NEET 2018

173 Questions • 180 Minutes • 2018

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Q81
Select the incorrect match :
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Q82
Which of the following terms describe human dentition ?
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Q83
Which of the following events does not occur in rough endoplasmic reticulum ?
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Q84
Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as
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Q85
In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels ?
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Q86
Which of the following is not an autoimmune disease ?
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Q87
Among the following sets of examples for divergent evolution, select the incorrect option :
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Q88
Conversion of milk to curd improves its nutritional value by increasing the amount of
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Q89
The similarity of bone structure in the forelimbs of many vertebrates is an example of
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Q90
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
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Q91
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
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Q92
At what temperature will the rms speed of oxygen molecules become just sufficient for escaping from the Earth's atmosphere ? (Given : Mass of oxygen molecule (m) = $2.76 \times 10^{-26}$ kg Boltzmann's constant $k_B = 1.38 \times 10^{-23}$ J $K^{-1}$)
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Q93
The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is
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Q94
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
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Q95
A set of 'n' equal resistors, of value 'R' each, are connected in series to a battery of emf 'E' and internal resistance 'R'. The current drawn is I. Now, the 'n' resistors are connected in parallel to the same battery. Then the current drawn from battery becomes 10 I. The value of 'n' is
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Q96
A battery consists of a variable number 'n' of identical cells (having internal resistance 'r' each) which are connected in series. The terminals of the battery are short-circuited and the current I is measured. Which of the graphs shows the correct relationship between I and n ?
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Q97
Unpolarised light is incident from air on a plane surface of a material of refractive index '$\mu$'. At a particular angle of incidence 'i', it is found that the reflected and refracted rays are perpendicular to each other. Which of the following options is correct for this situation ?
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Q98
In Young's double slit experiment the separation d between the slits is 2 mm, the wavelength $\lambda$ of the light used is 5896 Å and distance D between the screen and slits is 100 cm. It is found that the angular width of the fringes is 0.20°. To increase the fringe angular width to 0.21° (with same $\lambda$ and D) the separation between the slits needs to be changed to
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Q99
An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens of
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Q100
The ratio of kinetic energy to the total energy of an electron in a Bohr orbit of the hydrogen atom, is
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Paper Info
  • Exam: NEET
  • Year: 2018
  • Questions: 173
  • Duration: 180 mins
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