Agriculture - Mock Test 39

Question 381

The process of ammonification is often ______ by the use of pesticides?

A) Harmed B) Benefited C) Not affected D) None of these

---

No Details

Question 382

The prime objective of conservation tillage is?

A) Removal of plant residues B) Complete retention of plant residues C) Partial retention of plant residues D) None of these

---

No Details

Question 383

The presence of autotrophic mycorrhiza enhances the uptake of nutrients in general, but particularly of?

A) Iron B) Molybdenum C) Phosphrous D) Nitrogen

---

No Details

Question 384

The positive and high value of redox potential indictes?

A) Reducing conditions B) Strong oxidizing conditions C) Equally reducing and oxidizing conditions D) None of these

---

No Details

Question 385

The porosity will be more in soils having particle size of?

A) 0.005 mm B) 0.02 mm C) 2.0 mm D) 0.002 mm

---

No Details

Question 386

The plant nutrient when supplied in excess prolongs the growing period and delay crop maturity is?

A) Iron B) Phosphorus C) Nitrogen D) Potassium

---

No Details

Question 387

The phosphate potential is denoted as?

A) 1/2 p Ca + pH2PO4 B) PH - 1/2 p Ca C) RT in K+/?Ca++ D) p Ca + pH2PO4

---

No Details

Question 388

The pH of a solution, containing 1 x 10-7 gm ion/ml. will be?

A) 6 B) 7 C) 8 D) 9

---

No Details

Question 389

The percentage of soil water held with water potential - 15 bars is called as?

A) Hygroscopic coefficient B) Wilting point C) Field capacity D) None of the above

---

No Details

Question 390

The pattern of occurrence of various soil taxonomic units on the detailed map is called?

A) Soil complex B) Soil association C) Soil variant D) Soil phase

---

No Details