HARD
Earn 100

Which of the following is/are true about Bio fertilisers:

1. Fertilisers containing dead life forms.

2. Azotobacter and Blue-Green Algae are examples of Bio fertilisers.

3. Nutrients are added through the natural fixation of nitrogen.

50% studentsanswered this correctly

Important Questions on Some Non-metals and their Compounds

EASY
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
Application of nitrogenous manure to a plant causes
EASY
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
The excessive use of fertilisers changes the chemical nature of soil and makes the soil less fertile.
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
Write the names of diseases that spread from openly dumped garbage.
EASY
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
Enlist two functions of manures.
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
What metallic compounds cause loss of appetite, nausea in humans?
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
How many types of fertilisers used in crops?
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
Find out the correct statement about manure:
(i) It contains large quantities of organic matter and small quantities of synthetic nutrients.
(ii) It increases the water holding capacity of sandy soil.
(iii) It helps in draining out excess of water from clayey soil.
(iv) Its excessive use pollutes environment because it is made of animal excretory waste.
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers

Give a reason for the following.

Biodegradable and non-biodegradable wastes should be collected separately.

MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
Explain the role of fertilisers in soil pollution?
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
What are the harmful effects of garbage?
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers

What is the role of fertilisers in soil pollution?

 

MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
What metallic compounds cause bending of backbone in humans?
EASY
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
How do chemical fertilisers affect the environment?
EASY
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
Find out the correct sentence about manure
(i) manure contains large quantities of organic matter and small quantities of nutrients.
(ii) it increases the water holding capacity of sandy soil.
(iii) it helps in draining’ out of an excess of water from clayey soil.
(iv) its excessive use pollutes the environment because it is made of animal excretory waste.
HARD
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
The school science club has decided to conduct poster propaganda for creating awareness about pollution due to plastics. Prepare some posters for this.
HARD
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
What are the harmful effects of fertilisers on soil?
EASY
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers

Write the quadrants in which the following points lie:

-4,7

EASY
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
How could the garbage dump affect the lives of the residents?
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
State one major problem caused when the nitrates from fertilisers leach from the soil into streams and rivers.
MEDIUM
Chemistry>Inorganic Chemistry>Some Non-metals and their Compounds>Fertilisers
What are the negative effects of lead on the human body?