Reproduction In Higher And Lower Plants Sub-topics For MHT_CET 2023-2024.
- Asexual Reproduction
- Sexual Reproduction
- Microsporogenesis
- Structure Of Anatropous Ovule
- Megasporogenesis
- Pollination
- Outbreeding Devices (Contrivances)
- Pollen-Pistil Interaction
- Double Fertilization
- Development of endosperm
- Development of embryo
- Seed and fruit development
- Apomixis
- Parthenocarpy
- Polyembryony
Multiple Choice Questions for Biology MHT CET
Q1. The main modes of reproduction in angiosperms are?
A. Vegetative propagation, sexual reproduction
B. Sexual reproduction ,parthenogenesis
C. Vegetative propagation, gemmule formation
D. Asexual reproduction,fragmentation
Correct answer: (A)
Q2. Morphologically and genetically identical individual produced by asexual reproduction are called as:
A. Microspores
B. Clones
C. Embryos
D. Megaspores
Correct answer : (B)
Q3. The most common type of asexual reproduction in filamentous algae is :
A. Binary fission
B. Budding
C. Fragmentation
D. Sporulation
Correct Answer : (C)
Q4. Type of asexual reproduction in unicellular Organism in which parent cell divides to produce 2 equal cells which develop into 2 new individuals is called:
A. Budding
B. Binary Fission
C. Sporulation
D. Fragmentation
Correct Answer : (B)
Q5. Which of the following organisms show binary fission mode of reproduction?
A. Hydra,yeast
B. Penicillium,VAM
C. Paramoecium,Amoeba
D. Chlamydomonas,Sponges
Correct Answer :(C)
Q6. Penicillium produce non-motile spores called:
A. Gemmules
B. Conidia
C. Fragments
D. Bud
Correct Answer:(B)
Q7. Gemmule formation is commonly seen in
A. Amoeba
B. Paramoecium
C. Sponges
D. Algae
Correct Answer:(C)
Q8. The asexual reproduction in angiosperm occurs naturally through vegetative parts such as root, steam, leaf or buds. such type of reproduction is called:
A. Vegetative propagation
B. Fragmentation
C. Syngamy
D. Binary Fission
Correct Answer:(A)
Q9. A technique of vegetative propagation in which small piece of any vegetative part of plant having one or more buds is used to develop a new plant is called
A. Cloning
B. Cutting
C. Stocking
D. All Of the above
Correct Answer :(B)
Q10. An artificial method which involves joining the parts of 2 different plants in such a way that they unite and continue their growth as one plant is called:
A. Grafting
B. Fragmentation
C. Cutting
D. Micropropogation
Correct Answer:(A)
Q11. A technique of grafting in which single bud with a small part of bark and living tissue is grafted on the particular stock is called :
A. Cutting
B. Bud grafting
C. Cloning
D. Stocking
Correct Answer:(B)
Q12. ----------- is the initial stage of the sporophyte.
A. Haploid zygote
B. Diploid zygote
C. Haploid microspores
D. Haploid megaspores
Correct Answer:(B)
Q13. Flower is a highly modified and condensed reproductive shoot specially meant for:
A. Vegetative reproduction
B. Sexual reproduction
C. Asexual reproduction
D. Parthenocarpic reproduction
Correct Answer:(B)
Q14. The arrangement of whorls from outer to inner side in a flower are
A. Calyx, gynoecium, androecium, Corolla
B. Calyx, Corolla, androecium, gynoecium
C. Corolla, Corolla, androecium, gynoecium
D. Gynoecium, androecium, Corolla, callyx
Correct Answer:(B)
Q15. Individual members of androecium are called as:
A. Stamens
B. Filaments
C. Style
D. Stigma
Correct Answer:(A)
Q16. Fertile part of stamen is :
A. Filament
B. Anther
C. Connective
D. Both (B) and (C)
Correct Answer:(B)
Q17. To anther lobes are connected to each other by
A. Tapetum
B. Pollen sac
C. Connective
D. Endothecium
Correct Answer:(C)
Q18. Each monothecous anther contains --------- polllen sacs.
A. Three
B. Four
C. Two
D. One
Correct Answer:(C)
Q19. Dithecous anther is:
A. Monosporangiate
B. Bisporangiate
C. Trispoangiate
D. Tetrasporangiate
Correct Answer:(D)
Q20. ----------- is the outermost layer of anther which is protective in function.
A. Epidermis
B. Endothecium
C. Tapetum
D. Pollen sac
Correct Answer:(A)
Q21. Endothecium layer of anther lobes is present
A. Outside the epidermis
B. Inner to epidermis
C. In the innermost region
D. In the middle region
Correct Answer:(B)
Q22. Generally in the wall of anther lobes,how many middle layers are present
A. Seven to eight
B. One to ten
C. Ten to twelve
D. Nine to ten
Correct Answer:(B)
Q23. ---------is the innermost nutritive layer of anther wall.
