Complete the following table.
| u (m/s) | a(m/s2) | s(m) | v2 = u2 + 2 as (m/s)2 |
| 4 | 3 | ____ | 8 |
| ____ | 5 | 8.4 | 10 |
Concept: Motion and Rest
Give scientific reason.
Even though the magnitudes of action force and reaction force are equal and their directions are opposite, their effects do not get cancelled.
Concept: Motion and Rest
Write answer to the following question and explain your answer.
Explain how the element sodium is monovalent.
Concept: Laws of Chemical Combination
Distinguish between Weather and climate.
Concept: Weather and Climate
Write note.
Climatic factors
Concept: Weather and Climate
Complete the statement using the given options and justify the statement.
Of the abiotic factors that affect biodiversity by far the most important is ______.
Concept: Weather and Climate
Complete the statement using the given options and justify the statements.
A description of the climatic conditions of short duration in a particular area is ______.
Concept: Weather and Climate
Complete the statement using the given options and justify the statement.
Irrespective of the progress of human beings, we have to think about ______.
Concept: Weather and Climate
Complete the statement using the given options and justify the statement.
Establishments where various climatic factors are recorded are called ______.
Concept: Weather and Climate
Which technical difficulties did you face while using the computer? What did you do to overcome them?
Concept: Information Communication Technology
Using a spreadsheet, draw graphs between distance and time, using the information about the movements of Amar, Akbar and Anthony given in the table on page 4 , in the lesson on Laws of Motion. What precautions will you take while drawing the graph?
Concept: Information Communication Technology
Define the term tissue and explain the concept of tissue culture.
Concept: Tissues - “The Teams of Workers”
Write short note.
Xylem
Concept: Tissues - “The Teams of Workers”
Complete the tree diagram below based on types of hereditary disorders.
Concept: Inheritance
Answer the following question in your own word.
Describe the structure of the DNA molecule.
Concept: Inheritance
Answer the following question in your own word.
Express your opinion about the use of DNA fingerprinting.
Concept: Inheritance
Answer the following question in your own word.
Explain the structure, function and types of RNA.
Concept: Inheritance
Answer the following question in your own word.
Why is it necessary for people to have their blood examined before marriage?
Concept: Inheritance
Complete the following sentence by choosing the appropriate word from the bracket.
(Inheritance, sexual reproduction, asexual reproduction, chromosomes, DNA, RNA, gene)
Organisms produced by ............ show minor variations.
Concept: Inheritance
Complete the following sentence by choosing the appropriate word from the bracket.
(Inheritance, sexual reproduction, asexual reproduction, chromosomes, DNA, RNA, gene)
Organisms produced through ............ show major variations.
Concept: Inheritance
