Agronomy Mcqs - Set 3

1)   Indus river is one of the longest river of Asia measuring about_____________________?

a. 3000 Km
b. 2500 Km
c. 2900 Km
d. 3200 Km
Answer  Explanation 

ANSWER: 2900 Km

Explanation:
No explanation is available for this question!


2)   Main reason behind the shedding of flower in cotton is__________________?

a. Low temperature
b. High temperature
c. Humidity
d. Cloudy day
Answer  Explanation 

ANSWER: High temperature

Explanation:
No explanation is available for this question!


3)   Sex pheromones traps are used for the pest of__________________?

a. Pink boll worm
b. American boll worm
c. Both a and b
d. non of these
Answer  Explanation 

ANSWER: Both a and b

Explanation:
No explanation is available for this question!


4)   Root rot of cotton is a_________________?

a. Bacterial disease
b. Viral disease
c. Fungal disease
d. None of the above
Answer  Explanation 

ANSWER: Fungal disease

Explanation:
No explanation is available for this question!


5)   Raising of only one crop in a year, when there is seasonal supply of water is called______________?

a. Monocropping
b. Monoculture
c. Specialized farming
d. Intensive cropping
Answer  Explanation 

ANSWER: Monocropping

Explanation:
No explanation is available for this question!


6)   Effects of allelopathic compound in the life cycle of plants cause inhibition of________________?

a. Seed deterioration
b. seed germination
c. Seed swelling
d. non of these
Answer  Explanation 

ANSWER: seed germination

Explanation:
No explanation is available for this question!


7)   Annual rye grass releases a chemical through its root that prevents________________?

a. Crop seeds
b. weed seed
c. Both a and b
d. non of these
Answer  Explanation 

ANSWER: Both a and b

Explanation:
No explanation is available for this question!


8)   Allelopathy is an important component in the development of future integrated strategies for____________?

a. Soil management
b. Weed management
c. Water management
d. non of these
Answer  Explanation 

ANSWER: Weed management

Explanation:
No explanation is available for this question!


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

a. Pest and insect management
b. Disease and pest management
c. Weed and pest management
d. non of these
Answer  Explanation 

ANSWER: Weed and pest management

Explanation:
No explanation is available for this question!


10)   Plants which grow on dry region are____________________?

a. Xerophytes
b. Thermophytes
c. Hydrophytes
d. Haplophytes
Answer  Explanation 

ANSWER: Xerophytes

Explanation:
No explanation is available for this question!


11)   Crop rotation means growing_________________?

a. Same craps
b. Growing green manures
c. Growing different crops
d. Growing fodder crops
Answer  Explanation 

ANSWER: Growing different crops

Explanation:
No explanation is available for this question!


12)   Critical factors for crop production is________________?

a. Land
b. Water
c. Pure seed
d. fertilizer
Answer  Explanation 

ANSWER: Pure seed

Explanation:
No explanation is available for this question!


13)   One hectare is equal to___________________?

a. 3.47 acre
b. 2.471 acre
c. 1.71 acre
d. 1.9 acre
Answer  Explanation 

ANSWER: 2.471 acre

Explanation:
No explanation is available for this question!


14)   The climates of sindh province comes under__________________?

a. tropical
b. Temperature
c. Sub tropical
d. all
Answer  Explanation 

ANSWER: Sub tropical

Explanation:
No explanation is available for this question!


15)   The soil has got______________?

a. Six horizons
b. Five horizons
c. Seven horizons
d. Two horizons
Answer  Explanation 

ANSWER: Seven horizons

Explanation:
No explanation is available for this question!


16)   The management of kind by planting a series of crops, pastures or following to maximize production with sustaining land quality is called_______________?

a. Crop rotation
b. Crop sequence
c. Cropping system
d. Crop management
Answer  Explanation 

ANSWER: Crop rotation

Explanation:
No explanation is available for this question!


17)   Crop ideotype refers to________________?

a. Model plant type
b. Good plant type
c. Ideal plant type
d. All the above
Answer  Explanation 

ANSWER: All the above

Explanation:
No explanation is available for this question!


18)   The experimental design which control fertility level in two directions is known as________________?

a. RBD
b. SPD
c. AD
d. LSD
Answer  Explanation 

ANSWER: LSD

Explanation:
No explanation is available for this question!


19)   Drought is measuring in terms of________________?

a. Yield performance
b. Photosynthesis
c. Root length of seeding
d. All the above
Answer  Explanation 

ANSWER: All the above

Explanation:
No explanation is available for this question!


20)   Soil reaction of preference of sugarcane is________________?

a. 6.00 pH
b. 7.03 pH
c. 8.00 pH
d. 6.5 pH
Answer  Explanation 

ANSWER: 8.00 pH

Explanation:
No explanation is available for this question!