Case Study and Passage Based Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants

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In CBSE Class 12 Biology Paper, Students will have to answer some questions based on Assertion and Reason. There will be a few questions based on case studies and passage based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Here, we have provided case based/passage based questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants.

CBSE Class 12 Biology
Term1
UnitsUnit VI Reproduction
Chapter 2
Name of ChapterSexual Reproduction in Flowering Plants
Question TypeCase Study and Passage Based
SyllabusFlower structure; development of male and female gametophytes; pollination – types, agencies and examples; outbreeding devices; pollen-pistil interaction; double fertilization; post fertilization events – development of endosperm and embryo, development of seed and formation of fruit; special modes- apomixis, parthenocarpy, polyembryony; Significance of seed dispersal and fruit formation.

Case Study/Passage Based Questions for Class 12 Biology

Question 1:

A biology student Advik, read an article on apple being a false fruit. He asked his teacher about how fruit can be called false fruit and was explained about the development of fruits.

(i) A true fruit is formed from
(a) ovary
(b) ovary and thalamus
(c) ovary and calyx
(d) ovary and receptacle

Answer Answer: (a)

(ii) Fruit is a
(a) post fertilisation product of pistel
(b) product of flower
(c) body having seeds
(d) product of ovary

Answer Answer: (d)

(iii) Parthenocarp is a fruit
(a) formed from superior ovary
(b) formed from inferior ovary
(c) consisting of ripened ovary and thalamus
(d) which does not possess seeds

Answer Answer: (d)

(iv) A fruit when is constricted in between the seeds is
(a) Regma
(b) Samara
(c) lomantium
(d) Frllicle

Answer Answer: (c)

(v) Schizocarpic fruit splits up into
(a) Achenial fruit
(b) Capsular
(c) Schizocarpic
(d) Drupe

Answer Answer: (b)

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