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Preparation for Medical Entrance exams - Biology, Physics and Chemistry

(578 Posts)

This thread is dedicated to preparation for Biology, Physics and Chemistry section of Medical Entrance exams like AIPMT, AIIMS and AFMC. You may share questions related to topics like Physiology of Animal, Ecology and Environment, Biotechnology, Cell: Structure, Genetics and Evolution, Inorganic Chemistry, Physical Chemistry, Organic Chemistry, Ray Optics, Electrodynamics, Electrostatics, Thermodynamics, Heat, Sound, Waves etc.

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
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Ney Iared Reynaldo Junior
Shared from Thermodynamics on 05 Jun, 2019 2:04 AM

An exothermic reaction is that in which the reacting substances

 
have more energy than the product
have less energy than the product
have as much energy as the product
are at higher temperature than the product
Please type your answer before submitting.
Ney Iared Reynaldo Junior
Posted on 05 Jun, 2019 2:04 AM

Ok

Luv Gupta
Shared from JIPMER (2012) on 29 May, 2019 10:14 PM

The most active phagocytic white blood cells are

 
neutrophils and eosinophils
lymphocytes and macrophages
eosinophils and lymphocytes
neutrophils and monocytes
Please type your answer before submitting.
Luv Gupta
Posted on 29 May, 2019 10:14 PM

But lymphocytes and macrophages are also phagocytic

Ayush Verma
Shared from JIPMER Mock - 1 on 29 May, 2019 8:30 PM

Two similar charges having mass m and 2m are placed in an electric field. The ratio of their kinetic energies is

 
4 : 1
1 : 1
2 : 1
1 : 2
Please type your answer before submitting.
Ayush Verma
Posted on 29 May, 2019 8:30 PM

There is no mention of the instant to be = t Should it not be calculated using that drop in PE = gain in KE .'. q x V = KE

Durga Roshanth
Shared from JIPMER Mock - 1 on 26 May, 2019 2:59 PM

Directions: In the following question, two statements are given. One is an assertion and the other is a reason. Examine the statements carefully and mark the correct answer according to the instructions given below.

Assertion: Mass of moving photon varies inversely as the wavelength.

Reason: A photon has both particle and wave nature.

 
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
Assertion is true but Reason is false.
Assertion is false but Reason is true.
Please type your answer before submitting.
Durga Roshanth
Posted on 26 May, 2019 2:59 PM

We can derive equation 2 from equation 1 so both are related

Tarun Kumar
Shared from Biology Test - 2 on 24 May, 2019 10:31 PM

Which of the following is not a beneficial element required by higher plants?

 
Sodium
Cobalt
Silicon
Boron
Molybdenum
Please type your answer before submitting.
Tarun Kumar
Posted on 24 May, 2019 10:31 PM

Question no 20 answer is c