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NEET Botany PYQs

Class XI & Class XII • NCERT Based • Instant Feedback

🧬 Botany 📘 Class XI & XII 🤖 AI Explanations
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408 questions in Botany
Question 111 of 408
Which of the following are not secondary metabolites in plants?
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Which of the following stages of meiosis involves division of centromere?
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Question 113 of 408
Match List-I with List-II.
List-I List-II
(A)Cohesion (I)More attraction in liquid phase
(B)Adhesion (II)Mutual attraction among water molecules
(C)Surface tension (III)Water loss in liquid phase
(D)Guttation (IV)Attraction towards polar surfaces
Choose the correct answer from the options given below:
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The first stable product of CO2 fixation in sorghum is:
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The site of perception of light in plants during photoperiodism is:
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The plant hormone used to destroy weeds in a field is:
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Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:
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Question 118 of 408
Which of the following plants is monoecious?
Explanation:

Chara (a freshwater alga) is monoecious in NCERT terms because it bears both male (antheridia) and female (oogonia) sex organs on the same plant. This means one individual can produce both male and female gametes, fulfilling the monoecious condition.

🧠 Did You Know?

In higher plants, monoecious species have separate male and female flowers on the same individual, while dioecious species have male and female flowers on separate individuals.

💡 NCERT Memory Line:

Monoecious = same plant bears both male and female sex organs (antheridia and oogonia present).

A typical angiosperm embryo sac at maturity is:
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The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is :
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