In angiosperms, microsporogenesis and megasporogenesis?
1. Occur in anther
2. Form gametes without further divisions
3. Involve meiosis
4. Occur in ovule
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMale gametophyte in angiosperms produces?
1. Two sperms and a vegetative cell
2. Single sperm and a vegetative cell
3. Single sperm and two vegetative cells
4. Three sperms
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statements is not true?
1. | Pollen grains are rich in nutrients and they are used in the form of tablets and syrups |
2. | Pollen grains of some plants cause severe allergies and bronchial afflictions in some people |
3. | The flowers pollinated by flies and beetles secrete foul odour to attract them |
4. | Honey is made by bees by digesting pollen collected from flowers |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMale gametophyte with least number of cells is present in:
1. Pteris
2. Funaria
3. Lilium
4. Pinus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPollen tablets are available in the market for:
1. | In vitro fertilization | 2. | Breeding programmes |
3. | Supplementing food | 4. | Ex-situ conservation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Sporopollenin can be degraded by enzymes |
2. | Sporopollenin in made up of inorganic materials |
3. | Sporopollenin can withstand high temperatures as well as strong acids and alkalis |
4. | Sporopollenin can withstand high temperatures but not strong acids |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following statements is wrong?
1. | Vegetative cell is larger than generative cell |
2. | Pollen grains in some plants remain viable for months |
3. | Intine is made up of cellulose and pectin |
4. | When pollen is shed at a two-celled stage, double fertilization does not take place |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology