Agriculture - Mock Test 60

Question 591

Nutrient absorbed by plants are carried upward through the?

A) Xylem B) Phloem C) Both a & b D) None of these

---

No Details

Question 592

Nutrient index is used to prepare the?

A) Soil productivity map B) Soil fertility map C) Both of the above D) None of the above

---

No Details

Question 593

Non-symbiotic bacteria fixes _______ amount of N2 than symbiotic N2 fixers?

A) Less B) More C) Equal D) Not known

---

No Details

Question 594

Non-humic substances are less complex and are _____ to microbial attack than those belonging to humic group?

A) More resistant B) Less resistant C) More susceptible D) Less susceptible

---

No Details

Question 595

Nitrogenous fertilizer's are classified into ?

A) Two groups B) Three groups C) Four groups D) None of the above

---

No Details

Question 596

Nitrogen, phosphorous, potassium, calcium, magnesium and sulphur, which are used by plants in relatively large quantities, are referred to as?

A) Macro nutrients B) Micro nutrients C) Trace nutrients D) Bulk nutrients

---

No Details

Question 597

Nitrogen is taken by the plants in the form of?

A) Elemental nitrogen B) Nitrate C) Nitrite D) None of these

---

No Details

Question 598

Nitrogen is an essential nutrient element for the plants because?

A) It imparts early vigorous vegetative growth and dark green colour B) It provides extensive root system C) It strengthens straw and prevent lodging D) It stimulates seed formation

---

No Details

Question 599

Nitrogen is absorbed by the plants in the form?

A) Only as NO3-1 B) Only as NH4+ C) Both a & b D) None of the above

---

No Details

Question 600

Nitrification is mainly carried out by?

A) Hetero-trophic organism B) Photoauto-trophic organism C) Chemoauto-trophic organism D) None of the above

---

No Details