Some model questions are given here for self evaluation. These are selected from the lessons such as, Life’s Mysteries in Little Chambers, Cell Clusters, Let’s Regain our Fields. Try to answer the questions by yourselves. Then click on the link, ‘Answers’, provided below to know the answers. Compare and rate your answers.
Questions
Score 20 Time : 40 Minutes
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Questions 1-3. Answer any five only 1 score each. (3×1 =3)
1. Find the missing item in the second pair on the basis of the relationship between the items in the first pair.
Jersey: Cow:: Boer: _____
2. Select the correct answer from the
alternatives. Which is the plant tissue that gives flexibility and support to plant parts?
A - Collenchyma; B- Sclerenchyma
C- Phloem; D- Parenchyma
3. Find the odd one in the group write the common feature of the others.
Bacteria, Mycoplasma, Amoeba, Cyanobacteria
Questions 4-8: Answer any 4 only. 2 scores each. (4x2-8)
4. What are stem cells? What are their peculiarities?
5. Observe the figure and answer the questions.
b) What is its function?
6. Classify the following statements appropriately.
a) The soil is covered using polythene sheet.
b) The sides are covered with net.
c) The temperature and moisture are constantly regulated.
d) The quantity of nutrients in the soil is tested using modern technology.
7. Given below in the box are names of some scientists who have made notable contributions to taxonomy. Associate each of them to the right statement given after the box.
Aristotle, Theophrastus, Charakan, John Ray, Carl Linnaeus
a) The Father of Botany.
b) Used the term ‘Species’ for the first time.
c) The Father of Biology.
d) Proposed binominal nomenclature.
8. Name the organelles found in animal cells only, and write their functions.
Questions 9-11: Answer any 2 only. 2 scores each. (4x2-8)
9. Rearrange the items in columns B and C, so that they match with those in column A.
10. Observe the figure and answer the questions.
a) Identify the vascular tissue shown in the figure.
b) What are the functions of this tissue?
11. Observe the illustration and answer the questions.
a) What is a microbial fertiliser?
b) What is the function of microbial
fertilisers?
c) Fill in ‘A’ and ‘B’ in the illustration.
12. Copy the given diagram.
Identify the parts mentioned below and name them and label them in your diagram.
a) The part that has a major role in the synthesis of ribosomes.
b) The part that carries genes.
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