Download App

The Fundamental Unit of Life — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life4 Marks
Question
Define the following terms:
  1. Cell inclusions.
  2. Cytosol.
  3. Protoplasm.
  4. Nucleoplasm.
✓

Answer

  1. Cell Inclusions: Cell inclusions are non-living materials present in the cytoplasm.
  2. Cytosol: It is the soluble part of cytoplasm and is located between cell organelles.
  3. Protoplasm: Nucleus and cytoplasm together are called protoplasm.
  4. Nucleoplasm: It is the liquid ground substance present in the nucleus.

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

Give reasons for:
Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.
→
Describe with a diagram the fluid mosaic organisation of the plasma membrane.
→
State the two important laws of chemical combination. How Dalton’s atomic theory explains the two Laws?
→
An atom of element $E$ contains $3$ protons, $3$ electrons and $4$ neutrons:
  1. What is its atomic number?
  2. What is its mass number?
  3. Write the electronic configuration of the element $E.$
  4. State whether element $E$ is a metal or non-metal. Why?
  5. What type of ion, cation or anion, will be formed by an atom of element E? Why?
  6. Write the symbol of the ion formed by an atom of element $E.$
  7. What could element $X$ be?
→
How would you prepare a saturated solution of sodium chloride in water at 25°C? What will happen if this solution is cooled to 10°C?
→
Describe the process to show that the dye used in blue/black ink is a mixture of two or more components with diagram.
→
What is kidnapped, blindfolded and imprisoned in a big room. How could the man tell if he was in: (a) a city (b) a village (c) a bare room (d) a furnished room.
→
How does sound from a sound producing body travel through air to reach our ears? Illustrate your answer with the help of a labelled diagram.
→
Give the formulate of the compounds formed from the following sets of elements:
  1. Calcium and fluorine.
  2. Hydrogen and sulphur.
  3. Nitrogen and hydrogen.
  4. Carbon and chlorine.
  5. Sodium and oxygen.
  6. Carbon and oxygen.
→
A liquid compound X of molecular mass 18u can be obtained from a number of natural sources. All the animals and plants need liquid X for their survival. When an electric current is passed through 200 grams of pure liquid X under suitable conditions, then 178 grams of gas Y and 22 grams of gas Z are produced. Gas Y is produced at the positive electrode whereas gas Z is obtained at the negative electrode. Moreover, gas Y supports combustion whereas gas Z burns itself causing explosions.
  1. Name (i) liquid X (ii) gas Y, and (iii) gas Z
  2. What is the ratio to the mass of element Z to the mass of element Y in the liquid X?
  3. Which law of chemical combination is illustrated by this example?
  4. Name two sources of liquid X.
  5. Gate an important use of Y in our life.
→