NEET UG · Biology · Biotechnology and its Applications

Alkaline pH Activation

NEET asked Alkaline pH Activation twice, in 2019 and 2026: 2 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Transgenic Plants, in Biotechnology and its Applications (Biology). The longest wait between two papers asking it was 7 years.

Updated 2026-10-08

Times asked: 2; in 2017–2026
Papers: 2; of 10
First asked: 2019; last in 2026
Chance next paper: 6%; calibrated historical rate

Questions on this idea, by paper

2017–2026. 2019 and 2026.

How NEET framed it

One-line MCQ is the usual form. Skill tested: recall.

Identify trigger of protoxin activation
Definition recall

Chance asked next paper 6%

Every question

All 2 questions

From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.

2026 Q 137 The inactive form of Bt toxin is converted to the active form in the insect gut __________. One-line MCQ \cdot Easy 2019 Q 174 What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm ? One-line MCQ \cdot Easy

Papers: NEET 2019, NEET 2026.

Same topic

Other ideas in Transgenic Plants

Transgenic Plants has 9 ideas NEET has asked; 3 of them came up in more than one question.

Specific Cry Gene Targets2× · 2024
Biopiracy and Patents2× · 2018
RNAi Silencing Mechanismonce · 2025
Transposon Definitiononce · 2022
Bt Toxin Sourceonce · 2020
Transgenic Plants as Biopesticidesonce · 2020
Golden Rice Vitamin A Enrichmentonce · 2019
GEAC and Biosafety Regulationonce · 2018

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