NEET 2021

184 Questions • 180 Minutes • 2021

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Q101
The site of perception of light in plants during photoperiodism is:
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Q102
The plant hormone used to destroy weeds in a field is:
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Q103
Plants follow different pathways in response to environment or phase of life to form different kinds of structures. This ability is called:
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Q104
Which of the following plants is monoecious?
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Q105
A typical angiosperm embryo sac at maturity is:
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Q106
The term used for transfer of pollen grains from anthers of one plant to stigma of different plant which, during pollination, brings genetically different types of pollen grains to stigma, is:
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Q107
The production for gametes by the parents, formation of zygotes, the $F_1$ and $F_2$ plants, can be understood from a diagram called:
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Q108
The factor that leads to Founder effect in a population is:
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Q109
Mutations in plant cells can be induced by:
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Q110
Match List - 1 with List - 2 [table] List-1 | List-2 ; A. Protoplast fusion | (i) Totipotency ; B. Plant tissue culture | (ii) Pomato ; C. Meristem culture | (iii) Somaclones ; D. Micropropagation | (iv) Virus free plants [/table] Choose the correct answer from the options given below.
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Q111
During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:
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Q112
DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as:
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Q113
When gene targetting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as:
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Q114
Which of the following is not an application of PCR (Polymerase Chain Reaction) ?
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Q115
Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?
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Q116
Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?
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Q117
Amensalism can be represented as:
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Q118
The amount of nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time is referred as:
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Q119
Which of the following statements is not correct ?
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Q120
In the equation GPP - R = NPP. R represents:
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Paper Info
  • Exam: NEET
  • Year: 2021
  • Questions: 184
  • Duration: 180 mins
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