Seeds Multiple Choice Questions
1. Seed is
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- Developed ovule
- Fertilized and developed ovule
- Developed ovary
- Fertilized and developed ovary
Answer: 2
2. The smallest and the lightest seed is that of
- Lemna
- Morus
- Orchis
- Wolffia
Answer: 3
3. The largest and heaviest seed is that of
- Lodoicea
- Coconut
- Rafflesia
- Mango
Answer: 1
4. The seed bearing plants belong to the group of
- Pteridophyta
- Bryophyta
- Vascular cryptogams
- Phanerogams
Answer: 4
5. Outer seed coat is
- Testa
- Tegmen
- Hilum
- Funiculus
Answer: 1
6. Seed bud is
- Plumule
- Tegmen
- Ovule
- Mesocotyl
Answer: 3
7. Tegmen is the name of
- Embryo shoot
- Embryonic node
- Cotyledon
- Inner seed coat
Answer: 4
8. Hilum of seed is
- Scar of micropyle
- Scar of funiculus
- Area through which pollen tube enters the ovule
- Glandular and attractant region of ovule
Answer: 2
9. Tigellum is
- Embryonic axis
- Embryonic root
- Embryonic shoot
- Embryonic leaf
Answer: 1
10. Seed leaf is
- Leaf present over the plumule
- Colyledon
- Coleoptiles
- Mesocotyl
Answer: 2
11. Which one is the reproductive unit having an embryo, reserve food and protective covering
- Spore
- Fruit
- Seed
- Fruitlet
Answer: 3
12. In exalbuminous seeds, there is
- Nonformation of endosperm
- Abundant formation of endosperm
- Abundant protein
- Consumption of endosperm during development of seed
Answer: 4
13. In exalbuminous seed the food is generally stored in
- Endosperm initially but hypocotyls later on
- Cotyledons
- Endosperm from the beginning
- Testa
Answer: 2
14. The seed in which reserve food is present in the perisperm
- Nymphaea
- Coconut
- Onion
- Litchi
Answer: 1
15. An endospermic seed is
- Pea
- Gram
- Castor
- Bean
Answer: 3
16. Endosperm of Areca/Betel Nut is
- Tetraploid
- Soft
- Smooth
- Ruminate
Answer: 4
17. Integumentary outgrowth present over the micropyle of Castor is
- Chalaza
- Caruncle
- Aril
- Wing
Answer: 2
18. Hair of cotton are
- Outgrowth of testa
- Outgrowth of inner layer of perisperm
- Constituents of aril
- Formed from caruncle
Answer: 1
19. Which is an albuminous seed
- Gram
- Castor
- Maize
- Both B and C
Answer: 4
20. The remnants of nucellus present in the seed constitute
- Endosperm
- Endocarp
- Perisperm
- Aril
Answer: 3
21. Cotyledon is absent in
- Polygonum
- Cuscuta
- Santalum
- Shorea
Answer: 2
22. The plant in which hypocotyls stores food is
- Bertholettia
- Nymphaea
- Cotton
- Rice
Answer: 1
23. A dicot albuminous seed is
- Pea
- Castor
- Bean
- Gram
Answer: 2
24. A dicot exalbuminous seed is
- Pea
- Castor
- Rice
- Wheat
Answer: 1
25. In Maize, a tubular sheath covers the plumule. It is
- Fleshy
- Leathery
- Papery
- Green
Answer: 3
26. In Maize, a tubuler sheath covers the plumule. It is
- Coleoptiles
- Coleorhiza
- Mesocortyl
- Scutellum
Answer: 1
27. Aleurone is
- Outer layer of scutellum in contact with endosperm
- Layer of pericarp specialized in absorption of water
- Layer present in the ovule that guides pollen tube
- Layer present on the outside of endosperm and having protein grains
Answer: 4
28. Seed of Black Pepper is
- Endospermic
- Exalbuminous
- Acotyledonous
- Perispermic
Answer: 4
29. Coleorhizae is
- Covering of radicle
- Covering of plumule
- Plumule and rudimentary sheath
- Radicle and root cap
Answer: 1
30. Aleurone layer takes part in
- Protection of delicate embryo
- Enzyme synthesis
- Transfer of food to cotyledons
- Transfer of food from cotyledons to embryo tips
Answer: 2
31. Which one is a monocotyledonous seed
- Pisum sativum
- Cicer arietinum
- Dolichos lablab
- Triticum aestivum
Answer: 4
32. A spongy white bilobed structures present at the narrow tip of Castor seed is
- Strophiole
- Caruncle
- Raphe
- Remains of chalaza
Answer: 2
33. The function of caruncle is to
- Protect the radicle end of embryo
- Check entry of pathogens through micropyle
- Protect against mechanical injury
- Absorb water and its inward transfer through micropyle
Answer: 4
34. Seeds are required for fruit growth
- Throughout
- Early phase
- Late phase
- Mid phase
Answer: 2
35. A seed which does not possess micropyle and hilum is
