Agronomy question answer
1. Q: Wheat: Mustard is an example of?
A: Parallel crop.
👉 Parallel cropping is when two crops are grown together with different nutrient and growth requirements, avoiding competition.
2. Q: Retting of Jute is?
A: Microbiological process.
👉 It involves microbial decomposition of jute bark to extract fibers by soaking in water.
3. Q: Bench terracing is also called as?
A: Staircase farming.
👉 It refers to sloped land being cut into steps to reduce soil erosion and water runoff.
4. Q: Crop known as dew crop?
A: Moth bean.
👉 Moth bean thrives in arid regions and utilizes dew moisture effectively.
5. Q: Famous variety of rice that is grown in Kerala is?
A: Pokkali.
👉 Pokkali is a salt-tolerant, flood-resistant traditional rice variety cultivated in Kerala's coastal fields.
6. Q: Groundnut Aphid (Aphis craccivora) is also a serious pest of?
A: Cowpea, beans, pulses and safflower.
👉 This pest sucks sap from several legumes, reducing crop vigor and yield.
7. Q: In North India, sugarcane is mostly used with how many bud setts?
A: Two bud setts.
👉 Two-budded cane pieces are common in planting as they ensure better germination.
8. Q: MACS-4028 is a newly released protein rich variety of?
A: Wheat.
👉 MACS-4028 is rich in protein and iron, ideal for nutritional improvement.
9. Q: Perennial legume fodder is?
A: Stylo.
👉 Stylosanthes is a drought-resistant, nitrogen-fixing legume used for fodder.
10. Q: Purple pigmentation in brassicas is due to?
A: Phosphorus deficiency.
👉 Lack of phosphorus causes accumulation of anthocyanins, leading to purple color.
11. Q: Sauerkraut is generally prepared from?
A: Cabbage.
👉 It’s a fermented food made by lactic acid bacteria acting on shredded cabbage.
12. Q: Suitable wind velocity for the crop’s growth is?
A: 4-6 km/hr.
👉 Mild wind ensures proper transpiration and gaseous exchange in crops.
13. Q: The nutrient removed in maximum quantity by paddy crop is?
A: Potash.
👉 Potassium is heavily used in rice for grain formation and stress resistance.
14. Q: Tipping is the term related to?
A: Tea.
👉 Tipping involves removing the top bud and young leaves to promote bushy growth.
15. Q: Which chemical causes finger leaf disease in cotton?
A: 2,4-D.
👉 High doses of the herbicide 2,4-D can deform cotton leaves, resembling a "finger" shape.
16. Q: Dead furrow is made by One-way?
A: MB Plough.
👉 Mould Board Plough leaves a furrow in the center, called a dead furrow.
17. Q: Berseem + Forage brassica is an example of?
A: Augmentation cropping.
👉 Augmentation cropping improves forage yield by combining complementary species.
18. Q: Crop showing maximum resistance to nematode is?
A: Marigold.
👉 Marigold roots produce thiophenes that are toxic to nematodes, used in trap cropping.
19. Q: Father of agrometeorology in India?
A: L. A. Ramdas.
👉 He pioneered the study of weather in relation to agriculture in India.
20. Q: Groundnut is the crop which is grown in Zaid season in?
A: Uttar Pradesh.
👉 Groundnut can be grown as a short-duration crop in the summer (Zaid) season.
21. Q: In plants, food material moves through?
A: Phloem.
👉 Phloem conducts sugars from leaves to other plant parts.
22. Q: Maize and cucurbit are examples of?
A: Supplementary crop.
👉 They are grown together where one crop complements the other without competition.
23. Q: Phenyl mercuric acetate (PMA) is a chemical used to?
A: Reduce transpiration.
👉 PMA is an anti-transpirant applied to reduce water loss in crops.
24. Q: Pusa-phalguni and Pusa-Barsati are improved cultivars of?
A: Cowpea.
👉 These varieties are bred for better yield and disease resistance.
25. Q: Scented variety of rice?
A: Kasturi.
👉 Kasturi is a basmati-type aromatic rice known for its pleasant fragrance.
26. Q: Sunflower and Buckwheat are examples of?
A: Green leaf Non-legume manure.
👉 They are grown and plowed into soil to improve organic matter, though non-legumes.
27. Q: Optimum mean temperature for yellow rust of wheat is?
A: 0 to 13°C.
👉 Yellow rust fungus thrives in cool, moist climates within this temperature range.
28. Q: Tuberization in potato can be achieved by?
A: ABA (Abscisic acid).
👉 ABA promotes dormancy and tuber formation under short-day conditions.
29. Q: Which drill machine is suitable for high residue retention?
A: Happy Turbo Seeder.
👉 This machine plants seeds efficiently without removing previous crop residue.
30. Q: Deficiency particularly in rice and wheat growing sandy loam areas?
A: Manganese.
👉 Sandy loam soils often lack manganese, affecting crop metabolism and growth.
