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NEET CRASH COURSE PAPER -2 | Plant Kingdom
1. Phylogenetic system of classification is based on
( a ) morphological features
( b ) chemical constituents
( c ) floral characters
( d ) evolutionary relationships .
2. Name the fern whose leaf tip produces roots when it touches the soil and is known as ' walking fern ' .
( a ) Dryopteris
( b ) Adiantum
( c ) Pteris
( d ) Nephrolepis
3. Read the following statements and identify the correct options given .
( A ) Angiosperms range in size from microscopic Wolffia to tall trees of Eucalyptus .
( B ) In angiosperms , the seeds are enclosed by fruits .
( C ) Double fertilisation is an event unique to angiosperms .
( D ) In angiosperms , each cell of an embryo sac is diploid .
( E ) In angiosperms , the zygote develops into an endosperm . Of the above statements
( a ) ( A ) , ( B ) and ( D ) alone are correct .
( b ) ( A ) , ( B ) and ( E ) alone are correct .
( c ) ( A ) , ( B ) and ( C ) alone are correct .
( d ) ( B ) , ( C ) and ( D ) alone are correct .
4. Isogamous condition with non - flagellated gametes is found in
( a ) Volvox
( b ) Fucus
( c ) Chlamydomonas
( d ) Spirogyra .
5. Which one of the following is a characteristic feature of chrysophytes ?
( a ) They are parasitic forms which cause diseases in animals .
( b ) They have a protein rich layer called pellicle .
( c ) They have indestructible wall layer deposited with silica .
( d ) They are commonly called dinoflagellates .
6 . Of the following groups which secrete and deposit calcium carbonate and appear like corals ?
( a ) Red algae
( b ) Brown algae
( c ) Blue green algae
( d ) All of these
7. Match Column - I with Column - II and select the correct option .
Column - I Column - II
( Type of chloroplast ) ( Algae )
A. Cup shaped ( Algae ) 1. Ulothrix
B. Girdle shaped 2. Oedogonium
C. Stellate 3. Chlamydomonas
D. Reticulate 4 . Zygnema
( a ) A - 2 , B - 4 , C - 3 , D - 1
( b ) A - 3 , B - 1 , C - 4 , D - 2
( c ) A - 3 , B - 4 , C - 2 , D - 1
( d ) A - 4 , B - 3 , C - 1 , D - 2
8. What is common in all the three , Funaria , Dryopteris and Ginkgo ?
( a ) Presence of archegonia
( b ) Well developed vascular tissues
( c ) Independent gametophyte
( d ) Independent sporophyte
9. Smooth and pegged rhizoids are present in the gametophytes of
( a ) Hepaticopsida
( b ) Anthocerotopsida
( c ) Bryopsida
( d ) Pteropsida .
10 . The integument of Cycas ovule is hard on account of
( a ) testa
( b ) tegmen
( c ) sclerotesta
( d ) sarcotesta .
11. The gametophyte is not an independent , free - living generation in
( a ) Polytrichum
( b ) Adiantum
( d ) Pinus.
( c ) Marchantia
12. Gymnosperms are also called soft wood spermatophytes because they lack
( a ) cambium
( b ) phloem fibres
( c ) thick - walled tracheids
( d ) vessels .
13. The beautiful diatoms and desmids are placed under
( a ) chrysophytes
( b ) dinoflagellates
( c ) euglenoids
( d ) slime moulds.
14. Prothallus ( gametophyte ) gives rise to fern plant ( sporophyte ) without fertilisation . It is
( a ) apospory
( b ) apogamy
( c ) parthenocarpy
( d ) parthenogenesis .
15. Which one of the following is not common between Funaria and Selaginella ?
( b ) Embryo
( d ) Roots
( c ) Flagellate sperms
16. The pyrenoids are made up of
( a ) proteinaceous centre and starchy sheath
( b ) core of nucleic acid surrounded by protein sheath
( c ) core of protein surrounded by fatty sheath
( d ) core of starch surrounded by sheath of protein .
17. Peat moss is used as a packing material for sending flowers and live plants to distant places because
( a ) it serves as a disinfectant
( b ) it is easily available
( c ) it is hygroscopic
( d ) it reduces transpiration .
18. Examine the figures A , B , C and D. In which one of the four options all the items A , B , C and D are correct ?
A B C D
( a ) Chara Marchantia Fucus Pinus
( b ) Equisetum Ginkgo Selaginella Lycopodium
( c ) Selaginella Equisetum Salvinia Ginkgo
( d ) Funaria Adiantum Salvinia Riccia
19. Read the following five statements ( A - E ) and answer as asked next to them ( A ) In Equisetum , the female gametophyte is retained on the parent sporophyte . ( B ) In Ginkgo , male gametophyte is not independent .
( C ) The sporophyte in Riccia is more developed than that in Polytrichum .
( D ) Sexual reproduction in Volvox is isogamous .
( E ) The spores of slime moulds lack cell walls .
How many of the above statements are correct ?
