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Sexual Reproduction In Flowering Plants - Class 12th Biology Practice Test| MCQs For NEET
25 Questions 9 Attempts 4.51K SeenMerit
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Q.1. The anther wall consists of four wall layers where
- tapetum lies just inner to endothecium
- middle layers lie between endothecium and tapetum
- endothecium lies inner to middle layers
- tapetum lies next to epidermis
Q.2. Anther is generally
- monosporangiate
- bisporangiate
- tetrasporangiate
- trisporangiate.
- microsporangia
- male gametophyte
- male gametes
- microsporophylls.
Q.4. Nonessential floral organs in a flower are
- sepals and petals
- anther and ovary
- stigma and filament
- petals only.
Q.5. Science of cultivation, breeding, marketing and arrangement of flowers is called
- arboriculture
- floriculture
- horticulture
- anthology
Q.6. From among the sets of terms given below, identify those that are associated with the gynoecium
- Stigma, ovule, embryo sac, placenta
- Thalamus, pistil, style, ovule
- Ovule, ovary, embryo sac, tapetum
- Ovule, stamen, ovary, embryo sac
Q.7. During microsporogenesis, meiosis occurs in
- endothecium
- microspore mother cells
- microspore tetrads
- pollen grains
Q.8. The outermost and innermost wall layers of microsporangium in an anther are respectively
- endothecium and tapetum
- epidermis and endodermis
- epidermis and middle layer
- epidermis and tapetum.
Q.9. Embryo sac is to ovule as _______ is to an anther.
- Stamen
- filament
- pollen grain
- androecium
Q.10. An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as
- apospory
- apogamy
- parthenogenesis
- parthenocarpy
Q.11. Polyembryony commonly occurs in
- banana
- tomato
- Potato
- Citrus
Q.12. Indentify the wrong statement regarding post-fertilisation development
- The ovary wall develops into pericarp.
- The outer integument of ovule develops into tegmen
- The fusion nucleus (triple nucleus) develops into endosperm.
- The ovule develops into seed.
Q.13. Persistent nucellus is called as _______ and is found in _______.
- perisperm, black pepper
- perisperm, groundnut
- endosperm, black pepper
- endosperm groundnut
Q.14. In albuminous seeds, food is stored in _______ and in non albuminous seeds, it is stored in _______
- endosperm, cotyledons
- cotyledons, endosperm
- nucellus, cotyledons
- endosperm, radicle
Q.15. Endospermic seeds are found in
- castor
- barley
- Coconut
- All of these
Q.16. Spiny or sticky pollen grains and large, attractively coloured flowers are associated with
- hydrophily
- entomophily
- ornithophily
- anemophily
Q.17. Which of the following is not a water pollinated plant ?
- Zostera
- Vallisneria
- Hydrilla
- Cannabis
Q.18. Plants with ovaries having only one or a few ovules are generally pollinated by
- bees
- Butterflies
- birds
- Wind
Q.19. Feathery stigma occurs in
- pea
- wheat
- Datura
- Caesalpinia
Q.20. Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in
- papaya
- bottle gourd
- maize
- all of these.
Q.21. Even in absence of pollinating agents seed-setting is assured in
- Commelina
- Zostera
- Salvia
- Fig
Q.22. Both chasmogamous and cleistogamous flowers are present in
- Helianthus
- Commelina
- Rosa
- Gossypium
Q.23. Polygonum type of embryo sac is
- 8 – nucleate, 7 – celled
- 8 – nucleate, 8 – celled
- 7 – nucleate, 7 – celled
- 4 – nucleate, 3 – celled
Q.24. The female gametophyte of a typical dicot at the time of fertilisation is
- 8 – celled
- 7 – celled
- 6 – celled
- 5 – celled
Q.25. What is the function of filiform apparatus in an angiospermic embryo sac?
- Brings about opening of the pollen tube
- Guides the pollen tube into a synergid
- Prevents entry of more than one pollen tube into a synergid
- None of these
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