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 ;

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#Question id: 95

#SCPH05 I Biotechnology

What is the name of the disaccharide shown below that is formed by joining two monomers of D-glucose

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#Question id: 3670

#SCPH01 Biochemistry

The best-known examples of host-encoded site-specific recombination systems used to resolve plasmid dimers are the cer-XerCD site-specific recombination systems used by the

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#Question id: 12918

#SCPH05 I Biotechnology

Name the enzyme which helps in the DNA synthesis in the PCR.

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#Question id: 5030

#SCPH06 I Botany

There is evidence that ray-finned fishes originally evolved

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#Question id: 4338

#SCPH05 I Biotechnology

Altering patterns of gene expression in prokaryotes would most likely serve an organism's survival by __.