Which of the following is not an autoimmune disease?

Among the following sets of examples for divergent evolution, select the incorrect option :

Conversion of milk to curd improves its nutritional value by increasing the amount of

The similarity of bone structure in the forelimbs of many vertebrates is an example of

Which of the following characteristics represent ‘Inheritance of blood groups’ in humans?
a. Dominance
b. Co-dominance
c. Multiple allele
d. Incomplete dominance
e. Polygenic inheritance

The volume (V) of a monatomic gas varies with its temperature (T), as shown in the graph. The ratio of work done by the gas, to the heat absorbed by it, when it undergoes a change from state A to state B, is

The fundamental frequency in an open organ pipe is equal to the third harmonic of a closed organ pipe. If the length of the closed organ pipe is 20 cm, the length of the open organ pipe is

At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earths atmosphere?
(Given : Mass of oxygen molecule (m) = 2.76 × 10^{-26}kg
Boltzmanns constant $k_{B} = 1.38 × 10^{-23} JK^{-1})$

The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is

A carbon resistor of (47 ± 4.7) kΩ is to be marked with rings of different colours for its identification. The colour code sequence will be