PART - 1 - Unit II : CH - 5 Morphology of Flowering Plants — BIOLOGY STD 11 Science — Question

All chordates possess:

1. Exoskeleton.
2. Limbs.
3. Skull.
4. Axial skeletal rod of notochord.

What is meant by triploblastic and diploblastic? Give one example from both the groups.

Differentiate between RBCs and WBCs.

Write any four functions of hypothalamus.

Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.

How does cytokinesis in plant cells differ from that in animal cells?

How are sclereids different from sclerenchyma fibres?

Gibberellins were first discovered in Japan when rice plants were suffering from bakane (the foolish seedling disease) caused by a fungus Gibberella fujikuroi.

1. Give two functions of this phytohormone.
2. Which property of Gibberellin caused foolish seedling disease in rice?

What are gums made of? Is Fevicol different?

Earthworms are bisexual, still the self-fertilisation is not possible in them. Explain.