SSC (English Medium) 10th Standard - Maharashtra State Board Question Bank Solutions for Science and Technology 2

Explain Lamarck’s Principle.

Observe the picture and answer the following questions.

1. The given picture indicates which principle?
2. Explain that principle in your language.
3. What is the meaning of acquired characteristics?

Give a scientific reason.

Why is earthworm called farmer's friend?

Observe the following figure and explain the concept.

Match the following:

What is pollination?

State the name of the functional unit concerned with sexual reproduction.

Name the part made up of the stigma, style and ovary.

Name the swollen lower part of the carpel.

Name the male part of the flower.

Where are the pollen grains produced?

Fill in the following blank with suitable word :

The female organ of reproduction in the flower is the...........

Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize

Read the following statement and justify the same in your own words with the help of a suitable example.

Geographical and reproductive isolation of organisms gradually leads to speciation.

Identify the odd. Stigma, Style, Pollen, Ovary.

Sketch the labelled diagram.

Flower with its sexual reproductive organs.

Explain sexual reproduction in plants. 

Distinguish between butterfly and bat with the help of four distinguishing properties.

To which phylum does Cockroach belong? Justify your answer with scientific reasons.

Sketch, label and classify hydra.