300+ TOP MCQs on Manures and Fertilizers and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Manures and Fertilizers Multiple Choice Questions

MCQs on Manures and Fertilizers :

1. Green manure plants are
(a) Poaceae
(b) Solanaceae
(c) Leguminosae
(d) Compositae

Answer

Answer: (c)

2. This chemical fertilizer is essential for better rhizobial nitrogen fixation
(a) calcium
(b) potassium
(c) sodium
(d) phosphorus

Answer

Answer: (d)

3. Azolla is used as a biofertilizer as it possesses
(a) humus in large quantities
(b) rhizobium
(c) mycorrhiza
(d) cyanobacteria

Answer

Answer: (d)

4. Pyrethrin is obtained from
(a) Chrysanthemum cinerariifolium
(b) Azadirachta indica
(c) Urtica dioica
(d) Tagetes erecta

Answer

Answer: (a)

5. This is not included in organic farming
(a) crop rotation
(b) chemical fertilizer
(c) green manures
(d) compost and farmyard manures

Answer

Answer: (b)

6. Appropriate use of cow dung is made in
(a) medicine
(b) fuel
(c) manure
(d) building/construction material

Answer

Answer: (c)

7. In children, this disease is caused due to excess nitrate fertilizers usage
(a) mumps
(b) jaundice
(c) septicemia
(d) methaemoglobinaemia

Answer

Answer: (d)

8. For paddy, the best fertilizer is
(a) Bacillus polymyxa
(b) Bacillus megaterium
(c) Azolla pinnata
(d) Rhizobium meliloti

Answer

Answer: (c)

9. Composited manure is formed from
(a) farm and household refuse
(b) animal refuse and rotted vegetable
(c) organic wastes from where biogas extraction takes place
(d) green and farmyard manure

Answer

Answer: (b)

10. A green manure is
(a) Maize
(b) Rice
(c) Sorghum
(d) Sesbania

Answer

Answer: (d)

Leave a Reply

Your email address will not be published. Required fields are marked *