Anaerobic process
(A) takes place in yeast during fermentation
(B) takes place in the presence of oxygen
(C) produces only energy in the muscles of human beings
(D)produces ethanol, oxygen and energy.

Oxidation of food that takes place in the presence of oxygen is called

Anaerobic respiration takes place in our bones when there is a shortage of oxygen.

Write the chemical equation of the reaction which takes place on burning ethanol in oxygen.

Light reaction takes place in the (A) chloroplast envelope (B) grana (C) stroma (D) cytoplasm

Meiosis takes place in A. gemmule B. megaspore C. meiocyte D. conidia

(a) What is mechanical energy ? (b) What kind of energy changes take place in the bodies of living beings, so as to produce mechanical energy.

Taking foce, length and time to be the fundamental quantities find the dimension of a. density, b. pressure, c. momentum and d. energy

In the hydrogen atom spectrum, the least energetic photon takes place during the transition from n = 6 energy level to n = ……… energy level.

Name the waves (a) of lowest wavelength, (b) used for taking photographs in dark, (c) produced by changes in the nucleus of an atom, (d) of wavelength nearly 0-1 nm.

A reversible heat engine carries 1 mole of an ideal monatomic gas around the cycle 1-2-3-1. Process 1-2 takes place at constant volume, process 2-3 is adiabatic, and process 3-1 takes place at constant pressure. Complete the values for the heat Delta Q , the change in internal energy Delta U , and the work done Delta , for each of the three processes and for the cycle as a whole.