I. Conductance of electrolyte solution increases with temperature.
II. Resistivity is reciprocal of molar conductivity of electrolyte.
III. Cell constant has unit $c{m}^{-1}$.

Which of the above statements are correct?

Q. Given below are two statements :
Statements I : The limiting molar conductivity of $KCl$ ( strong electrolyte ) is higher compared to that of $C{H}_{3}COOH$ (weak electrolyte) .

Statements II : Molar conductivity decreases with decrease in concentration of electrolyte
In the light of the above statements, choose the most appropriate answer from the options given below :

Q. Study the following statements and choose the correct option.
(i) Sulphur is present in two amino acids - cysteine and valine
(ii) Lower level of N, K, S, and Mo causes inhibition of cell division
(iii) Microbe that produces nitrogen fixing in the roots of non-leguminous plant Alnus is Frankia
(iv) Denitrification is carried by bacteria Nitrosomonas and Nitrobacter.

Q. Which of the following statement(s) is/are correct for a weak electrolytic solution?
${\Lambda }_m$ - Molar conductivity
${\Lambda }_m^0$ - Limiting molar conductivity
$C$ - concentration of electrolyte

Q. Read the statements regarding muscle proteins and identify the correct statements
i. Actin is a thin filament and is made up of two F-actins
ii. Complex protein, tropomyosin is distributed at regular intervals on the troponin
iii. Myosin is a thick filament which is also a polymerized protein
iv. Globular head of meromyosin consists of light meromyosin (LMN)

Q. The following are some statements about periodic properties.
i) Atomic size decreases from left to right in a period.
ii) The EA of $2^{nd}$ group elements in VA, VIA and VIIA are greater than the first element.
iii) Acidic nature of oxides decreases and basic nature of oxides of elements increased down the group.
iv) Atomic size increases from left to right in a period.