What does the autotrophic mode of nutrition require?
The mode of nutrition in which the organisms prepare their own food is called autotrophic mode of nutrition. The materials... View Article
Latest Posts
The additive inverse of -6/-15
(-6/-15)= 6/15 the additive inverse is -6/15
Which bacteria in the soil can convert atmospheric nitrogen into soluble compound ?
The bacteria in the soil that can convert atmospheric nitrogen into a soluble compound is rhizobium bacteria. It is present... View Article
What is molecular mass and how to find molecular mass
The total sum of the masses of the atoms or elements present in the molecule is termed as molecular mass.... View Article
What is a neuron
Neuron is the structural and functional unit of the nervous system. Cell body, dendrites, and axons are the components of... View Article
What is the physical state of Water at 0 degree celsius?
At 0°C, water exists in the solid-state. Water We know that water exists in all three states of matter that... View Article
Define ploughing
Ploughing is the process of loosening and digging of soil using a plough. This helps in proper aeration of the... View Article
5 ways in which we can prevent the wastage of food.
Answer: Wasting food is morally wrong when there are countless other people who are on the brink of death due... View Article
What is saprophytic mode of nutrition?
Saprophytic: The mode of nutrition in which organisms feed on dead and decaying matter. Example fungi. In saprotrophic mode of... View Article
Write the balanced equation for the hydrogen + chlorine -> Hydrogen Chloride.
Answer: Balancing chemical equation refers to balancing the stoichiometric coefficients on the reactants and products side. This must be done... View Article
State whether speed isa scalar or a vector quantity .give reason for your choice
Speed is a scalar quantity. The speed is dependent only on the magnitude not on the direction. In the case... View Article
Write a short note on nephrons
Nephrons glomerulus and tubules through which glomerular filtrate passes. These are small tube-like projections inside kidneys. Through nephron, blood is... View Article
2Br- +H2O2 +2H+ ———>Br2 +2H20 Rate =k (H202) (H+) (Br-) What is the effect on rate constant on increasing bromide ions?
2Br- +H2O2 +2H+ ———>Br2 +2H20 Rate =k(H2O2)(H+)(Br-) The rate constant is directly proportional to the concentration of bromide ions [Br]... View Article
What is the physical state of water at 500 degree celsius
The physical state of water at 5o0 degrees Celsius ( 500 ºC) is a gaseous state. As we know that... View Article
State the energy change in a petrol engine of a running car
The energy change in a petrol engine of a running car is from chemical energy to heat energy. There are... View Article
what is sowing?
The process of planting seeds is called sowing. The seeds should be sown at appropriate depth because seeds sown superficially... View Article
How does an electric generator work?
The electric motor, generator, and transformers all work on the principle of electromagnetic induction. The electric motor converts electrical energy... View Article
Use Euclid’s division lemma to show that the cube of any positive integer is of the form 9m,9m+1or9m+8.
Let us consider two positive numbers a and b where b= 3 We know that According to Euclid’s Division Lemma... View Article
Define focal length.
The distance between the convex lens or a concave mirror and the focal point of a lens or mirror is... View Article
Define nutrition. List the 5 steps involved in it
The process in which food id consumed by the organisms and the nutrients are absorbed by the body and used... View Article