A. Tapetum
B. Endothecium
C. Middle layer
D. Epidermis
Correct Answer:(A)
Q24. In a immature anther, inner at the to the tapetum, the microsporangium contains a compact mass of
A. Haploid sporongeous tissue
B. Diploid sporongeous tissue
C. Triploid sporongeous tissue
D. Tetreploid sporongeous tissue
Correct Answer:(B)
Q25. Formation of pollengrain is known as:
A. Pollination
B. Syngamy
C. Microsporogenesis
D. Megasporogenesis
Correct Answer:(C)
Q26. Microsporogenesis takes place inside
A. Pollen grain
B. Microsporangia
C. Endothecium
D. Tapetum
Correct Answer:(B)
Q27. Meiosis can be observed in:
A. Cells of middle layer
B. Microspore mother cells
C. Microspores
D. Anther wall
Correct Answer:(B)
Q28. Each pollen grain is :
A. Multicellular, binucleate, spherical structure
B. Unicellular, uninucleate, spherical or Oval, shaped structure
C. Multicellular, uninucleate, Oval, diploid structure
D. Unicellular, binucleate, spherical, haploid structure
Correct Answer:(B)
Q29. The double layer wall of pollen grain is called
A. Exine
B. Intine
C. Endothecium
D. Tapetum
Correct Answer:(C)
Q30. The thick highly resistant outer layer of pollen wall is called
A. Exine
B. Intine
C. Endothecium
D. Tapetum
Correct Answer:(A)
Q31. The intine of pollen grain made up of
A. Cellulose and pectin
B. Lipid and protein
C. Pectin and lignin
D. Lignin and cutin
Correct Answer:(A)
Q32. Exine is interrupted at 1or more places,called as
A. Megaspore
B. Germ pore
C. Microspore
D. Tube pore
Correct Answer:(B)
Q33. The development of male gametophyte is
A. Exosporic only
B. Endosporic only
C. Both exosporic and endosporic
D. Either exosporic or endosporic
Correct Answer:(B)
Q34. Before pollination , protoplast of pollen grain undergoes _______ to form two unequal cells .
A. Mitosis
B. Meiosis
C. Both mitosis and meiosis
D. None of these
Correct Answer:(A)
Q35. In the pollen grain before pollination, the smaller cell formed after mitotic division is called:
A. Tube cell
B. Generative cell
C. Germ cell
D. Stalk cell
Correct Answer:(A)
Q36. Larger cell of pollen grain formed before pollination is called :
A. Generative cell
B. Vegetative cell
C. Prothalial cell
D. Stalk cell
Correct Answer:(B)
Q37. Generative cell of a microspore undergoes which type of division?
A. Mitosis
B. Meiosis
C. Endomitosis
D. Budding
Correct Answer:(A)
Q38. Male gametes are formed from:
A. Stalk cell
B. Tube cell
C. Prothalial cell
D. Generative cell
Correct Answer:(D)
Q39. In most of the angiosperms, pollen grains are released at
A. 4-celled stage
B. 2-celled stage
C. 3-celled stage
D. pollen tube stage
Correct Answer:(B)
Q40. 3-celled stage of the male gametophyte representing fully formed mature male gametophyte, is reached
A. Before pollination
B. After polllination
C. During fertilization
D. After fertilization
Correct Answer:(B)
Q41. Pollen tube is formed from :
A. Pollen wall
B. Callose layer
C. Exine
D. Intine
Correct Answer:(D)
Q42. Generally, in a pollen tube,________ moves to the tip of tube.
A. Generative nucleus
B. Tube nucleus
C. Male gametes
D. Stalk cell
Correct Answer:(B)
Q43. Flower in which gynoecium possesses many free carpels is called as:
A. Apocarpous
B. Uniovulate
C. Syncarpous
D. Multiovulate
Correct Answer:(A)
Q44. Which of the following possesses multiovulated ovary ?
A. Paddy
B. Tomato
C. Wheat
D. Mango
Correct Answer:(B)
Q45. Funiculus attaches to an ovule with tissue of ovary called:
A. Placenta
B. Exine
C. Nucellus
D. Sporoderm
Correct Answer:(A)
Q46. A type of ovule, in which micropyle is directed downwards and is present adjacent to the funiculus is called:
A. Anatropous
B. Campylotropous
C. Apocarpous
D. Amphitropous
Correct Answer:(A)
Q47. Stock of ovule is called :
A. Pedicel
B. Peduncle
C. Funicle
D. Petiole
Correct Answer:(C)
Q48. Nucellus consists of:
A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Perisperm
Correct Answer:(A)
Q49. The base of the ovule is called:
A. Chalaza
B. Raphae
C. Micropyle
D. Placenta
Correct Answer:(A)
Q50. Protective covering of nucellus which develops from the chalazal part of nucellus is called:
A. Integuments
B. Embryo sac
C. Micropyle
D. Chalaza
Correct Answer:(A)