Odisha Board - Class 9

Biology question bank (Life Science (ଜୀବ ବିଜ୍ଞାନ - ୯))

Practice 480 free Odisha Board - Class 9 Life Science (ଜୀବ ବିଜ୍ଞାନ - ୯) - Biology questions with answers and step-by-step solutions.

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Q1.

ଜୀବ ବିଜ୍ଞାନ (ପୋଷଣ, ପରିବହନ ଓ ରେଚନ): 'କୋଷ - ଜୀବନର ମୌଳିକ ଏକକ' ରେ ବୃକକ୍ (Kidney) ର କାର୍ଯ୍ୟକ୍ଷମ ଏକକ କ’ଣ?


(A)
ନେଫ୍ରନ୍ (Nephron) ଦ୍ୱାରା ରକ୍ତ ପରିସ୍ରବଣ ଓ ମୂତ୍ର ନିଷ୍କାସନ (କୋଷ - ଜୀବନର ମୌଳିକ ଏକକ)
(B)
ନ୍ୟୁରନ୍
(C)
ଆଲଭିଓଲି
(D)
ଏଥିମଧ୍ୟରୁ କୌଣସିଟି ନୁହେଁ
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Q2.

ବଂଶଗତି ଓ ମେଣ୍ଡେଲଙ୍କ ନିୟମ (Heredity - HSC Board): 'କୋଷ - ଜୀବନର ମୌଳିକ ଏକକ' ଏକସଙ୍କର ପରୀକ୍ଷଣର ଫିନୋଟାଇପ୍ ଅନୁପାତ କ’ଣ?


(A)
$3 : 1$ (ଜିନୋଟାଇପ୍ ଅନୁପାତ $1 : 2 : 1$) (କୋଷ - ଜୀବନର ମୌଳିକ ଏକକ)
(B)
$9 : 3 : 3 : 1$
(C)
$1 : 1$
(D)
$2 : 1$
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