CBSE Class 12 Biology Chapter 11 Reproduction In Organisms Competency-Based Questions: The competency-based questions are designed by CBSE as they evaluate the understanding of the students on a particular topic or subject. With the help of these questions, students can apply their theoretical knowledge to real-life situations. It also gives them the ability to think critically and tackle the problems. Look at these competency-based questions for Class 12 Biology chapter 11 Reproduction In Organisms and the answer key.
Question
1. Amoeba reproduces through a process called binary fission as shown in the diagram below:
a) How is this different from mitosis about:
(i) types of cells where these processes take place?
(ii) how the genetic material is divided?
(b) In the case of binary fission, are the daughter cells genetically similar to the parent cells? Justify.
Answer
(a) 0.5 marks for each correct answer:
Mitosis occurs in eukaryotic cells while binary fission occurs in prokaryotic cells. In binary fission, the genetic material is simply cut into two halves / there is no spindle formation while in mitosis, spindle formation divides the nuclear material.
(b) Yes. [0.5 marks]
The parental genetic material is divided into two and passed on to the daughter cells formed by binary fission. [0.5 marks]
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