Crop Production And Management Test

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Crop Production And Management Test - 6

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Weekly Quiz Competition

Question 1
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Refer to the figures (a) and (b) given below:

Choose the incorrect statement from the ones given below:

A
Figure (a) represents an apiary and figure (b) is a honey extractor.

B
The agricultural practice concerned with the figures given above is known as apiculture.

C
The quality of the honey depends on the flowers available to bees for the nectar and pollen collection.

D
An Italian variety of bee is Apis dorsata which can be easily reared in the area depicted by figure (a).

Solution

Apis dorsata, the giant honey bee, is a honey bee of South and Southeast Asia. It is not an italian variety.

Question 2

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Match column (A) with column (B):

(A)	(B)
(a) Cattle used for tilling and carting (b) Indian breed of chicken (c) Sahiwal, Red Sindhi (d) Milch (e) Chicken better fed for obtaining meat	(i) Milk producing female (ii) Broiler (iii) Drought animals (iv) Local breed of cattle (v) Aseel

(a) - (iii), (b) - (v), (c) - (iv), (d) - (i), (e) - (ii)

(a) - (v), (b) - (iii), (c) - (iv), (d) - (i), (e) - (ii)

(a) - (ii), (b) - (v), (c) - (iv), (d) - (i), (e) - (iii)

(a) - (iv), (b) - (v), (c) - (iii), (d) - (i), (e) - (ii)

Solution

(A)	(B)
(a) Cattle used for tilling and carting	(iii) Draught animal
(b) Indian breed of chicken	(v) Aseel
(c) Sahiwal, Red Sin	(iv) Local breed of cattle
(d) Milch	(i) Milk producing female
(e) Chicken better fed for obtaining meat	(ii) Broiler

Question 3
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Identify the tool given below:

A
Sickle

B
Hoe

C
Seed drill

D
Combine

Solution

The tool shown in the figure is a hoe. It is a versatile agricultural and horticultural hand tool used to shape soil, remove weeds, clear soil, and harvest root crops.
Question 4
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Which of the following methods use(s) insects and some other organisms for removing weeds?

A
Manual method

B
Chemical method

C
Biological control method

D
Both manual and biological control methods

Solution

Biological control or biocontrol is a method of controlling pests such as insects, mites, weeds and plant diseases using other organisms.
Question 5
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Read the statements given below:

(i) Seeds require moisture for germination.
(ii) Plants can absorb nutrients mostly in dissolved form.
(iii) Irrigation protects crops from hot air currents.
(iv) Irrigation improves soil texture.

Choose the combination of statements which indicate the need to irrigate crops.

A
(i) and (ii)

B
(i), (ii) and (iii)

C
(i), (ii), (iii) and (iv)

D
(i) and (iii)

Solution

All the four statements are true. Irrigation is essential as plants can absorb nutrients mostly in dissolved form. Seeds also require moisture for germination. Irrigation softens the soil and improves its texture. Irrigation also protects crops from hot air currents.
Question 6
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Read the following statements and select the option that correctly identifies true (T) and false (F):

a. Weeds compete with the crop for light, nutrients and space.
b. Weeds cannot be controlled by weedicides which are also harmful to the main crop.
c. The best time for removal of weeds is before they flower and produce seeds.
d. There is no manual method of removing weeds.

A
a - T, b - T, c - F, d - T

B
a - F, b - T, c - T, d - F

C
a - T, b - F, c - T, d - F

D
a - F, b - F, c - T, d - T

Solution

Weedicides are chemicals used to kill weeds. Weeds can be removed with the help of hoe or khurpi.
Question 7
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Select the incorrect match from the options given below:

A
Sickle Harvesting

B
Hoe Seed storage

C
Seed drill Sowing

D
Sprinkler Irrigation

Solution

A hoe is an agricultural hand tool used to shape soil, remove weeds, clear soil, and harvest root crops. It is not concerned with seed storage.

Question 8

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Given below are a few differences between manures and fertilisers. Which of the given differences are incorrect?

Manures	Fertilisers
(a) Manure is a natural or organic substance.	(a) Fertiliser is a synthetic substance or an inorganic compound.
(b) It is obtained by the decomposition of plant and animal wastes.	(b) It is artificially prepared in factories.
(c) These are nutrient specific.	(c) These are not nutrient specific.
(d) These are slowly absorbed by the plants.	(d) These are quickly absorbed by the plants.
(e) These are compact, and require less space to store.	(e) These are bulky and voluminous, hence difficult to store.

b and d

a and b

c and e

c and d

Solution

Manures are not nutrient specific, but fertilisers are.
Manures are bulky and voluminous and hence, difficult to store. Fertilisers are compact and require less space to store.

