Gametophytes of sexually reproducing flowering plants are

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Q: 38 (NDA-I/2015)
Gametophytes of sexually reproducing flowering plants are

question_subject: 

Science

question_exam: 

NDA-I

stats: 

0,9,20,9,15,3,2

keywords: 

{'flowering plants': [0, 0, 0, 1], 'gametophytes': [0, 0, 0, 1], 'polyploid': [0, 0, 0, 1], 'haploid': [0, 0, 0, 1], 'tetraploid': [0, 0, 0, 1], 'diploid': [0, 0, 0, 1]}

The correct answer is option 1: Haploid.

Gametophytes are the reproductive structures in the life cycle of plants where gametes (sperm and eggs) are produced. In sexually reproducing flowering plants, the gametophytes are haploid, meaning they have a single set of chromosomes.

Option 2: Diploid, refers to cells or organisms that have two sets of chromosomes, one from each parent. This is not the case for gametophytes of flowering plants.

Option 3: Tetraploid, refers to cells or organisms that have four sets of chromosomes. This is not relevant to the gametophytes of flowering plants.

Option 4: Polyploid, refers to cells or organisms that have more than two sets of chromosomes. This is not relevant to the gametophytes of flowering plants.

Therefore, the correct answer is option 1: Haploid, as the gametophytes of sexually reproducing flowering plants are haploid structures.