Tag: agricultural management

Questions Related to agricultural management

___________ are let out in the fields to destroy pests selectively.

biology agricultural management patterns of cropping rotation of crops common irrigation systems

  1. Birds

  2. Insects

  3. Ladybirds

  4. All of the above

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Correct Option: D
Explanation:

In biological control method, birds, insects and other living organisms are deliberately let out in fields to selectively kill pests. This becomes an easy method for protecting crops against selective pests.

Colletotrichum infecting sugarcane produces which of the following asexual fruiting bodies?

biology agricultural management patterns of cropping rotation of crops common irrigation systems

  1. Acervulus

  2. Pycnidiurn

  3. Sporodochium

  4. Synnemata

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Correct Option: A

Match List I(Rice diseases) with List II(Causal organisms) and select the correct answer using the codes given the lists.

List-I List-II
a. Blast $1$. Ephelis oryzae
b. Stern rot $2$. Xanthomonas oryzae
c. Udbatta $3$. Sclerotium oryzae
d. Blight $4$. Pyricularia oryzae
biology agricultural management patterns of cropping rotation of crops common irrigation systems

  1. A-$4$, B-$3$, C-$1$, D-$2$

  2. A-$2$, B-$1$, C-$3$, D-$4$

  3. A-$2$, B-$3$, C-$1$, D-$4$

  4. A-$4$, B-$1$, C-$3$, D-$2$

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Correct Option: A

_________ is the biological controlled product.

biology agricultural management patterns of cropping rotation of crops common irrigation systems

  1. Bt cotton

  2. Grasses

  3. Gibberlin modified fruits

  4. All of the above

Show answer
Correct Option: A
Explanation:

Bt cotton is modified in such a way that it is resistant to insects and pests. It has inactive protein being produced which gets activated once entering the gut of insect and killing them.