MCQ_SINGLE

A car travels on a circular racetrack of radius 50 m, which is banked at an angle $\theta$. If the car travels at a speed $10~ms^{-1}$, then the wear and tear on its tyres is minimum. Taking the acceleration due to gravity to be $10~ms^{-2}$, the value of $\theta$ is:

MCQ_SINGLE

In frogs, the number of pairs of cranial nerves arising from the brain are

MCQ_SINGLE

Which of the following are characteristics of prokaryotic cells? (a) Ribosomes are made of 50S and 30S subunits (b) They can have plasmids (c) They contain mesosome (d) They have peroxisomes. Choose the correct answer from the options given below:

MCQ_SINGLE

Which of the following is the correct order of arrangement of vertebrate column from the head to toe?

MCQ_SINGLE

Match List-I with List-II. List-I: A. Transformation B. Cloning site C. Selection D. Ori List-II: I. Restriction enzyme II. Transfer DNA to host bacteria III. Replication IV. Antibiotic Choose the correct answer from the options given below:

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