MyQuestionIcon

10

You visited us 10 times! Enjoying our articles? Unlock Full Access!

Biological Weathering

Beetle with r...

Question

Beetle with red and black markings – the ladybird and dragonflies are useful to get rid of:

A

Aphids and mosquitoes

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

All fungal diseases

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Plant nematodes

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Insect predators

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Aphids and mosquitoes
The ladybird and dragonflies acts as biocontrol agents. They are useful to get rid of aphids and mosquitoes respectively.

Suggest Corrections

thumbs-up

4

Similar questions

Q. Dragonflies: Mosquitoes :: Ladybird beetles : ________

Q. Which biocontrol agent(s) is/are very effective against the members of the largest phylum of the animal kingdom?

I. Baculoviruses
II. Trichoderma
III. Ladybird beetle & Dragonflies

Q. Select the correctly matched pairs regarding the pest and its biocontrol agent.

A. Ladybird beetle - Mosquitoes
B. Dragonflies - Aphids
C. Bacillus thuringiensis - Caterpillars of butterfly
D. Trichoderma - Plant pathogens

What are the methods used by plants to get rid of wastes? [3 MARKS]

Q. A group of red beetles lives on green leaves of a tree. Beetles multiply through sexual reproduction. One day, some green beetles are seen among the red beetles. Green beetles breed to produce green progeny. Crows on the tree eat beetles. Some green beetles appear among the red beetle because

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Biological Weathering

GEOGRAPHY

Watch in App

explore_more_icon

Explore more

Biological Weathering

Standard IX Geography

Join BYJU'S Learning Program

CrossIcon