Chapter 1 – Heredity and Evolution
Time - 50 Minutes
Marks - 20
1. All the questions are compulsory.
2. Read the question paper carefully.
3. Marks are included against each question.
Q1. Choose the correct option from the given options (2 marks)
(1) _____ can be considered as the first example of a wise man.
(A) Australopithecus
(B) Ramapithecus
(C) Cro Magnon
(D) Neanderthal man
(2) Transfer of information from molecules of DNA to mRNA is called as _____ process.
(A) Transcription
(B) Translocation
(C) Mutation
(D) Translation
Q2. Complete the concept diagram (2 marks)
Q3. Write short notes on. (Any 1) (3 marks)
(i) Connecting links
(ii) Darwin’s theory of natural selection
Q4. Answer in brief. (Any 2) (8 marks)
(i) Explain Mutation with a neat labelled diagram.
(ii) Explain the concept of Lamarckism.
(iii) Explain the concept of Evolution in detail.
Q5. Answer in short. (2 marks)
Difference between Translation and Translocation
Q6. Observe the picture and answer the following questions: (3 marks)
(i) Which evidence of evolution is shown in the picture?
(ii) What can be proven with this evidence?
(iii) Give one more example of evidence of evolution.