Question 9
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Choose the option that shows the correct order of sugarcane crop production.

A
5 6 4 7 2 3 1

B
6 5 4 7 2 3 1

C
4 6 4 7 2 3 1

D
5 6 7 4 2 3 1

Solution

The steps involved in sequential order in the production of a crop are:
1. Preparation of soil
2. Ploughing the field
3. Sowing
4. Manuring
5. Irrigation
6. Harvesting
7. Sending the crop to the factory
Question 10
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The poisonous chemicals used to kill weeds are called weedicides. Which of the following is/are not weedicides?

a. 2,4-D
b. NPK
c. Butachlor

A
Only a

B
Only a and b

C
Only b

D
Only b and c

Solution

This is the correct option. NPK (Nitrogen, Phosphorus, Potassium) is not a weedicide. It is a chemical fertiliser.
Question 11
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Directions For Questions

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A performs the function of separating grains from the chaff and B is used for cutting of crop after it has matured. What does AB stand for?

A
Cultivator

B
Converter

C
Combine

D
Mower

Solution

AB stands for combine. A combine is a machine which can perform tasks of A and B both. It can do threshing like A, as well as harvesting like B.
Question 12
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How can we control pests that attack the stored grains?

a. Spraying insecticides over grains
b. Converting insecticide solution into fumes to kill the insects
c. Mixing neem kernel powder along with grains

A
Only a

B
Only b

C
Both a and b

D
Both b and c

Solution

Fumigation and addition of plant products are the control measures against pests attacking stored grains.
In chemical control method, insecticides can be applied by spraying over the gunny bags that contain grains and not directly on the grains.
Question 13
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Which of the following statements correctly defines 'White Leghorn'?

A
It is an indigenous breed that requires less feed.

B
It is an exotic breed that requires less feed.

C
It is an exotic breed that requires more feed.

D
It is an indigenous breed that requires more feed.

Solution

Its body size is small, so less food is required for its maintenance.
Question 14
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Directions For Questions

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Refer to the flow chart given in the above passage and choose the incorrect option.

A
A are clean seeds.

B
B are hollow seeds.

C
A seeds give high yield.

D
B are healthy seeds.

Solution

B seeds float on water, so they are light and damaged. Thus, they are unhealthy.
Question 15
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Directions For Questions

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Refer to the two group of crops shown above and select the wrong statements.

a. Rainy season is good for group A crops.
b. Group B crops are monsoon crops.
c. Group B crops depend upon irrigation sources.
d. October to March is the best period for group A crops.

A
b and d

B
a and b

C
a and c

D
b and c

Solution

Group B crops are rabi crops which grows best from October to March, thus they are not called monsoon crops. Optimum months for growing group A crops are from June to September.
Question 16
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Directions For Questions

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Refer to the Venn diagram given above and choose the right purpose of ABC.

A
Increasing the nutritive content of soil

B
Upturning of soil

C
Increasing the moisture content of soil

D
Removal of pests

Solution

A, that is earthworms improve the water holding capacity of the soil. B, that is plough is used to scrape the soil. C, that is hoe is used to remove weeds. They all perform tilling or upturning of the soil and prepare it for cultivation.
Question 17
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Directions For Questions

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Refer to the flow chart given above and choose the correct match.

A
A consists of two large wheels, connected by an endless chain.

B
In B, water is sprinkled on the crops as if it is raining.

C
C provides water to plants drop by drop.

D
D uses pulley to take out water.

Solution

D is a system of direct watering so it is probably moat. In moat method, water is directly taken out of wells with the help of pulley and is used to irrigate fields.
Question 18
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Directions For Questions

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The graph represents water holding capacity of different soils. Which type of soil would be best suited for sprinkler system?

A
Loamy soil

B
Sandy soil

C
Clayey soil

D
Silt

Solution

Sandy soil has water holding capacity of 29.40%. Sprinkler is very useful for sandy soil as it has poor water retaining capacity. Sprinklers are very beneficial as they irrigate plants from top to bottom.
Question 19
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Directions For Questions

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Refer to the flow chart given above and choose the correct sentence.

A
A : Used for storing small quantities of grains

B
A: Used for performing combined harvesting and threshing

C
C : Done in huge ovens

D
B: Used in household storage

Solution

Neem leaves are widely used to repel the pest from storage spaces. This is specifically useful in household storage.
Question 20
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Which of the following statements properly defines 'broiler'?

A
Good egg laying breed

B
High meat yielding breed

C
High meat yielding and good egg laying breed

D
Small body breed that yields more meat

Solution

High meat yielding breed is known as 'broiler'.