Primitive organisms are those which have ancient body design and have not changed very much with the passage of time.
Question
Which organisms are called primitive?
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Rohit and his mother were walking in the garden. Rohit saw mushrooms growing on decaying leaves. He tried to uproot them. He was stopped by his mother. (𝒊) Where do you use mushrooms in daily life? (𝒊𝒊) Write the mode of nutrition exhibited by the mushrooms. (𝒊𝒊𝒊) Why did Rohit’s mother stop him?
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Open Answer »Match 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 |