Please select a subject first
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Distinguish between butterfly and bat with the help of four distinguishing properties.
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To which phylum does Cockroach belong? Justify your answer with scientific reasons.
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Sketch, label and classify hydra.
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a) Explain in brief - Lamarck’s principle of ‘use or disuse of organs’.
b) Give two examples.
c) What are ‘acquired characters’?
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Prepare a slogan for campaign against female foeticide.
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Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
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Mention pollination types.
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Draw a diagram of the longitudinal section of a flower and label the following parts.
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What is meant by pollination?
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Observe the following diagram. Write the answers of the following questions.

- To which phylum does the animal included in the diagram belong?
- What is the exoskeleton made up?
- What is the symmetry?
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Find the odd one out:
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Pollen grains are formed by _________ division in locules of anthers.
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__________ is present in unisexual flower.
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Find an odd one out.
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Find an odd one out.
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Find an odd one out.
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Theory of evolution : Darwin : : ____________ : Lamarck
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Calyx : Sepals : : Corolla : ________________
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Bisexual : Hibiscus : : Unisexual : ___________
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Accessory whorls : Calyx and corolla : : essential whorls : ______________
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