Growth in living organisms occurs by
- Adivision of cells.
- Bincrease in biomass.
- Caccumulation of material by external agency.
- Dboth $(a)$ and $(b)$.
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Similar Questions
Which of the following is a characteristic of a prokaryotic cell?
Match List-$I$ with List-$II$ and select the correct answer using the codes given below:
List-$I$ List-$II$ $(1)$ Heavy water $(a)$ Bicarbonates of $Ca$ and $Mg$ in water $(2)$ Temporary hard water $(b)$ No foreign ions in water $(3)$ Soft water $(c)$ $D_2O$ $(4)$ Permanent hard water $(d)$ Sulphates and chlorides of $Ca$ and $Mg$ in water
| List-$I$ | List-$II$ |
|---|---|
| $(1)$ Heavy water | $(a)$ Bicarbonates of $Ca$ and $Mg$ in water |
| $(2)$ Temporary hard water | $(b)$ No foreign ions in water |
| $(3)$ Soft water | $(c)$ $D_2O$ |
| $(4)$ Permanent hard water | $(d)$ Sulphates and chlorides of $Ca$ and $Mg$ in water |
Which of the following statements is correct for any thermodynamic system?
A company manufactures two types of screws $A$ and $B.$ All the screws have to pass through a threading machine and a slotting machine. A box of Type $A$ screws requires $2\, minutes$ on the threading machine and $3\, minutes$ on the slotting machine. A box of type $B$ screws requires $8\, minutes$ of threading on the threading machine and $2\, minutes$ on the slotting machine. In a week, each machine is available for $60\, hours.$ On selling these screws, the company gets a profit of $Rs.\, 100$ per box on type $A$ screws and $Rs.\, 170$ per box on type $B$ screws. Formulate this problem as a $LPP$ given that the objective is to maximise profit.
A company manufactures two types of screws $A$ and $B.$ All the screws have to pass through a threading machine and a slotting machine. A box of Type $A$ screws requires $2\, minutes$ on the threading machine and $3\, minutes$ on the slotting machine. A box of type $B$ screws requires $8\, minutes$ of threading on the threading machine and $2\, minutes$ on the slotting machine. In a week, each machine is available for $60\, hours.$ On selling these screws, the company gets a profit of $Rs.\, 100$ per box on type $A$ screws and $Rs.\, 170$ per box on type $B$ screws. Formulate this problem as a $LPP$ given that the objective is to maximise profit.
The centre of mass of three particles of masses $1 ~kg, 2 ~kg$ and $3 ~kg$ is at $(2,2,2)$. The position of the fourth mass of $4 ~kg$ to be placed in the system so that the new centre of mass is at $(0,0,0)$ is:
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