Plant Tissue Culture MCQ
1. The ploidy level of endosperm is
( a ) haploid
( b ) diploid
( c ) triploid
( d ) None of these
Ans. c
2. Major types of endosperms are
( a ) 2
( b ) 3
( c ) 6
( d ) 8
Ans. b
3. Which of the following types of endosperm is found in 25 % of angiosperms ?
( a ) Cellular
( b ) Nuclear
( c ) Helobial
( d ) All of these
Ans. a
4. During nuclear type of endosperm development , primary endosperm mother cell divide by
( a ) mitosis
( b ) meiosis
( c ) free nuclear division
( d ) Both ( a ) and ( b )
Ans. c
5. Which of the following types of endosperm is found in Datura ?
( a ) Nuclear
( b ) Cellular
( c ) Helobial
( d ) None of these
Ans. c
6. Acer , Lomatia and Calotropis have which of the following ?
( a ) Cellular
( b ) Nuclear
( c ) Helobial
( d ) Both ( b ) and ( c )
Ans. b
7. Which of the following type of endosperm is common in monocots ?
( a ) Helobial
( b ) Cellular
( c ) Nuclear
( d ) None of these
Ans. a
8. In cereals , the cells of the outermost layer of the endosperm becomes morphologically and physiologically specialised and form a layer of cells called
( a ) perisperm
( b ) tapetum
( c ) aleurone layer
( d ) All of these
Ans. c
9. Asphodelus shows which type of endosperm ?
( a ) Cellular
( b ) Nuclear
( c ) Helobial
( d ) None of these
Ans. c
10. In nuclear division , the nuclei after free division arranged themselves towards ….. of embryo sac .
( a ) center
( b ) periphery
( c ) Both ( a ) and ( b )
( d ) None of these
Ans. b
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11. Milky water of green coconut is liquid
( a ) nucellus
( b ) of female gametophyte
( c ) endosperm
( d ) chalaza
Ans. c
12. The aleurone layer of endosperm in monocot seed is related to
( a ) growth of endosperm
( b ) digestion of reserve food of endosperm
( c ) store the food of endosperm
( d ) formation of endosperm
Ans. b
13. Nuclear endosperm is found in which of the following ?
( a ) Adoxa
( b ) Datura
( c ) Citrus
( d ) Asphodelus
Ans. c
14. Endosperm of angiosperms is produced after the fertilisation of male gamete with
( a ) synergids
( b ) secondary nucleus
( c ) ospore
( d ) antipodals
Ans. b
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15. In Oenothera , the ploidy level of endosperm is
( a ) 2n
( b ) 3n
( c ) 4n
( d ) n
Ans. a
16. Double fertilisation in angiosperms results in the formation of
( a ) embryo
( b ) endosperm
( c ) Both ( a ) and ( b )
( d ) None of these
Ans. c
17. Double fertilisation in angiosperm was discovered by whom ?
( a ) Nawaschin
( b ) Nageli
( c ) Darwin
( d ) None of these
Ans. a
18. Development of an endosperm occurs in
( a ) pollen sac
( b ) ovule
( c ) embryo sac
( d ) locule
Ans. c
19. Three types of endosperm are cellular , nuclear and
( a ) celluloid
( b ) helobial
( c ) Both ( a ) and ( b )
( d ) All of these
Ans. b
20. Which of the following is an intermediate type of endosperm ?
( a ) Cellular
( b ) Nuclear
( c ) Helobial
( d ) None of the above
Ans. c
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21. An endosperm having irregular boundaries is termed as
( a ) nuclear
(b) cellular
( c ) helobial
( d ) ruminate
Ans. d
22. Endosperm is generally
( a ) diploid
( b ) triploid
( c ) haploid
( d ) polyploid
Ans. b
23. The maximum ploidy seen in the secondary nucleus is
( a ) 7n
( b ) 14n
( c ) 15n
( d ) 10n
Ans. b
24. The term Xenia denotes the effect of pollen on the
( a ) endosperm
( b ) egg
( c ) nucellus
( d ) seed coat
Ans. a
25. Endosperm in angiosperms results after fertilisation form
( a ) zygote
( b ) secondary nucleus
( c ) antipodals
( d ) synergids
Ans. b
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26. Aleurone layer is present in
( a ) the peripheral part of endosperm
( b ) the peripheral part of scutellum
( c ) the peripheral part of coleoptile
( d ) the peripheral part of cotyledons
Ans. a
27. The aleurone layer of endosperm in monocot seed is related to
( a ) growth of endosperm
( b ) digestion of reserve food of embryo
( c ) store the food of endosperm
( d ) formation of endosperm
Ans. b
28. In which of the following helobial endosperm occurs ?
( a ) Acalypha
( b ) Cocos
( c ) Cannabis
( d ) Adoxa
Ans. b
29. The structure which can show the effect of traits brought by the male gamete immediately after its formation is
( a ) embryo
( b ) cotyledons
( c ) endosperm
( d ) plumule
Ans. c
30. Free nuclear divisions are characteristic of
( a ) cellular endosperm
( b ) nuclear endosperm
( c ) helobial endosperm
( d ) Both ( b ) and ( c )
Ans. d
