorghum, ii-dhurrin

c) i-Cassava, ii-lotaustralin

d) i-Cassava, ii-linamarin

Which one is incorrect combination of cyanogenic glycoside?

TLS Online TPP Program

#Question id: 10526

#Part-B Specialized Branches in Biotechnology

What is elicitors? Which one is not belongs to the elicitor responses