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)