CBSE-CLASS-XII SERIES Biology
Cell Structure And Organelles
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
3
2024 Chapter Questions 3 MCQs
01
PYQ 2024
hard
biology ID: cbse-cla
Three crosses were carried out in pea plants with respect to flower colour violet/white (V/v) and flower position axial/terminal (A/a). Study in the table the crosses ‘a’, ‘b’ and ‘c’ where parental phenotypes and their progeny phenotypes are given.
Find the genotypes of each of the parental pairs of crosses ‘a’, ‘b’ and ‘c’. 
02
PYQ 2024
medium
biology ID: cbse-cla
How are such drugs consumed?
03
PYQ 2024
medium
biology ID: cbse-cla
Work out a cross to explain how normal parents may have a sickle-cell anaemic child.