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NEET UG Sexual Reproduction in Flowering Plants — practice questions — page 2

Explore 80 free Sexual Reproduction in Flowering Plants questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Sexual Reproduction in Flowering Plants questions and exercises with answers

Showing questions 31–60 of 80.

Insects that eat nectar without pollinating are called:Read the answer and worked solution →Continued self-pollination leads to:Read the answer and worked solution →Which develops first after double fertilisation?Read the answer and worked solution →Wheat, maize and castor seeds keep part of their endosperm. They are:Read the answer and worked solution →A mature seed has moisture of only about:Read the answer and worked solution →Catch the water pollinatedRead the answer and worked solution →Pop the ovule partsRead the answer and worked solution →Steer into the pollen laneRead the answer and worked solution →Slice the flower wordsRead the answer and worked solution →Wind or insectRead the answer and worked solution →Which pollination typeRead the answer and worked solution →One word is wrongRead the answer and worked solution →Plant reproduction bingoRead the answer and worked solution →Which microsporangium wall layer lies directly beneath the epidermis?Read the answer and worked solution →The outer three wall layers of a microsporangium mainly help inRead the answer and worked solution →In a young anther, the centre of each microsporangium is occupied byRead the answer and worked solution →What is the usual diameter of angiosperm pollen grains?Read the answer and worked solution →Pollen grains preserve well as fossils because their exine containsRead the answer and worked solution →The vegetative cell of a pollen grain hasRead the answer and worked solution →Which weed entered India as a contaminant of imported wheat and causes pollen allergy?Read the answer and worked solution →Pollen of which families stays viable for months?Read the answer and worked solution →A pistil with several carpels that are free from one another is calledRead the answer and worked solution →Which plant has a multicarpellary, syncarpous pistil?Read the answer and worked solution →Which fruit develops from an ovary that has many ovules?Read the answer and worked solution →The region where the body of the ovule fuses with the funicle is theRead the answer and worked solution →Embryo sac formation from a single functional megaspore is termedRead the answer and worked solution →Free nuclear divisions in embryo sac formation mean thatRead the answer and worked solution →Geitonogamy is genetically similar to autogamy becauseRead the answer and worked solution →Wind and water pollinated plants make excess pollen toRead the answer and worked solution →Water pollination in flowering plants is limited to about how many genera?Read the answer and worked solution →

Worked practice questions

Insects that eat nectar without pollinating are called:

  1. Pollinating agents
  2. Flower parasites
  3. Seed predators
  4. Nectar robbers
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Correct answer: D. Nectar robbers

1. Some visitors never touch anther or stigma. 2. They take the reward for nothing. 3. They are pollen or nectar robbers. _Source: syllabus Biology, Chapter 2, Sexual Reproduction in Flowering Plants._

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Continued self-pollination leads to:

  1. Inbreeding depression
  2. Strong hybrid vigour
  3. Regular polyembryony
  4. Apomictic seed set
Show answer and solution

Correct answer: A. Inbreeding depression

1. Self pollen keeps the same genes circulating. 2. Over generations the plants weaken. 3. This is inbreeding depression. _Source: syllabus Biology, Chapter 2, Sexual Reproduction in Flowering Plants._

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Which develops first after double fertilisation?

  1. Fruit wall
  2. Endosperm
  3. Embryo body
  4. Seed coat
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Correct answer: B. Endosperm

1. The embryo needs food before it grows. 2. The food tissue forms first. 3. Endosperm development precedes embryo development. _Source: syllabus Biology, Chapter 2, Sexual Reproduction in Flowering Plants._

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More Biology topics

Genetics and EvolutionReproduction in Organisms & PlantsBiotechnology and ApplicationsBiodiversity and ConservationThe Living World & Biological ClassificationNeural Control and Chemical CoordinationPrinciples of Inheritance and VariationAnimal Kingdom