TLS Online TPP Program

#Question id: 301


What explains the very high melting and boiling point of water?

#SCPH28 | Zoology
  1. Strong dipole-dipole bonds between water molecules

  2. Strong hydrogen bonds between water molecules

  3. Dispersion forces which are present in all molecules

  4. Asymmetrical shape of the polar bonds.

More Questions
TLS Online TPP Program

#Question id: 10521

#SCPH05 I 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: 10521

#SCPH05 I 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: 10521

#SCPH06 I Botany

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

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

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: 10522

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

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: 10522

#SCPH05 I 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 ;