NEET Practice Questions (MCQs) with Answers & Solutions

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What is one of the primary reasons for the legalisation of MTP with strict conditions in India?

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Explanation

The text highlights: 'Such restrictions are all the more important to check indiscriminate and illegal female foeticides which are reported to be high in India.'

Which of the following is NOT a common reason for undergoing an MTP?

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Explanation

Reasons for MTP include unwanted pregnancies due to casual unprotected intercourse, contraceptive failure, or rape. The text also explicitly mentions that using MTP for sex determination leading to female foeticide is 'totally against what is legal.'

MTPs are also considered essential when continuation of pregnancy could be harmful or fatal to:

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Explanation

The NCERT material states: 'MTPs are also essential in certain cases where continuation of the pregnancy could be harmful or even fatal either to the mother or to the foetus or both.'

According to the Medical Termination of Pregnancy (Amendment) Act, 2017, for pregnancies lasting more than 12 weeks but fewer than 24 weeks, how many registered medical practitioners' opinions are required for termination?

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Explanation

The Medical Termination of Pregnancy (Amendment) Act, 2017 states: 'If the pregnancy has lasted more than 12 weeks, but fewer than 24 weeks, two registered medical practitioners must be of the opinion...'

What common dangerous trend is observed concerning the misuse of amniocentesis?

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Explanation

The text explicitly mentions: 'Another dangerous trend is the misuse of amniocentesis to determine the sex of the unborn child. Frequently, if the foetus is found to be female, it is followed by MTP- this is totally against what is legal.'

Which of the following is a ground for the termination of pregnancy as per the Medical Termination of Pregnancy (Amendment) Act, 2017?

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Explanation

One of the grounds for termination listed in the Act is: '(i) The continuation of the pregnancy would involve a risk to the life of the pregnant woman or of grave injury physical or mental health.'

A majority of MTPs are performed illegally by unqualified individuals, leading to what potential outcomes?

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Explanation

The text warns: 'One disturbing trend observed is that a majority of the MTPs are performed illegally by unqualified quacks which are not only unsafe but could be fatal too.'

Which of the following describes the fundamental principle of an AC generator?

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Explanation

According to the NCERT text, 'An ac generator converts mechanical energy into electrical energy.' and 'In an ac generator, mechanical energy is converted to electrical energy by virtue of electromagnetic induction.'

What is the primary role of the coil (armature) in an AC generator?

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Explanation

The NCERT text states, 'The rotation of the coil causes the magnetic flux through it to change, so an emf is induced in the coil.'

The angle $\theta$ between the magnetic field vector $\vec{B}$ and the area vector $\vec{A}$ of the coil in an AC generator is given by $\theta = \omega t$. What does $\omega$ represent?

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Explanation

The NCERT text mentions, 'When the coil is rotated with a constant angular speed $\omega$, the angle $\theta$ between the magnetic field vector B and the area vector A of the coil at any instant t is $\theta = \omega t$ (assuming $\theta = 0^{\circ}$ at t = 0).'

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