Download App

STD 12 - 8. microbes in human welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 8. microbes in human welfare1 Mark
MCQ
Insecticides kill
  • A
    Harmful insects
  • B
    Only plant pests
  • C
    Specific insects
  • ✓
    Both harmful and useful insects
✓

Answer

Correct option: D.
Both harmful and useful insects
d
(d)Pesticides kill both harmful and useful insects.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (0.5 Marks)" from STD 12 - 8. microbes in human welfare→STD 12 - 8. microbes in human welfare — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Pyrethrin is a common ingredient of:
→
Assertion : Mast cells in the human body release excessive amounts of inflammatory chemicals, which cause allergic reactions.

Reason : Allergens in the environment on reaching human body stimulate mast cells in certain individuals.

→
The most important component of the oral contraceptive pills is _____.
    →
    Androgens are secreted by.
    →
    $DNA$ replication is aided by
    →
    Menstrual cycle occurs in :
    →
    The two gases making heighest relative contribution to the green house effect are
    →
    Which one is a biofertilizer:
    →
    Which one of the following process help the watersoluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts?
    →
    What amount of assimilated energy is consumed by carnivores in respiration?
    →