HREDITY AND EVOLUTION CHAPTER ASSESMENT
Q1. A Rewrite the statement by using correct option.
- ……. proposed a model for protein synthesis with the help of DNA in bacterial cells.
- Johann Gregor Mendel
- Walter and Sutton
- Francois Jacob and Jack Monad
- Hugo de Vries
- Information about protein synthesis is stored in the …….
- mitochondria
- DNA
- RNA
- ribosomes
- …….. brings in the coded message from the DNA.
- mRNA
- tRNA
- rRNA
- Ribosomes
- As per the message on mRNA, amino acids are supplied by tRNA. This is called as ……………….
- Transcription
- Translation
- Translocation
- Transportation
- ……. is a gradual change occurring in living organisms over a long duration.
- Evolution
- Mutation
- Variation
- Heredity
Q 1. B Answer the following
- State whether the following statements True or False. Correct the false statements.
Complex proteins control various functions in the body of living organisms and their appearance too.
- Name the following – First record of human like animal in the form of ape from East Africa.
- Complete the analogy: Similarities in characters: Morphological evidence :: Similarities in structure of bones and joints : …………………………..
- Find the odd one out:
Transcription, translation, translocation, transpiration
- Fill in the blanks and rewrite the statements:
….. is pioneer of the modern genetics
Q 2. A Give scientific reasons (Any 2)
- Geographical and reproductive isolation of organisms gradually leads to speciation
- Study of fossils is an important aspect of study of evolution.
- There is evidences of fatal science among chordates
Q 2. B Answer the following (Any 3)
- Draw neat and labelled diagrams of: Transcription
- Why did the huge animals like dinosaur become extinct
- Write a note on – Embryology
- Write a note on – Speciation
- Define – heredity, evolution.
Q 3. Answer the following (Any 5)
- Explain Lamarckism
- Write a note on – Evolution
- Observe the figure and answer the questions given below:
- Label parts 1 to 4
- What is the evidence of evolution shown in the picture?
- What is Carbon dating
- Complete the table
Evidence | Example |
Embryological | ……. |
Vestigial organ | …… |
Paleontological | …….. |
- Distinguish between transcription and translation
- Explain with the help of a flow chart the theory of Evolution.
- Observe the picture and answer the questions
- The picture depicts a theory of use or disuse of organs. Name it.
- Name the scientist who proposed it.
- Give one example and explain the theory with its help.
8. Observe the diagram and identify each organism.
Explain their role in proving the process of evolution.
Q 4. Answer the following (Any 1)
- Write the evolutionary history of modern man.
- Sketch and explain the structure of DNA and various types of RNA