Download App

The Fundamental Unit of Life — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life4 Marks
Question
What are diploid and haploid number?
✓

Answer

Diploid number means a set of paired chromosomes of each kind whereas haploid means a set of unpaired chromosomes of each kind.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Que-Ans (Each of 4 Mark )" from The Fundamental Unit of Life→The Fundamental Unit of Life — all question types→Science STD 9 question papers→Rajasthan Board STD 9 question papers→Rajasthan Board question paper generator→

Similar questions

Which has more atoms, $50g$ of aluminium or $50g$ of iron$?$ Illustrate your answer with the help of calculations.
$($Atomic masses: $Al = 27u; Fe = 56u)$
→
How will you determine the melting point of ice experimentally with the help of a neat and labelled diagram?
→
Differentiate between sclerenchyma and parenchyma tissue. Draw well labelled diagram.
→
Distinguish between longitudinal and transverse waves.
→
Name the following compounds. Also write the symbols/ formulae of the ions present in them:
  1. $CuSO_4$
  2. $(NH_4)_2SO_4$
  3. $Na_2O$
  4. $Na_2CO_3$
  5. $CaCl_2$
→
What should be do to get maximum benefit from a crop field?
→
How will you separate a mixture of mercury, oil and water?
→
When extremely small particles X derived from the another of a flower were suspended in a liquid Y and observed through a microscope, it was found that the particles X were moving throughout the liquid Y in a very zig zag way. It was also observed that warmer the liquid Y, faster the particles X moved in its surface.
  1. What could particles X be?
  2. What do you think liquid Y is?
  3. What is the zig-zag movement of particles X?
  4. What is causing the zig-zag movement of particles X?
  5. Name the scientist who discovered this phenomenon.
  6. What does this experiment tell us about the nature of liquid Y?
→
Draw a neat labelled diagram of an animal cell.
→
A train travels the first 15km at a uniform speed of 30 km/h; the next 75km at a uniform speed of 50km/h; and the last 10km at a uniform speed of 20km/h.
Calculate the average speed for the entire train journey.
→