Adding manure and fertilizers to the soil helps make it better for growing crops. Manure is made from old plant and animal stuff that has broken down. Fertilizers can be made from fake or natural stuff. When we use both manure and fertilizers, it makes our crops grow better, and it keeps the soil healthy by giving it the things it needs.
Manures and Fertilizers MCQ for NEET
Ques 1. Azolla is used as a biofertilizer as it possesses
1. humus in large quantities
2. cyanobacteria
3. mycorrhiza
4. rhizobium
Answer: cyanobacteria
Ques 2. For paddy, the best fertilizer is
1. Bacillus polymyxa
2. Bacillus megaterium
3. Azolla pinnata
4. Rhizobium meliloti
Answer: Azolla pinnata
Ques 3. Green manure is
1. Maize
2. Sesbania
3. Sorghum
4. Rice
Answer: Sesbania
Ques 4. Composted manure is formed from
1. farm and household refuse
2. green and farmyard manure
3. organic wastes from where biogas extraction takes place
4. animal refuse and rotten vegetables
Answer: animal refuse and rotten vegetables
Ques 5. This is not included in organic farming
1. crop rotation
2. compost and farmyard manures
3. green manures
4. chemical fertilizer
Answer: chemical fertilizer
Ques 6. Pyrethrin is obtained from
1. Chrysanthemum cinerariifolium
2. Azadirachta indica
3. Tagetes erecta
4. Urtica dioica
Answer: Chrysanthemum cinerariifolium
Ques 7. In children, this disease is caused due to excess nitrate fertilizers usage
1. mumps
2. septicemia
3. jaundice
4. methaemoglobinaemia
Answer: methaemoglobinaemia
Ques 8. This chemical fertilizer is essential for better rhizobial nitrogen fixation
1. sodium
2. potassium
3. calcium
4. phosphorus
Answer: phosphorus
Ques 9. Appropriate use of cow dung is made in
1. medicine
2. manure
3. fuel
4. building/construction material
Answer: manure
Ques 10. Green manure plants are
1. Compositae
2. Solanaceae
3. Leguminosae
4. Poaceae
Answer: Leguminosae
