Class IX

Popular Post

Diversity in Living Organisms class 9 solved Questions for CBSE exam

Image
Trend Setter Questions with Solutions : Diversity in Living Organisms  more than 150 solved Questions  One Mark Questions: 1) What is biological classification ? Ans: Grouping of organisms based on similarities & dissimilarities is called biological classification. 2) What is Taxonomy ? Ans: The systematic study of identification classification and naming of oraganisms is called taxonomy. 3) Who made 1st attempt for scientific basis of classification ? Ans : Aristotle. 4) On what morphological criteria Aristotle classified the plants ? Ans : Based on the morphological nature of the stem. 5) Based on the nature of the steam name the types of plants classified by Aristotle. Ans: Herbs, Shrubs & Trees. 6) Name the 2 kingdoms of classification ? Ans: (1) Plantae & Metaphyta (2) Animatia Metazoa 7) What are prokaryotas ? Ans: The organisms which do not have well organized nucleus in their cell are called prokaryotes. OR Organisms co...
Read more

VI (6th) Fun with Magnets MCQ’s

Image
CBSE - Class 6 - Science Chapter :Fun with  Magnets Multiple choice Questions (1) When a magnet is suspended freely it always aligns itself in --------  direction? a) North        b) N-S          c) N-W         d) N-E (2) ---------- is the only natural magnet. a) Magnetite         b) Ebonite      c) Cobalt      d) Nickel (3) Which of the following cannot be used to make a magnet? a) Cobalt              b) Iron                      c) Ebonite     d) Steel (4) Which of the following is not a non-magnetic substance? a) Glass    ...
Read more

Class9 Biology chapter Cell the Fundamental unit of life :Assignment solved

Image
1. What is plasma membrane? What are their functions? Ans: Plasma membrane also called as cell membrane, is the outer covering of a cell that separates the cell contents (protoplasm) from the surrounding medium. It is made up of proteins and lipids. It gives form (shape and size) to the cell It maintains the individuality of the cell (i.e. seperates cells) It keeps the cell contents in place 2. What are cell organelles ? Ans: The certain specific living parts of a cell with a definite function are celled Cell organelles. All cell are found to have same organelles and together these constitute to the basic unit of life. 3. What is cellulose and its functions? Ans: Cellulose is the main component of a plant cell wall. It is responsible for giving structural shape to the cell and also to protect the protoplasm. 4.  What is a Prokaryotic cell? Give an Example. Ans: The cells that do not hav...
Read more

10th Sample Paper SA2 issued by CBSE (for 2015)

Image
10th SSt. SA2  Sample Paper  issued by CBSE 2015                           Download File X Maths Sample Paper SA2 issued by CBSE (for 2015)                  Download File X Science SA2 Sample Paper issued by CBSE 2015)                         Download File X English Com  Sample Paper  SA2 by CBSE 2015                              Download File X English Language _  Literature  Sample Paper 2015                      Download File Solved papers for CBSE Board Exam                                             ...
Read more

8th Class Cell structure and function solved questions(Biology)

Image
Q  Name the cells having branches structure. Ans Nerve Cell. Q Why cells could not be observed before seventeenth century? Ans Cells could not be observed before seventeenth century because till that time microscope was not invented. Q Why plant cell have cell wall? Ans Plant cells need protection against variations in temperature, high wind speed, atmospheric moisture, etc. They are exposed to these variations because they cannot move. That's why they have cell wall. Q Which organism has the smallest cell? Ans  Mycoplasmas, a bacteria has the smallest cell of the size of 0.1 micron i.e. ten thousandth part of a mill metre. ' Q  Which is the largest cell visible by unaided eye? Ans Ostrich egg has the largest visible cell by unaided eye. Q Name the four elements, which fonn major part of protoplasm. Ans These are carbon, hydrogen, oxygen and nitrogen. Q Give two examples of prokaryotes. Ans Bacteria and blue green algae. Q  Name the la...
Read more