CBSE 12TH BIOLOGY - Online Test
Q1. The correct sequence of gene expression is
a. Formation of primary transcript
b. Regulation of splicing
c. Transport of mRNA from nucleus to cytoplasm>
d. Translation
a. Formation of primary transcript
b. Regulation of splicing
c. Transport of mRNA from nucleus to cytoplasm>
d. Translation
Answer : Option B
Explaination / Solution:
The correct sequence of events involving gene expression includes formation of primary transcript, regulation of splicing, transport of mRNA from nucleus to cytoplasm and translation.
Q2.
Assertion: Breast-feeding during the initial period of lactation is recommended by doctors for bringing up healthy baby.
Reason: initial period of lactation contain colostrum that contain several antibodies.
Answer : Option C
Explaination / Solution:
Breast feeding during initial few days of lactation is recommended by doctors because it contains immunoglobin containing colostrum that provide antibodies to fight infection.
