Chapter 1 - Living World and Classification of Microbes
Time - 60 Minutes
Marks - 20
1. All the questions are compulsory.
2. Read the question paper carefully.
3. Marks are included against each question.
Q1. Fill in the blanks. (2 marks)
1. According to the 2011 census, about ____ species of living organisms are found on earth.
2. Many bacteria together form ____.
Q2. Arrange the following in ascending order of size. (1 mark)
Bacteria, Fungi, Viruses, Algae.
Q3. Who am I? (3 marks)
a. I live on decaying organic matter or plasma membranes.
b. I have nucleus and membrane bound cell organelles.
c. I am green, but don’t have organs.
Q4. Draw neat and labelled diagrams. (Any 1) (2 marks)
a. Bacteriophage.
b. Paramoecium.
Q5. Complete the five kingdom method of classification using – (2 marks)
Living organisms, prokaryotes, eukaryotes, multicellular, unicellular, protista, animals, plants, fungi.
Q6. State whether the following statements are true or false. Explain your statement. (2 mark)
Cell wall of fungi is made up of chitin.
Q7. Answer the following: (Any 2) 5 marks
a. State the merits of Whittaker’s method of classification.
b. Explain the nutrition in fungi.
c. Which living organisms are included in the kingdom monera?
Q8. Answer in brief: (3 marks)
Use Whittaker method to classify bacteria, protozoa, fungi, algae, prokaryotic and eukaryotic microbes.