Download App

Tissues — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceTissues2 Marks
Question

What will happen if bone marrow is destroyed.

✓

Answer

Bone marrow is responsible for the production of blood cells in the body. If bone marrow is destroyed, the formation of white blood cells, red blood corpuscles and platelets will stop.

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 2 Mark )" from Tissues→Tissues — all question types→Science STD 9 question papers→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

What is the physical state of water at -
$0^{\circ} C$
→

Enumerate four main types of animal tissues.

→

What is Ozone hole?

→
What is meant by a solution? Give two examples of solutions.
→
The head of a pin is flat and thick whereas its tip is fine and thin. Explain why? Write a formula that support your answer.
→

Mention three effects of excessive irrigation

→

Define:

Quality

→
If the time taken to bring a ball to rest from a certain velocity v is reduced to half, then what will be the changes in the values.
Change of momentum?
→
When water is cooled to a temperature x, it gets converted into ice at temperature x by a process called P. And when ice at temperature x is warmed, it gets reconverted into water at the same temperature x in a process called Q.
  1. What is the value of temperature x in Kelvin?
  2. What is the process P known as?
  3. What is the name of energy released during process P?
  4. What is the process Q known as?
  5. What is the name of energy absorbed during process Q?
→
Hydrogen has three isotopes written as:

$^1_1\text{H},\ ^2_1\text{H},\ ^3_1\text{H}$

Explain why:

  1. These isotopes have almost identical chemical properties.
  2. They are electrically neutral.
→