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Science VII A, B, C (S-II)

1.     Draw a labeled diagram of the digestive system of Ruminant.

2.     Draw a labeled diagram for nutrition in amoeba.

3.     Draw a diagram of tongue and label the regions of salt, sour, sweet and bitter.

4.     Fill up the blanks :

(i)                The appropriate length of small intestine is ……………….

(ii)             The full form of ORS is ………………………

(iii)           The simplest form of carbohydrate is …………………….

(iv)           The main component of animal food is …………………

(v)              Amoeba digests its food in the …………………..

(vi)           ————- are the food factories of plants.

(vii)         The part of the plant that gets carbon dioxide from the air for photosynthesis is ………..

5.     Explain the structure of a cell with a labeled diagram.

6.     Explain the mechanism of catching insects by the pitcher plant.

7.     ‘Life is impossible on earth without photosynthesis’ – Explain.

8.     List the 4 main requirements of photosynthesis.

9.     How do some fungi are useful and how some others are harmful?

10.   Write one similarity and one difference between the nutrition in amoeba and human being.

 

PROJECTS ( Choose any one)

1.     A project report on teeth types, their functions and ways and need to maintain healthy teeth.

2.     Prepare a model for Human digestive system with a brief explanation of each of its parts,

3.     Conduct an experiment to demonstrate that bread mold spores are present everywhere and make a report.

4.     Prepare an article on the topic ‘ Nutrition in Plants’ and collect pictures and specimens related to it.

Date of Submission: 24 – 06 – 2013


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