alleryStart learning →The female reproductive whorl of a flower is the
- calyx
- corolla
- androecium
- gynoecium
Show answer and solution
Correct answer: D. gynoecium
Gynoecium = female whorl (carpels).
Androecium = male (stamens).
Calyx = sepals; corolla = petals.
MP Board Class 12 (MPBSE) Sexual Reproduction in Flowering Plants — practice questions
Explore 20 free Sexual Reproduction in Flowering Plants questions in MP Board Class 12 (MPBSE) Biology. Open each question or exercise to read its content, reference answers and available explanation.
Practise Sexual Reproduction in Flowering Plants with Quill →Sexual Reproduction in Flowering Plants questions and exercises with answers
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The female reproductive whorl of a flower is theRead the answer and worked solution →A typical angiosperm embryo sac hasRead the answer and worked solution →The tough outer wall (exine) of pollen grains is made ofRead the answer and worked solution →Double fertilisation in angiosperms producesRead the answer and worked solution →Pollination of grasses occurs mainly throughRead the answer and worked solution →Self-incompatibility is a mechanism that preventsRead the answer and worked solution →Microsporogenesis (pollen formation) is initiated when:Read the answer and worked solution →The mature embryo sac (female gametophyte) in flowering plants typically has:Read the answer and worked solution →Pollination is best defined as the transfer of pollen from:Read the answer and worked solution →Pollination by INSECTS is called:Read the answer and worked solution →In a typical dicot embryo, the number of cotyledons is:Read the answer and worked solution →In the fruit, the OVARY WALL develops into the:Read the answer and worked solution →Parthenocarpy refers to:Read the answer and worked solution →NEET · Biology · Flower Parts ↔ FunctionRead the answer and worked solution →Order the journey of a pollen grainRead the answer and worked solution →Spot the reproduction lieRead the answer and worked solution →Pick the pollination termRead the answer and worked solution →Flower reproduction bingoRead the answer and worked solution →Order the plant breeder's stepsRead the answer and worked solution →Spot the odd flower termRead the answer and worked solution →
Worked practice questions
A typical angiosperm embryo sac has
- 3 cells, 4 nuclei
- 5 cells, 6 nuclei
- 7 cells, 8 nuclei
- 9 cells, 10 nuclei
Show answer and solution
Correct answer: C. 7 cells, 8 nuclei
7 cells, 8 nuclei: 3 antipodals, 1 central cell with 2 polar nuclei, 2 synergids, 1 egg.
The Polygonum-type embryo sac, the most common form.
The tough outer wall (exine) of pollen grains is made of
- cellulose
- lignin
- sporopollenin
- chitin
Show answer and solution
Correct answer: C. sporopollenin
Sporopollenin — the most resistant biological material known.
Survives strong acids, alkalis, and high temperatures.
Fossil pollen lasts millions of years.
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