Reproduction in Flowering Plants Class 10. We covered all the Reproduction in Flowering Plants Class 10 MCQs in this post for free so that you can practice well for the exam.
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MCQ on Reproduction in Flowering Plants for NEET Students
All the events from the deposition of pollen grain on the stigma to the entry of pollen tube in the ovule are referred to as
(A) emasculation
(B) double fertilization
(C) pollen-pistil interaction
(D) syngamy
Option c – pollen-pistil interaction
Which of the following statement is WRONG with respect to wind pollination?
(A) Numerous flowers are packed into an inflorescence.
(B) Flowers possess a single ovule in each ovary.
(C) Pollen grains have mucilaginous covering.
(D) It is commonly found in grasses.
Option c – Pollen grains have mucilaginous covering.
In which of the following cases autogamy can occur?
(A) In Sunflowers, pollen grains are released much before the stigma becomes receptive.
(B) In Michelia, the stigma becomes receptive much before pollen grains are released.
(C) In Viola, flowers are bisexual and do not open at all.
(D) In Orchids, pollen germination on the stigma of the same flower is inhibited.
Option c – In Viola, flowers are bisexual and do not open at all.
Read the given statements and select the correct option. Statement I: When pollen grains are shed at celled condition, the generative cell of two carries two male gametes from the beginning, before germinating on stigma. Statement II: When pollen grains are shed at two-celled conditions, the generative cell divides and forms two male gametes during the growth of the pollen tube in the stigma.
(A) Statement I is correct, while statement II is incorrect
(B) Statement II is correct, while statement I is incorrect
(C) Both statements I and II are correct
(D) Both statements I and II are incorrect
Option b – Statement II is correct, while statement I is incorrect
Emasculation refers to
(A) the removal of petals so as to prevent nectar robbers.
(B) removal of stigma to prevent self-pollination.
(C) removal of anthers to prevent self-pollination.
(D) a dusting of pollen grains on the stigma so as to bring about pollination.
Option c – removal of anthers to prevent self-pollination.
Select the INCORRECT step of artificial hybridization from the following.
(A) Emasculation is not required if the female parent produces hermaphrodite flowers.
(B) The female flower buds are bagged before the flower opens.
(C) The desired pollen grains are dusted on the receptive stigma of the female flower.
(D) After dusting pollen grain flowers are rebagged till fruit formation occurs.
Option a – Emasculation is not required if the female parent produces hermaphrodite flowers.
In double fertilization, triple fusion results in the formation of
(A) zygote
(B) embryo
(C) primary endosperm nucleus
(D) pericarp
Option c – primary endosperm nucleus
Which of the following can be a floral reward in insect-pollinating flowers?
(A) Nectar
(B) Pollen grains
(C) Safe place to lay eggs
(D) All of these
Option d – All of these
Which of the following represents the correct sequence of microsporogenesis?
(A) Microspore mother cell → sporogenous tissue → microspore tetrad → pollen grains
(B) Sporogenous tissue → microspore tetrad → microspore mother cell → pollen grains
(C) Sporogenous tissue – microspore mother cell → microspore tetrad → pollen grains
(D) Male gametophyte – microspore mother cell – generative cells – pollen grains
Option c – Sporogenous tissue – microspore mother cell → microspore tetrad → pollen grains
Select the INCORRECT statement from the following.
(A) Self-incompatibility is a genetic mechanism.
(B) Self-incompatibility inhibits pollen germination or pollen tube growth in the pistil of the same flower or another flower of the same plant.
(C) The presence of both male and female flowers on the same plants prevents both autogamy as well as geitonogamy.
(D) Dioecious plants prevent autogamy as well as geitonogamy.
Option c – The presence of both male and female flowers on the same plants prevents both autogamy as well as geitonogamy.
Which of the following plant shows a mutual relationship with a species of moth, where the plant as well as the moth can not complete its life cycle?
