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 |
|---|---|
| Term | 1 |
| Units | Unit VI Reproduction |
| Chapter | 2 |
| Name of Chapter | Sexual Reproduction in Flowering Plants |
| Question Type | Case Study and Passage Based |
| Syllabus | Flower 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)You may also like:
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