EASY
Earn 100

Define domestic wastes.

Important Questions on Environmental Issues

MEDIUM
Which among the following are not agrochemicals?
HARD

Identify the following statements as true (T) or false (F), and select the correct option.

A. In the aquatic food chain, pesticides such as DDT are metabolised at higher trophic level.

B. Metals that have the density of 75 g/cm3 are called heavy metals.

C. Minamata disease is developed due to Hg pollution in water.

D. FOAM is a term related to the oil spill pollution.

MEDIUM
Assertion: Agricultural output increased several times after the introduction of DDT.

Reason: DDT was the first insecticide used on a wide scale.
HARD
Organic farming is the technique of raising crops through the use of
MEDIUM
Choose the odd one in each of the following and state the category to which the other belongs.
EASY
By using the_____3R/3P method, we can decrease soil pollution.
MEDIUM
Introduction of parasite, predator and pathogens of the pests into the environment to reduce the pest population constitutes:
MEDIUM
Shell of egg in bird becomes thin (not properly formed) due to the pollution of pesticides. This occurs due to disturbed
HARD
As we travel along the food chain, the concentration of DDT
MEDIUM
Which among the following is true about agrochemicals?
MEDIUM
What was the focus of Rachel Carson’s book 'Silent Spring' published in 1962'?
EASY
Domestic wastes which are biodegradable can be changed into_____. (Manure/ Insecticide)
MEDIUM
Which of the following statement is correct with respect to chemical fertilizers?
MEDIUM
In an area where DDT had been used extensively, the population of birds declined significantly because