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

The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:

Triple fusion involves ______.

Type of sexual reproduction is ______.

Example of phylum Arthropoda is ______.

Which of the following is the first example of class Homo sapiens?

Sketch, label and classify an octopus.

My body is soft and slimy, hence I am referred as ____________.

Which of the following animals has a hard calcareous shell?

Arthropoda : Largest phylum : : Mollusca : ______________

In which class, animals have soft legs?

Complete the following paragraph with the words given in brackets.

(Cro-Magnon, brain, fire, agriculture, Cultural, homo-sapiens, wise man)
Evolution of upright man continued in the direction of developing its ________ for the period of about 1 lakh years and meanwhile it discovered the __________. Brain of a 50 thousand year old man had been sufficiently evolved to the extent that it could be considered as a member of the class _______. Neanderthal man can be considered as the first example of _______. The _______ man evolved about 50 thousand years ago and afterwards, this evolution had been faster than the earlier. About 10 thousand years ago, wise-man started to practice the _______. It started to rear the cattle-herds and established the cities. _______ development took place.

Identify me.

My body is radially symmetrical. Water vascular system is present in my body. I am referred as fish though I am not. What is my name?

Write four distinguishing characters of phylum - Echinodermata.

Which of the following animals can regenerate it’s broken body part?

Sketch, label and classify star fish.

Identify the class of the animal shown in the figure and write any two characteristics.

Find an odd one out.

Locomotion of starfish takes place through pseudopodia.

What are the locomotory organs of the animal given in the picture?

Name the phylum in which earthworm and starfish belongs to.