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Shortest phase in the menstrual cycle of women is

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Important Questions on Practice Papers - II

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 40 - Practice Papers - II>PRACTICE PAPER>Q 1
Which of the following graphs shows the type of natural selection which favours polymorphisms?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 40 - Practice Papers - II>PRACTICE PAPER>Q 2
Which of the given pyramids represents the variation in biomass at different trophic levels in pond ecosystem?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 40 - Practice Papers - II>PRACTICE PAPER>Q 3

Which of the following species is a primary consumer in the given food web?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 40 - Practice Papers - II>PRACTICE PAPER>Q 4
Penicillium does not allow the growth of Staphylococcus bacteria and Trichoderma stops the growth of fungus Aspergillus. This type of biotic interaction is called
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 40 - Practice Papers - II>PRACTICE PAPER>Q 5

Refer to the given figure showing different zones in a deep lake. In which zone of the lake, producers occur throughout from surface to bottom?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 40 - Practice Papers - II>PRACTICE PAPER>Q 6
Human chorionic gonadotropin is secreted by
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 40 - Practice Papers - II>PRACTICE PAPER>Q 7

Female plant is diploid and male plant is tetraploid. Find out the correct match regarding this.

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 40 - Practice Papers - II>PRACTICE PAPER>Q 8
5'AGCT3' is the recognition sequence and cleavage site for which of the following enzyme?