(A) Mango
(B) Zostera
(C) Vallisneria
(D) Yucca
Option d – Yucca
Continued self-pollination results in
(A) genetic variation
(B) inbreeding depression
(C) infertility
(D) self-incompatibility
Option b – inbreeding depression
The number of meiotic and mitotic divisions required to form an embryo sac from a megaspore mother cell is
(A) 1 meiosis and 3 mitosis
(B) 1 meiosis and 2 mitosis
(C) 2 meiosis and 2 mitosis
(D) 3 meiosis and 2 mitosis
Option a – 1 meiosis and 3 mitosis
In which of the following seeds endosperm is completely consumed by the developing embryo?
(A) Maize
(B) Groundnut
(C) Barley
(D) Wheat
Option b – Groundnut
Select the INCORRECT pair from the following.
(A) Polyembryony – Occurrence of more than one embryo in an ovule
(B) Parthenocarpy – Production of seeds without fertilization
(C) Embryogeny – The development of an embryo
(D) Megasporogenesis – The formation of megaspore
Option b – Parthenocarpy – Production of seeds without fertilization
Which of the following adaptation is shown by insect-pollinated flowers?
(A) Large and colorful flower
(B) Flowers rich in nectar
(C) When flowers are small, they are clustered into an inflorescence
(D) All of these
Option d – All of these
Which of the following statement is WRONG?
(A) In a few plants, floral parts like the thalamus also contribute to fruit formation. Such fruits are called false fruits.
(B) The fruits which develop only from ovaries are called true fruits.
(C) All the fruits that we eat are not real fruits.
(D) Mangos and oranges are examples of false fruit.
Option d – Mangos and oranges are examples of false fruit.
Read the given statements and select the correct option. (i) In the majority of flowering plants, the embryo sac is formed from a single functional megaspore. (ii) A typical angiosperm embryo sac is 7 nucleated and 8 celled. (iii) After the meiotic division of the megaspore mother cell, one megaspore degenerates while 3 functional megaspores take part in the formation of the embryo sac. The correct statement/s is/are
(A) (i) and (ii)
(B) only (i)
(C) (ii) and (iii)
(D) (i), (ii) and (iii)
Option b – only (i)
Read the given statements and select the correct option. Statement I: Vallisneria, Hydrilla, Zostera. water lilies and water hyacinths are examples of aquatic plants. Statement II: In all aquatic plants pollination occurs by water.
(A) Statement I is correct, while statement Il is incorrect
(B) Statement II is correct, while statement is incorrect
(C) Both statements I and II are correct
(D) Both statements I and II are incorrect
Option a – Statement I is correct, while statement Il is incorrect
There are some species of birds which consume nectar from flowers without bringing about pollination, such floral visitors are referred to as
(A) true pollinators
(B) outbreeders
(C) nectar robbers
(D) none of these
Option c – nectar robbers
Which of the following statement is WRONG with respect to post-fertilization events?
(A) Diploid zygote results in the formation of the embryo.
(B) Triploid primary endosperm nucleus results in the formation of the endosperm.
(C) Synergids and antipodals take part in formation of radicle and plumule.
(D) The ovary wall develops into a pericarp.
Option c – Synergids and antipodals take part in formation of radicle and plumule.
Identify the WRONG statement from the following. ( Reproduction in Flowering Plants Class 10 )
(A) The majority of plants use biotic agents for pollination.
(B) Bees are the dominant biotic pollinating agents.
(C) Wind pollination is quite common in grasses.
(D) Pollination by water is quite common In flowering plants.
Option d – Pollination by water is quite common In flowering plants.
The number of meiotic divisions required to form 4 functional megaspores and 4 microspores is……….. respectively.
(A) 4 and 4
(B) 4 and 1
(C) 2 and 4
(D) 1 and 1
Option b – 4 and 1
In which of the following plants, pollination does NOT occur with the help of water?
(A) Vallisneria
(B) Hydrilla
(C) Zostera
(D) Yucca
Option d – Yucca
We covered all the reproduction in flowering plants class 10 MCQs above in this post for free so that you can practice well for the exam.
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