Pathogen evades plant by penetration of surface layers directly using mechanical pressure or enzymatic attack, some pass through natural openings, such as stomata or lenticels, and others only enter through wounded tissue. Once inside the plant, one of three main attack strategies is deployed specific feature of interaction given;

A) Necrotrophy

B) Biotrophy

C) Hemibiotrophy

i) where the plant cells remain alive throughout infection

ii) where the plant cells are killed in advance of infection 

iii) extensive plant tissue damage at initial stages

iv) where the pathogen initially keeps cells alive but at later stages of the infection, kills them

Match the following

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#Question id: 24028

#General Aptitude

National Press day is celebrated on:

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#Question id: 15681

#Unit 2. Cellular Organization

 Moist heat kills microorganisms by

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#Question id: 12676

#Unit 10. Ecological Principles

Use the incomplete diagram below, illustrating some of the steps involved in eutrophication to answer the following questions.

What would be a likely entry for box B?

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#Question id: 7286

#Unit 5. Developmental Biology

Which of the floral whorls is affected in apetala 3/pistillata (ap3/pi) mutants?

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#Question id: 638

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following class of enzymes with them

Enzyme	Class of enzyme
A. Hexokinase	1
B. Phosphoglucoisomerase	2
C. Glyceraldehyde 3-phosphate dehydrogenase	3
D. Phosphoglycerate mutase	4
E. Enolase	5
F. Aldolase