SSC (English Medium) 10th Standard - Maharashtra State Board Important Questions

Which of the following animals has a hard calcareous shell?

Tapeworm : Phylum Platyhelminthes : : Intestinal worms : _____________

Petromyzon is an endoparasite.

Draw a neat and labelled diagram.

Liver Fluke

Answer the questions based on the given paragraph.

Lady Bug Beetle

            Lady bug beetles are friends of farmers as they destroy harmful insects. It is a predatory insect, which lives on biting worm, white fly worm, white moth, flower insects and bread worms. It acts as a natural insecticide for crops like maize, jawar, cotton, sugarcane, cereals, vegetables, fruit trees, etc. These are attractive red or yellow or grey coloured insects. Many species of this insect are found in our farms. The lifecycle of this insect follows eggs, larvae, cocoon and moth stages. The eggs are found in flutter. The larvae are grey in colour. Larvae and adults both live on sucking insects.

1. How does the lady bug beetle live?
2. Of which colour the lady bug beetles are?
3. State the stages of its lifecycle.
4. How does it help the farmers?

Give a scientific reason.

Cockroach belongs to phylum Arthropoda.

Complete the paragraph using proper words:

(Asymmetrical, Paramecium, Equal, imaginary, central, insects, rats, bird, three, unequal)

If body of any animal is cut through ______ axis of body, it may or may not produce two equal halves. Depending upon this property, there are different types of animal bodies. In the case of ______ body, there is no any such imaginary axis of the body through which we can get two equal halves. For example Amoeba, ______ some sponges. In radial symmetry type of body, if imaginary cut passes through central axis but any plane of body, it gives two ______ halves. For example Starfish. In case of this animal, there are five different planes passing through ______ axis of body through which we can get two equal halves. In Bilateral symmetry type of body, there is only one such imaginary axis of body through which we can get two equal halves. For example: ______ fishes, frog, birds, human, etc.

Write the correct co-relation.

Butterfly : Arthropoda : : Earthworm : ______.

Explain the following concept in short:

Asymmetrical body

Explain the following concept in short:

Bilaterally symmetrical body

Sponges have special cells present on their body, they are known as ______ cells.

Name the asexual reproductive structures of Sponges.

Animal with bilateral symmetry in ______.

Cockroach, Frog, Sparrow, Starfish, from these animals which can regenerate its broken body part?

Example of phylum Arthropoda is ______.

Read the statements and answer accordingly:

Calcareous spines are present on the body. Tube feet are used for locomotion and capturing prey also.

- Identify the phylum and give one example.

i. Which therapy is shown in the picture?
ii. Which will be possible benefits of this therapy in organ transplantation?

“Biotechnology is not only beneficial but it has some harmful effects too.” Express your opinion about this statement.

What are stem cells?

A) Which process is shown in the above figure?
B) Describe in brief the steps- I , II , III & IV.