Odisha Board - Class 7

Science question bank (Science (ବିଜ୍ଞାନ - ୭))

Practice 327 free Odisha Board - Class 7 Science (ବିଜ୍ଞାନ - ୭) - Science questions with answers and step-by-step solutions.

Start free Book a demo
All Easy Hard Medium
Q1.

ବିଜ୍ଞାନ (NMMS ଓ ଅଷ୍ଟମ ଶ୍ରେଣୀ ବୋର୍ଡ): 'ଉଦ୍ଭିଦରେ ପୋଷଣ' କେଉଁ ବୈଜ୍ଞାନିକ ତଥ୍ୟ ସହ ସମ୍ପର୍କିତ?


(A)
ପାଠ୍ୟପୁସ୍ତକ ଆଧାରିତ ଯଥାର୍ଥ ବୈଜ୍ଞାନିକ ସତ୍ୟ (ଉଦ୍ଭିଦରେ ପୋଷଣ)
(B)
ଅବୈଜ୍ଞାନିକ ମତ
(C)
ଭ୍ରମାତ୍ମକ ଧାରଣା
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Q2.

ଅଣୁଜୀବ: ଉପକାରୀ ଓ ଅପକାରୀ: 'ଉଦ୍ଭିଦରେ ପୋଷଣ' କେଉଁ ଅଣୁଜୀବର କାର୍ଯ୍ୟ ଅଟେ?


(A)
ଜୀବାଣୁ (Lactobacillus/Rhizobium) ବା କବକ ଦ୍ୱାରା କିଣ୍ୱନ (ଉଦ୍ଭିଦରେ ପୋଷଣ)
(B)
ନିଷ୍କ୍ରିୟ ଧାତୁ
(C)
ବିଷାକ୍ତ ରାସାୟନିକ ପଦାର୍ଥ
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Protected Questions

Unlock All 20 Questions in Science

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign in to unlock Create free account

Sign up free to access all 20 questions

Unlock every Science question, generate papers, and practice at your own pace.

Start free