Agriculture - General Knowledge Questions and Answers

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Drip irrigation is not suitable for?

A)
Fruit farms

B)
Horticulture

C)
Paddy fields

D)
Floriculure


Correct Answer :

Black colour absorbs heat quickly


Explanation :

Paddy, also called rice paddy, small, level, flooded field used to cultivate rice.

Instrument used to measure the purity of milk is?

A)
Hydrometer

B)
Barometer

C)
Lactometer

D)
Anemometer



Explanation :

A lactometer is an instrument that is used to check for the purity of milk by measuring its density.
An instrument to find out the content of the water in the milk or to test the richness of the milk is thus termed as 'lactometers'. The lactometer works on the principle of gravity of milk.

Excellent timber producing tree is?

A)
Teak

B)
Sal

C)
Haldu

D)
Babool


Correct Answer :

Teak


Explanation :

teak is durable and fire-resistant. It can be easily seasoned and worked. It is among the most valuable timber trees of the world and its use is limited to superior work.

If the pH of a soil sample is 4, which of the following substance can be added to help the growth of plants?

A)
Calcium chloride

B)
Calcium oxide

C)
Urea

D)
Organic matter


Correct Answer :

Calcium oxide


Explanation :

A neutral solution has pH 7; a lower pH means that the solution is acid and a higher pH that it is alkaline.

Calcium oxide, CaO is known as unslated lime, burnt lime and quicklime. It is manufactured by roasting calcitic limestone in a furnace.
It added in the soil for the purpose of reducing soil acidity.

Which of the following reproduces from underground stem?

A)

Radish


B)

Potato


C)

Carrot


D)

Sweet potato



Correct Answer :

Potato


Explanation :

Potato is a stem vegetable. The potatoes grow on underground stem.
The potato tubers are actually thickened stem they have buds that sprout stem and leafs. Roots can’t do that.

Which gas is fixed by Rhizobium bacteria present in the root nodules of a pea plant ?

A)

Nitrogen


B)

Carbon dioxide


C)

Oxygen


D)

Helium



Correct Answer :

Nitrogen


Explanation :

Rhizobia forms a symbiotic relationship or nodules in the roots systems of legumes such as soybean, pea, clover alfalfa etc. These bacteria take nitrogen from the air and “fix” or concentrate it in pink root nodules, adding nitrogen to the soil in a form the plants can absorb thus eliminating the need of nitrogen fertilization.

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Errors Identification

Read the sentence carefully and choose the option that has an error in it:
The management’s trusted employee was suspected of stealing large sum of money.

Read the sentence carefully and choose the option that has an error in it:
The teacher asked the child to repeat again because he spoke feebly.

Fill in the blank

Fill in the blank with the most appropriate preposition in the given sentence.
Let’s sit _________ the shade of this beautiful tree.

Choose the most appropriate determiner for the given sentence.
________of what he said was very sensible.

Substitution

Choose the option that substitutes the given phrase appropriately.
A work of art made by carving

Correct sentence

Choose the option that best transforms the sentence into its Indirect form:
‘What country do you come from?’ said the police officer.

Alternative Phrase

Choose the option that best explains the highlighted expression:
All human beings have feet of clay.

Fill in the blank

Choose an appropriate modal for the given sentence:
My doctor said that I_____ stop smoking as one of my lungs got infected.

Choose the appropriate prepositions for the given sentence:
My parents have been married ________ forty-nine years, but you can still see the love ________ their eyes.

Choose the appropriate conjunction for the given sentence:
______ it rains, the college will declare the holiday.

Antonyms

Choose the appropriate antonym for the highlighted word in the given sentence.
The family protracted their visit by several days.

Tenses

Choose the appropriate tenses to fill in the blanks in the given sentence:
Please _________ a noise. Ritu __________ to sleep.

Synonyms

Choose the appropriate synonym for the highlighted word in the given sentence.
Does he really expect us to believe such a flimsy excuse?

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