The available from of nitrogen for plant is________________?

Related Mcqs:

1. Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:

   A. Acid rain
   B. Neutral rain
   C. Both A & B
   D. None of the above

   Submitted by: Shafiq Rehman

2. Phosphorus (P) is the second major nutrient essential for plant growth. With the exception of Nitrogen (N) and Potassium (K), Phosphorus is required by plants in_________?

   A. Lesser quantities
   B. Greater quantities
   C. Not required
   D. The above statement is wrong

   Submitted by: Shafiq Rehman

3. Nitrogen requirement for citrus plant per year is___________________?

   A. 1 Kg
   B. 1-1.5Kg
   C. 2Kg
   D. 4Kg

4. The available form of calcium to plant is________________?

   A. Ca(free cation
   B. CaO
   C. Ca
   D. None of the above

5. Red flower pea plant is crossed with the white flowered pea plant, F1 is red; with flower color is ______________________?

   A. Dominant
   B. Recessive
   C. Non-genetic
   D. Unexpressive

6. If a pure tall plant is crossed with a pure dwarf one, the ratio of tall pure dwarf in the F 2 generation after selling F1 plant will be___________________?

   A. 1:1
   B. 1:2
   C. 2:1
   D. 3:1

7. The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?

   A. 2 tall: 2 dwarf
   B. All homozygous dwarf
   C. All the heterozygous tall
   D. One homozygous tall, one homozygous dwarf, two heterozygous tall

8. If a heterozygous tall plant is crossed with a homozygous dwarf plant the proportion of dwarf progerry will be__________________?

   A. 25%
   B. 50%
   C. 75%
   D. 100%

9. When an albino plant of maize (female) is crossed with normal green plant (male) all plants in the progeny are albino because___________________?

   A. Albinism is dominant over green characters
   B. Green plastids of male parent become nitrated
   C. Plastids are inherited through maternal parents
   D. Crossing over results in structural changes in green plastids

10. The recommended plant to plant space for chiku is __________________?

    A. 20 x 20 ft
    B. 35 x 35 ft
    C. 50 x 50 ft
    D. 100 x 100 ft