Help
Contact
For teachers and institutes
Search courses, problems, tests…
A
A
>_
StemPy Lab
Courses ▾
Problems ▾
Practice ▾
Mock Tests
Classes
Community ▾
A
A
A farmer wants to protect a crop of cabbage from… | StemPy Lab
Quizzes
/
A farmer wants to protect a crop of cabbage from caterpillars without harming the bees and the ladybirds of the field. Which choice is the most suitable?
Biology
Hard
High School (11–12)
Biology in Human Welfare › Microbes in Human Welfare
A-Level
IB
AP EAPCET
BCECE
CUET UG
GUJCET
+12 more exams
IAT (IISER)
JCECE
JKCET
KCET
KIITEE
LPUNEST
MHT-CET
NEST (NISER)
OJEE
SRMJEEE
TS EAPCET
VITEEE
Created by
StemPy Lab
A farmer wants to protect a crop of cabbage from caterpillars without harming the bees and the ladybirds of the field. Which choice is the most suitable?
A culture of
Rhizobium
sprayed on the leaves
A spray of the spores of
Bacillus thuringiensis
A chemical insecticide that kills most insects
A culture of a mycorrhizal fungus sprayed on the leaves
Check Answer
Log in to save
Tag someone
⚑ Report
← All Quizzes
← An officer advises rice growers with flooded fields to add cyanobacteria to the water. Which property of the cyanobacteria best explains this advice?
A company grows a yeast in a large sterile tank, with filtered air, so that no other microbe can grow beside it. Which core technique of biotechnology does this show? →
More on
Biology in Human Welfare › Microbes in Human Welfare
Discussion (0)
Log in
to join the discussion.
Loading…
All questions on this topic →
Problems on this topic
A farmer counts 235 caterpillars on 25 plants of a cabbage crop…
Hard
Some names appear twice in this chapter…
Hard
Name one microbe for each job. Setting milk as curd…
Medium
A student digs up 8 pea plants and counts the root nodules on each…
Medium
All problems on this topic →