Tag: agricultural management

Quizzes (16) Questions (4)

Questions Related to agricultural management

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

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

  1. Birds

  2. Insects

  3. Ladybirds

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
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.

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

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
  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-$2$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Blast is caused by Pyricularia oryzae (a-4), Stem rot by Sclerotium oryzae (b-3), Udbatta by Ephelis oryzae (c-1), and Blight by Xanthomonas oryzae (d-2). This matches option A.