Odisha Board - Class 8

Science question bank (Science (ବିଜ୍ଞାନ - NMMS Prep))

Practice 357 free Odisha Board - Class 8 Science (ବିଜ୍ଞାନ - NMMS Prep) - Science questions with answers and step-by-step solutions.

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Q1.

ବିଜ୍ଞାନ (NMMS ଓ ଅଷ୍ଟମ ଶ୍ରେଣୀ ବୋର୍ଡ): 'ଫସଲ ଉତ୍ପାଦନ ଓ ପରିଚାଳନା' କେଉଁ ବୈଜ୍ଞାନିକ ତଥ୍ୟ ସହ ସମ୍ପର୍କିତ?


(A)
ପାଠ୍ୟପୁସ୍ତକ ଆଧାରିତ ଯଥାର୍ଥ ବୈଜ୍ଞାନିକ ସତ୍ୟ (ଫସଲ ଉତ୍ପାଦନ ଓ ପରିଚାଳନା)
(B)
ଅବୈଜ୍ଞାନିକ ମତ
(C)
ଭ୍ରମାତ୍ମକ ଧାରଣା
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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Q2.

ଅଣୁଜୀବ: ଉପକାରୀ ଓ ଅପକାରୀ: 'ଫସଲ ଉତ୍ପାଦନ ଓ ପରିଚାଳନା' କେଉଁ ଅଣୁଜୀବର କାର୍ଯ୍ୟ ଅଟେ?


(A)
ଜୀବାଣୁ (Lactobacillus/Rhizobium) ବା କବକ ଦ୍ୱାରା କିଣ୍ୱନ (ଫସଲ ଉତ୍ପାଦନ ଓ ପରିଚାଳନା)
(B)
ନିଷ୍କ୍ରିୟ ଧାତୁ
(C)
ବିଷାକ୍ତ ରାସାୟନିକ ପଦାର୍ଥ
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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