- Pea
- Gram
- Castor
- Maize
Answer: 4
36. In Ricinus, the outer white papery covering of endosperm is
- Perisperm/tegmen
- Tigellum
- Strophiole
- Exo-endosperm
Answer: 1
37. Cotyledonary node of embryo lies between
- Hypocotyls and radicle
- Epicotyls and plumule
- Epicotyls and hypocotyls
- Cotyledons and radicle
Answer: 3
38. Seed having the longest viability is
- Chenopodium
- Quercus
- Nelumbo
- Eucalyptus
Answer: 3
39. Viability of the seed is tested with
- Triphenyl tetrazolium chloride
- Indole acetic acid
- Mercuric chloride
- 2, 4-D
Answer: 1
40. A seed cut into two halves and immersed in 0.1% triphenyl tetrazolium chloride solution. Its viability is indicated by development of colouration
- Yellow
- Red
- Blue
- Pink
Answer: 4
41. Freshly liberated seeds of Erianthus hiemalis do not germinate due to
- Occurrence of impermeable seed coat
- Immaturity of embryo
- Occurrence of embryo
- Absence of growth hormones
Answer: 2
42. Freshly shed seeds can germinate immediately under favourable conditions in
- Xanthium
- Pisum sativum
- Zea mays
- Both B and C
Answer: 4
43. Common cause of seed and bud dormancy is presence of
- Ethylene
- Cytokinins
- Abscisic acid
- Both B and C
Answer: 3
44. Seeds of tomato do not germinate in its pulp due to
- Presence of ferulic acid
- Presence of excess salt
- Absence of oxygen
- Presence of ABA
Answer: 1
45. Seed dormancy may be due to
- Permeable seed coat
- Hard impermeable seed coat
- Thin seed coat
- Lack of reserve food
Answer: 2
46. Wheat germ is
- Cotyledon
- Endosperm
- Embryo
- Ovule
Answer: 3
47. The hormone which can break seed dormancy is
- Coumarin
- Ferulic acid
- ABA
- GA
Answer: 4
48. Mechanical injuring of seed coat to break dormancy is called
- Scarification
- Stratification
- Impaction
- Compaction
Answer: 1
49. Thiourea is used in overcoming seed dormancy by
- Chemical scarification
- Counteracting inhibitors
- Inducing cell division
- Develop osmotic pressure
Answer: 2
50. The most important external factor for seed germination is
- Light
- Soil
- Oxygen
- Water
Answer: 4
51. The first process which occurs when the seed is placed in the soil is
- Photosynthesis
- Respiration
- Imbibitions
- Solubilisation of food
Answer: 3
52. Seeds placed deep in the soil do not germinate because they are
- Unable to get sufficient oxygen
- Without sufficient food to bring the seedling the surface
- Under pressure of overlying soil layers
- Unable to get light
Answer: 1
53. During germination, micropyle of seed takes part in
- Forming weak for emergence of radicle
- Absorption of water
- Passage of gases
- Leaching inhibitors
Answer: 2
54.which are the external conditions required for seed germination
- Oxygen, carbon dioxide and suitable temperature
- Oxygen, light and suitable temperature
- Light, moisture and suitable temperature
- Oxygen, moisture and suitable temperature
Answer: 4
55. A seed which does not require oxygen for germination is
- Pea
- Rice
- Typha
- Both B and C
Answer: 4
56. A seed which is unable to germinate in the presence of light is
- Viscum
- Onion
- Bean
- Maize
Answer: 2
57. The seed in which dormancy can be broken by red light is
- Pea
- Gram
- Lettuce
- Castor
Answer: 3
58. Part of the embryo which comes out first during seed germination is
- Radicle
- Plumule
- Epicotyls
- Hypocotyls
Answer: 1
59. Which is not essential for seed germination in most cases
- Oxygen
- Light
- Suitable temperature
- Moisture
Answer: 2
60. Part of the seed which forms the shoot at the time of germination is
- Radicle
- Cotyledons
- Epicotyls
- Plumule
Answer: 4
61. Germination is hypogeal in
- Cotton
- Pea
- Castor
- Bean
Answer: 2
62. Vivipary is seed germination
- In strong light
- Without involving cotyledons
- With cotyledons coming above ground
- While contained inside the fruit
Answer: 4
63. Cotyledons constitute the first pair of leaves in
- Castor
- Maize
- Pea
- Gram
Answer: 1
64. Epigeal germination occurs in
- Pea
- Gram
- Castor
- Maize
Answer: 3
65. Vivipary occurs in
- Mangrove plants
- Alpine plants/Orchids
- Tropical plants/Sea Weeds
- Deserts plants/Vallisneria
Answer: 1