(i) Annelid
(ii) Segmented body, Bilaterally symmetrical.
(iii) Helping, caring.
Question
Rajkumar was playing cricket in the ground with his friends. One of his friends who was standing near the boundary felt something climbing upon his feet. Subsequently he started crying in pain. Rajkumar being class nine student identified the climbing creature as leech and helped removing the leech. (๐) Name the phylum to which leech belongs. (๐๐) Write two identifying features of the phylum. (๐๐๐) Enlist two values shown by Rajkumar.
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๐ก Some Related Questions
During a field-trip, some students visited an agricultural farm and saw a few birds eating earthworms. They enjoyed the scene and then they also started picking and killing the earthworms for pleasure. The farmer strongly objected and asked them to leave the field. (๐) What could be the reason behind such a behaviour of the farmer? (๐๐) What values do you find missing in the student’s behaviour? (๐๐๐) Write two identifying features of earthworm.
Open Answer ยปRaman lives in a coastal village. He is the son of a fisherman. Whenever any unwanted animal comes in the net, instead of killing it, he puts it back in the sea. Answer the following questions based on above information: (๐) What would have happened, had he killed those animals? (๐๐) Give one reason to justify that Raman’s action is environment friendly. (๐๐๐) How can you contribute in the preservation of flora and fauna around you? Mention any two steps.
Open Answer ยปTwo groups of biology students were doing field work of taxonomy in a compost heap. Group A noticed an organism. They noted down its characteristics and made a dichotomous key. Group B noticed another organism. But they instead of noting down the characteristics, photographed the organism. Answer the following questions based on the above situation: (๐) Which desired values are reflected in the approach used by Group A but ignored by Group B? (๐๐) In what way is the observation by Group B different from Group A? (๐๐๐) Which group would you like to be in and why?
Open Answer ยปMatch items of column (A) with items of column (B).
| Column A (a) Naked seed (b) Covered seed (c) Flagella (d) Marchantia (e) Marsilea (f) Cladophora (g) Penicillium | Column B (A) Angiosperms (B) Gymnosperms (C) Bryophytes (D) Euglena (E) Thallophyta (F) Pteridophyta (G) Fungi |
Match items of column (A) with items of column (B).
| Column A (a) Pore bearing animals (b) Diploblastic (c) Metameric segmentation (d) Jointed legs (e) Soft bodied animals (f) Spiny skinned animals | Column B (A) Arthropoda (B) Coelenterata (C) Porifera (D) Echinodermata (E) Mollusca (F) Annelida |