Manure and Fertilisers

Q.

Define Weedicides.

Q.

Differentiate between

Broadcasting and seed drill

Q.

Which of the following tools would a farmer use to remove weeds from the field?

1. Hoe

2. Axe

3. Plough

4. Cultivator

Q. Which of the following attributes to differentiate fertilisers and manure?

1. Increase in crop yield.
2. Direct cause of water pollution.
3. Increased water holding capacity of soil.
4. Improvement of soil structure.

Q.

Manure and fertilizers are ___ .

1. both organic

2. both Inorganic

3. organic and inorganic respectively

4. inorganic and organic respectively

Q. Question 3
Which of the following statement is not true for organic manure?

(a) It enhances water holding capacity of soil.
(b) It has a balance of all plant nutrients.
(c) It provides humus to soil.
(d) It improves texture of soil.

Q.

Which of the following is a zaid crop?

1. Paddy

2. Pea

3. Mustard

4. Cucumber

Q. Identify the tool shown in the image and write down two advantages of using this tool.​
Advantages:
1) ____________
2) ____________

Q. In crop rotation, different crops are grown __________ on the same piece of land. [0.5 marks]

A) simultaneously
B) alternately
C) serially
D) randomly

Q. State whether the following statement is true or false.

Statement 1: Manure helps in enhancing the water retention of the soil.
Statement 2: Manure degrades the soil texture.

1. Statement 1: False,
   Statement 2: False
2. Statement 1: False,
   Statement 2: True
3. Statement 1: True,
   Statement 2: False
4. Statement 1: True,
   Statement 2: True

Q.

Match the following.

$\begin{array}{cc}Column1& Column2\\ \text{A) Earthworms}& \text{i) Fertilizers}\\ \text{B) Cow dung}& \text{ii) Vermicompost}\\ \text{C) NPK}& \text{iii) Crop rotation}\\ \text{D) Replenishment method}& \text{iv) Manure}\end{array}$

1. A-iv B-iii C-ii D-i

2. A-ii B-iv C-i D-iii

3. A-iii B-ii c-iv D-i

4. A-i B-iv C-ii D-iii

Q.

Manure is added when the soil is too ____.

1. Acidic

2. Basic

3. Neutral

4. Dry

Q. State whether the following statement is true or false.

Statement 1: Manure helps in enhancing the water retention of the soil.
Statement 2: Manure degrades the soil texture.

1. Statement 1: False,
   Statement 2: False
2. Statement 1: False,
   Statement 2: True
3. Statement 1: True,
   Statement 2: False
4. Statement 1: True,
   Statement 2: True

Q. Why is adding green manure to soil significant? [2MARKS]

Q. Which one of the following can be grown with wheat in mixed cropping?

1. Cabbage
2. Cotton
3. Mustard
4. Jowar

Q. Nitrogen fixing bacteria improve soil fertility.

1. True
2. False

Q. Weeds are removed manually with the help of a ____________. [0.5 marks]

A) hoe
B) plough
C) leveller
D) khurpi

Q. 'X' is a source of nutrients for plants. It is prepared by the decomposition of plant waste and animal excreta. Given below are few uses of X. Identify the one which is not a use of X.

1. It increases soil fertility.
2. It increases soil microflora.
3. It prevents weathering of rocks.
4. It increases water holding capacity.

Q. Growing of legumes in crop rotation is done to increase the soil fertility.

1. True
2. False

Q. Match the following:
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{(A) Earthworm}& \text{(i) Fertiliser}\\ \text{(B) Cow dung}& \text{(ii) Vermicompost}\\ \text{(C) NPK}& \text{(iii) Crop rotation}\\ \text{(D) Replenishment method}& \text{(iv) Manure}\end{array}$

1. A →ii ;B → iii ;C→ i ;D → iv
2. A →iv ;B → iii; C→ i; D → ii
3. A →ii ;B → iv; C→ i; D →iii
4. A →iii; B → iv; C→ i; D → ii

Q.

Which of the following properties differentiate fertilisers and manure?

1. Rich in nutrients

2. Better crop yield

3. Water Pollution

4. None of the above

Q. Match the following:
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{(A) Earthworm}& \text{(i) Fertiliser}\\ \text{(B) Cow dung}& \text{(ii) Vermicompost}\\ \text{(C) NPK}& \text{(iii) Crop rotation}\\ \text{(D) Replenishment method}& \text{(iv) Manure}\end{array}$

1. A →ii ;B → iii ;C→ i ;D → iv
2. A →iv ;B → iii; C→ i; D → ii
3. A →ii ;B → iv; C→ i; D →iii
4. A →iii; B → iv; C→ i; D → ii

Q. Mention any three benefits of manure.

Q. Manure is an substance obtained from decaying plants and animals.

1. organic
2. artificial
3. inorganic

Q.

A farmer did not use nitrogenous fertilizer before growing cereal crop as the soil enriched with this nutrient by the crop which the farmer might have grown earlier:

1. Wheat

2. Gram

3. Bajra

4. Cotton

Q. Manure is an substance obtained from decaying plants and animals.

1. inorganic
2. artificial
3. organic

Q. Certain Indian festivals are associated with the harvest season . Holi is one such festival which of the following set of crops are growth during this festivals?

1. Maize and soyabean
2. Gram and Groundnut
3. Cotton and paddy
4. Wheat and mustard

Q. What is mixed cropping? Which crops can be grown with this method?

Q.

Manure and fertilizers are

1. both Inorganic

2. both organic

3. organic and inorganic respectively

4. inorganic and organic respectively

Q. Bio-fertilisers include:

1. Only Cyanobacteria
2. Nitrogen fixing bacteria, Cyanobacteria and Fungi
3. Urea
4. Gut bacteria