Agronomy Quiz 6

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Agronomy Quiz 6

1 / 50

Allclopatluc interactions in general and the allelochemicals in particular are viewed as an important tool for_______________?

2 / 50

The role of boron and zinc has been recognized in crop_________________?

3 / 50

Azolla which fixes nitrogen in rice field is__________________?

4 / 50

The higher leachate conductivity is associated with__________________?

5 / 50

Seeds of wheat, paddy and maize showed positive correlation germination (%) and viability (%) as determined by________________?

6 / 50

The ratio of treatment variance to error variance is known as_________________?

7 / 50

One of the following insect act as a vector for CLCV________________?

8 / 50

A method of estimating seed vigour on the basis of color intensity o the stained seeds was described by______________?

9 / 50

Partially decomposed organic matter is termed as___________________?

10 / 50

Soil water in excess of hygroscopic and capillary water which moves downward through the soil by the force of gravity is called______________?

11 / 50

Use of linear measurements of plumule growth as a vigour test was first suggested by_______________?

12 / 50

Main reason behind the shedding of flower in cotton is__________________?

13 / 50

A gas produced by anaerobic decomposition of organic compounds is called as_________________?

14 / 50

In 1992-93 the greatest decrease in the production of cotton was due to attack of_____________?

15 / 50

The root of cotton plant goes up to depth of_________________?

16 / 50

Losses of soil moisture vapour form is called as_________________?

17 / 50

Ratio of crop yield to the amount of water utilized is called______________?

18 / 50

Seeds which dried at low moisture contents and stored at low temperature without loosing their viability are________________?

19 / 50

Highly decomposed stage of organic matter is called_______________?

20 / 50

The vegetation found on high altitude mountain is__________________?

21 / 50

Pulling of off- type plants from a cropped field is called___________________?

22 / 50

Pakistan has a total forest area of about_________________?

23 / 50

Barani Agriculture institute is located at _________________?

24 / 50

Gassypium hirsutum was developed from a cross between________________?

25 / 50

Plants grown in dry region are_________________?

26 / 50

The allelochemicals are broadly classified as_______________?

27 / 50

Melilotus alba is objectional weed of__________________________?

28 / 50

Fertilizer requirements of wheat under medium loamy soil is________________?

29 / 50

Tillage is field operation which help in cutting, loosening and inverting the soil for_________________?

30 / 50

A nutrient element is said to be essential if___________________?

31 / 50

In Pakistan the area effected due to water erosion is about_________________?

32 / 50

The transport of a substance across a biological membrane against a concentration gradient is called___________________?

33 / 50

CLCV stands for__________________?

34 / 50

When the course of water is blocked at some places if is called___________________?

35 / 50

Causal organism of root rot of cotton is_____________________?

36 / 50

Botanical name of American cotton is_________________?

37 / 50

The application of fertilizer nutrients in proportions best suited to the needs of the crop is called_________________?

38 / 50

The plants which, grow neither in dry nor in wet condition are_______________________?

39 / 50

Who gave the formula for speed of germination_______________?

40 / 50

A region with an annual rainfall less than 10 inches comes under_________________?

41 / 50

The actual amount H2O present in the air is called_____________?

42 / 50

Major source of sugar in world is_________________?

43 / 50

Due to phosphorus deficiency in plants____________________?

44 / 50

An example of monocot fiber yielding plant is_________________?

45 / 50

On the basis of yield of cotton per hectare which of the following country occupies second position______________?

46 / 50

In B.T cotton B.T. stands for__________________?

47 / 50

The depth of irrigation water required for the full crop period is called_______________?

48 / 50

Allelochemicals are used as growth regulators and natural pesticides to promote__________________?

49 / 50

The pH of urea fertilizer is _________________?

50 / 50

A method of control of pests in which natural predators and parasites are used without causing serious adverse environmental side effects is called_________________?

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