# Recent questions and answers in NEET PAST PAPERS

Questions from: NEET PAST PAPERS

### A particle moves along a circle of radius $\frac{20}{\pi}$ m with constant tangential acceleration. If the velocity of the particle is $80 m/s at the end of the second revolution after motion has begun, the tangential acceleration is : - ### If a ball is thrown vertically upwards with speed u, the distance covered during the last ‘t’ seconds of its ascent is : ### A deuteron is bombarded on$_{8}O^{16}$nucleus then$\alpha$-particle is emitted then product nucleus is - ### A sample of radioactive element containing$4 \times10^{16}$active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days : - ### The velocity of electromagnetic wave is parallel to : - ### Identical charges (–q) are placed at each corner of a cube of side 'b' then electrical potential energy of charge (+q) which is placed at centre of cube will be ### From the following statements select the wrong one - ### A person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of - ### A patient is generally advised to specially consume more meat, lentils, milk and eggs in diet only when he suffers from - ### In a man, abduncens nerve is injured. Which one of the following functions will be affected ### There are two opposing views about origin of modern man. According to one view **** erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation of DNA variation could suggest this - ### Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness - ### Which of the following substances, if introduced into the blood stream, would cause coagulation of blood at the site of its introduction - ### Carbohydrates, the most abundant biomolecules on earth, are produced by - ### The catalytic efficiency of two different enzymes can be compared by the - ### If mammalian ovum fails to get fertilized, which one of the following is unlikely - ### Which one of the following experiments suggests that simplest living organisms could not have originated spontaneously from non- living matter - ### In ornithine cycle which of the following wastes are removed form the blood - ### In contrast to Annelids the Platyhelminths show ### Which of the following statements regarding enzyme inhibition is correct - ### Which of the following pairs, is correctly matched - ### An important step in the manufacture of pulp for paper industry from the woody tissues of plants is the - ### parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter - ### During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at the point. What is the sequence called - ### Which of the following is the relatively most accurate method for dating of fossils - ### Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by - ### Which one of the following phenomena supports Darwin's concept of natural selection in organic evolution - ### Identify the correctly matched pair - ### Which of the following characters is not typical of the class Mammalia - ### Which of the following is not used for disinfection of drinking water - ### Bacillus thuringiensis (Bt) strains have been used for designing novel - ### An acromian process is characteristically found in the - ### Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these - ### Which of the following is the simplest amino acid - ### To convert a galvanometer into a voltmeter one should connect a : - ### For retting of Jute the fermenting microbe used is - ### Barophilic prokaryotes - ### Genes for cytoplasmic male sterility in plants are generally located in - ### At which latitude, heat gain through insolation approximately equals heat loss through terrestrial radiation - ### Haemophilia is more commonly seen in human males than in human females because - ### Why is vivipary an undersirable character for annual crop plants - ### A woman with normal vision, but whose father was colour bind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy - ### In order to find out the different types of gametes produced by a pea plants having the genotype AaBb, it should be crossed to a plant with the genotype - ### Telomerase is an enzyme which is a - ### Three crops that contribute maximum to global food grain production are - ### Which one of the following represents an ovule, where the embryo sac becomes horse- shoe shaped and the funiculus and micropyle are close to each other - ### The correct structure of tribromooctaoxide is :-<img src= "http://clay6.com/mpaimg/11_Screenshot_3.jpg"/> ### A particle moving with velocity$\overrightarrow {\rm{V}}\$ is acted by three forces shown by the vector triangle PQR. The velocity of the particle will :<img src="http://clay6.com/mpaimg/ne22.jpg"/>

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