Related Questions

By which process substance like carbon dioxide or oxygen can move across the cell membrane?
ক Plasmolysis
খ Sedimentation
গ Diffusion
ঘ Transpiration
Plants are efficient at acquiring carbon than are fungi , in the form of carbon dioxide, and converting it to sugars.
ক at
খ on
গ more
ঘ energy
Choose the correct option to replace the quotation part of each sentence. 'Plants are more efficient at acquiring carbon than are fungi', in the form of carbon dioxide, and converting it to energy-rich sugars.
ক Plants are more efficient at acquiring carbon than are fungo
খ Plants are more efficient at acquiring carbon than fungi
গ Plants are more efficient than fungi at acquiring carbon
ঘ Plants, more efficient than fungi at acquiring carbon
Carbon and oxyzen-carbon dioxide. The missing word is:
ক compose
খ composed of
গ are compose
ঘ is compose
One kg of carbon produces ________ kg of carbon dioxide.
ক $$\frac{3}{7}$$
খ $$\frac{{11}}{7}$$
গ $$\frac{{11}}{3}$$
ঘ $$\frac{4}{{11}}$$
One kg of carbon produces __________ kg of carbon dioxide.
ক $$\frac{3}{7}$$
খ $$\frac{7}{3}$$
গ $$\frac{{11}}{3}$$
ঘ $$\frac{3}{{11}}$$
The correct relation between theoretical oxygen demand (TOD), Biochemical oxygen demand (BOD) and Chemical oxygen demand (COD) is given by
ক TOD > BOD > COD
খ TOD > COD > BOD
গ BOD > COD > TOD
ঘ COD > BOD > TOD
During respiration, gaseous exchange occurs in-
ক Alveoli
খ Respiratory bronchiole
গ Terminal bronchiole
ঘ Alveolar duct
In a cell process of respiration takes place in
ক Mitochondria
খ Plastids
গ Ribosomes
ঘ Lysosomes
Select the pair that expresses a relationship similar to that expressed in the original pair : Oxygen : Respiration
ক Improvement : Care
খ Photography : Camera
গ Sunlight : Photosynthesis
ঘ Hydrogen : Digestion

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