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: 14131

#SCPH05 I Biotechnology

The suitable substitution matrix to align closely related sequences is

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#Question id: 19333

#SCPH28 | Zoology

HRP is one of the type of compound biosensor. What is the full form of HRP?

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#Question id: 6963

#SCPH28 | Zoology

During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?

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#Question id: 9268

#SCPH06 I Botany

The most active photosynthetic tissue in higher plants is the

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#Question id: 4720

#SCPH12 I Genetics

Which of the following phenomenon, the differential expression of genetic material depending on whether it is inherited from the male or female parent, is called