List of top Questions asked in OJEE

A triode valve has an anode resistance of 20,000 and an amplification factor of 20. The mutual conductance is:
A battery of 10 V and internal resistance 0.5 Ω is connected in parallel with a battery of 12 V and internal resistance 0.8 Ω. The terminals are connected by an external resistance of 20 Ω. The current flowing through the 20 Ω resistance is:
A concave lens forms the image of an object which is:
If the speed of sound in air at 0°C is 331 m/s, the speed of sound in air at 35°C is:
Current \( I \) flows through a conducting wire of radius \( a \). The magnetic field \( B \) at a distance \( r \) from the centre of the wire (where \( r>a \) and \( \mu \) is the permeability of free space) is:
Transfer of genetic material from one bacterium to another through contact is
The term episome refers to a type of
Teichoic acid is present in which cell component of bacteria
Which group includes protozoa, protistan algae and slime moulds
Enzymes present in gastric juice of stomach are
The term niche refers to
Nucleoid is
Interconnected flattened sacs of endoplasmic reticulum are called
Hypertonic urine formation is characteristic of kidneys of
Haemophilia is an example of
Epidermis is produced from
Microfibrils are composed of
Which is not a characteristic feature of meristematic cells
Aleurone layer is present in
The condition in which anthers of all the stamens of a flower are united while filaments are free can be seen in
Correct sequence of cardiac cycle is
Zoospores are absent in
A characteristic of Cycas that resembles ferns is:
Life cycle of Saccharomyces cerevisiae is:
Diabetes mellitus is caused due to