Sexual Reproduction in Flowering Plants Set 4
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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Sexual Reproduction in Flowering Plants Set 4
Q1 | Wind pollination requires that the pollen grains are
- Heavy and we
- Heavy and non-sticky
- Light and dry
- Heavy and sticky
Q2 | Future sporophytic generation in a seed is
- Cotyledon
- Endosperm
- Hypocotyl
- Embryo
Q3 | Scatelum is
- an endosperm
- a seed coat
- an embryo
- a cotyledon
Q4 | Which one of the following floats in the cytoplasm of the vegetative cell ?
- Male gamete
- Generatic cell
- Female gamete
- Microspore
Q5 | The mature pollen grain contains
- 3 cell
- 7 cells
- 2 cells
- 1 cell
Q6 | Pollen tube is formed by
- Germ pore
- Exine
- Style
- Intine
Q7 | A single ovule produces
- 3 female gamete
- 1 female gamet
- 2 female gamete
- 4 female gamete
Q8 | Embryo sac is formed inside
- Seed
- Endosperm
- Embryo
- Ovule
Q9 | Pro-embryo is a
- 8 celled structure
- 4 celled structure
- 2 celled structure
- 16 celled structure
Q10 | Suspensor is made up of
- 2 to 4 cell
- 4 to 8 cells
- 8 to 16 cells
- 20 to 25 cells
Q11 | Root cap of the embryo develops from
- Basal cell
- Apical cell
- Hypophysis
- Hypocotyl
Q12 | The hilum of the ovule represents the junction between
- Nucellus and Embryo
- Nucellus and Integuments
- Funicle and Integuments
- Funicle and ovule
Q13 | Which layer of the wall of microsporangium is made up of Fibrous layer
- Middle layer
- Endothecium
- Tapetum
- Epidermis
Q14 | Out of the four sets of appendages of a typical flower the outer two sets are
- Fertile
- Reproductive
- Sterile
- Filamentous
Q15 | A proximal sterile part of the stamen is called
- Style
- Connective
- Anther
- Filament
Q16 | A sterile region present between stigma and ovary is called
- Pollen tube
- Style
- Filament
- Suspensor
Q17 | The opposite end of the micropylar region of an ovule is called
- Embryo sac
- Nucellus
- Chalaza
- Thalamus
Q18 | When pollen grains are not transferred from anthers to stigma in a flower, due to the physical barrier,it is called
- Cleistogamy
- Herkogamy
- Dichogamy
- Heterogamy
Q19 | The asexual production of seed is called
- Fragmentation
- Apomixis
- Self-fertilization
- Dormancy
Q20 | Perisperm is
- Peripheral part of endosperm
- Remnent of endosperm
- Disintegrated secondary nucleus
- persistant of nucleus
Q21 | The root cell of wheat plant has 42 chromosomes. What would be the number of chromosomes in the synergid cell ?
- 21
- 7
- 28
- 14
Q22 | The plant part which consist of two generations, one within the other, is
- Germinated pollen grain
- Embryo
- Unfertilized ovule
- Seed
Q23 | The pollen tube usually enters the female gametophyte
- through one of the synergid
- by directly penetrating the egg
- between one synergid and central cell
- by knocking off the antipodal cell
Q24 | Match A and B :A B(p) Simple diffusion (i) Uphill transport(q) Faciliate diffusion (ii) Membrane protein that have a hydrophilic moiety.(r) Active transport (iii) Membrane protein that have a hydrophabic moiety.(s) Water potential. (iv) The potential energy.(v) Passive transportp q r s
- (v) (iii) (i) (iv)
- (i) (ii) (iii) (v)
- (v) (ii) (i) (iv)
- (iii) (v) (ii) (i)
Q25 | The pressure at which the entry of water across the semipermiable membrane stops is called .....
- Turgor pressur
- Root pressure
- Osmotic pressure
- Diffusion pressure