Odisha Board - Class 12 (+2 CHSE Board)

Botany & Zoology CHSE question bank (Biology (+2 Science 12th CHSE Board))

Practice 316 free Odisha Board - Class 12 (+2 CHSE Board) Biology (+2 Science 12th CHSE Board) - Botany & Zoology CHSE questions with answers and step-by-step solutions.

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Q1.

ଆମ ପରିବେଶ (ଓଡ଼ିଶା ପ୍ରାଥମିକ ବିଜ୍ଞାନ): 'ଜୀବମାନଙ୍କ ପ୍ରଜନନ (Reproduction in Organisms)' ଆମ ପରିବେଶ ପାଇଁ କାହିଁକି ଆବଶ୍ୟକ?


(A)
ପରିବେଶ ସନ୍ତୁଳନ ଓ ଜୀବଧାରଣ ପାଇଁ ଅପରିହାର୍ଯ୍ୟ (ଜୀବମାନଙ୍କ ପ୍ରଜନନ (Reproduction in Organisms))
(B)
ପରିବେଶ ପ୍ରଦୂଷଣକାରୀ
(C)
ଅନାବଶ୍ୟକ ତତ୍ତ୍ୱ
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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Q2.

ଗଛଲତା ଓ ଜୀବଜଗତ: 'ଜୀବମାନଙ୍କ ପ୍ରଜନନ (Reproduction in Organisms)' ଉଦ୍ଭିଦର କେଉଁ ଅଂଶର ବିଶେଷତ୍ୱ ଅଟେ?


(A)
ମୂଳ, କାଣ୍ଡ, ପତ୍ର, ଫୁଲ ବା ଫଳର ନିର୍ଦ୍ଦିଷ୍ଟ କାର୍ଯ୍ୟ (ଜୀବମାନଙ୍କ ପ୍ରଜନନ (Reproduction in Organisms))
(B)
ନିର୍ଜୀବ ଅଂଶ
(C)
ଅନାବଶ୍ୟକ ଅଙ୍ଗ
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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