Please select a subject first
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Give scientific reason.
Earthworm is said to be a farmer’s friend.
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In which phylum, the animals have setae or parapodia for locomotion?
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What are objections raised against Darwin's theory?
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Give a scientific reason.
Why is earthworm called farmer's friend?
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Who proposed the theory of survival of the fittest?
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Nature has a way of causing organisms that inherit advantageous traits to survive and reproduce more successfully than the ones that do not. This process is known as ______.
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Match the following:
| Column A | Column B |
| (i) Stigma | (a) Neuron |
| (ii) Pepsin | (b) Carpel |
| (iii) Dendrites | (c) Protein |
| (d) Stamen |
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What is pollination?
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State the name of the functional unit concerned with sexual reproduction.
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Name the part made up of the stigma, style and ovary.
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Name the swollen lower part of the carpel.
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Name the male part of the flower.
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Where are the pollen grains produced?
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Fill in the following blank with suitable word :
The female organ of reproduction in the flower is the...........
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Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
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Write a short note based on the information known to you.
Lamarckism
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Survival of fittest : Darwin : : Acquired characters : ..............................
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Identify the odd. Stigma, Style, Pollen, Ovary.
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Sketch the labelled diagram.
Flower with its sexual reproductive organs.
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Explain sexual reproduction in plants.
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