( a ) Two
( b ) Three
( c ) Four
( d ) One
20. In which of the following , reproductive structures lack a layer of sterile vegetative cells surrounding the egg ?
( a ) Saccharomyces
( b ) Riccia
( c ) Funaria
( d ) Cycas
21. Which out of the following is a mismatched pair
( a ) Rhodophyceae - Floridean starch phycoerythrin
( b ) Chlorophyceae - Laminarin , Mannitol
( c ) Rhodophyceae - Non - flagellated gametes
( d ) Phaeophyceae - Chlorophyll a and c , fucoxanthin
22. Match items in column I with those in column II and select the correct option . Column I Column II
A. Peritrichous J. Ginkgo flagellation
B. Living fossil K. Macrocystis
C. Rhizophore L. Escherichia coli
D. Smallest flowering M. Selaginella plant
E. Largest perennial N. Wolffia alga
( a ) A - L ; B - J ; C - M ; D - N ; E - K
( b ) A - K ; B - J ; C - L ; D - M ; E - N
( c ) A - N ; B - L, C - K ; D - M ; E - J
( d ) A - J ; B - K ; C - N ; D - L ; E - M
23. Hydroids and leptoids are conducting tissues of
( a ) pteridophytes
( b ) mosses
( c ) algae
( d ) gymnosperms .
24. Which one of the following is a saprophytic bryophyte ?
( a ) Riccia fluitans
( b ) Buxbaumia aphylla
( c ) Funaria hygrometrica
( d ) Sphagnum teres
25. In which of the following plants stomata are not found in the dominant stage of the life cycle ?
( a ) Sphagnum
( b ) Dryopteris
( c ) Lycopodium
( d ) Zamia
26. Cycas has two cotyledons in its seed , yet it is not placed alongwith dicotyledonous angiosperms because
( a ) it has haploid endosperm
( b ) it has dioecious habit
( c ) it has naked ovules
( d ) it has two types of leaves , scaly and foliage .
27. Which of the following options is incorrect ?
( a ) Volvox - Coenobium
( b ) Nostoc - Colony
( c ) Spirogyra - Siphonaceous
( d ) Laminaria - Parenchymatous
28. Select the option which correctly describes the events in life cycle of a fern .
( a ) Spore → Gamete → Prothallus →→ Sporophyte
( b ) Gamete →→ Spore → Prothallus →→ Sporophyte
( c ) Prothallus →→ Sporophyte → Gamete → Spore
( d ) Sporophyte →→ Spore → Prothallus → Gamete
29. Cleavage polyembryony is found in
( a ) Cycas
( b ) Gnetum
( c ) Pinus
( d ) Citrus
30. Diatoms belong to which class ?
( a ) Phaeophyceae
( b ) Bacillariophyceae
( c ) Chlorophyceae
( d ) Xanthophyceae
31. Angiosperms differ from gymnosperms in having
( a ) flower
( b ) fruit
( c ) big seed
( d ) both ( a ) and ( b )
32. A protein rich green alga is
( a ) Chlorella
( b ) Spirulina
( c ) Spirogyra
( d ) Ulothrix .
33. Calyptra is derived from
( a ) antheridia
( b ) columella
( c ) archegonia
( d ) capsule .
34. Biotrophic nutrition is shown by
( a ) humans
( b ) saprophytic plants
( c ) invertebrates
( d ) insectivorous plants
35. Dominant sporophytic stage is present in
( a ) Ulothrix
( b ) Dryopteris
( c ) Chara
( d ) Funaria
36. Gnetum is considered closer to angiosperms than Cycas and Pinus because of
( a ) presence of perianth and two integuments
( b ) post fertilisation development of endosperm
( c ) absence of resin duct and leaf venation
( d ) presence of vessel elements and absence of archegonia .
37. Hormogonia are vegetative reproductive structure present in
( a ) Spirogyra
( b ) Oscillatoria
( c ) Ulothrix
( d ) Chlorella .
38. In Spirogyra lateral conjugation takes place in the cells of
( a ) same filament
( b ) two filaments of same species
( c ) two filaments of different species
( d ) both ( a ) and ( b ) .
39. Compared with the gametophytes of the bryophytes , the gametophytes of vascular plants tend to be
( a ) smaller but to have larger sex organs
( b ) larger but to have smaller sex organs
( c ) larger and to have larger sex organs
( d ) smaller and to have smaller sex organs .
40. Selaginella and Salvinia are considered to represent a significant step toward evolution of seed habit because
( a ) female gametophyte is free and gets dispersed like seeds .
( b ) female gametophyte lacks archegonia .
( c ) megaspores possess endosperm and embryo surrounded by seed coat .
( d ) embryo develops in female gametophyte which is retained on parent sporophyte .
41. Acrocarpous , solitary sporangia are found in
( a ) Opuntia
( b ) Cycas
( c ) Pinus
( d ) Funaria .
42. Which of the following shows aplanetism ?
( a ) Ulothrix
( b ) Spirogyra
( c ) Saprolegnia
( d ) Chlamydomonas .
43. Flowering plants might have originated from
( a ) chlorophyte ancestors
( b ) tracheophyte ancestors
( c ) Rhynia type plants
( d ) Psilophytes .
44. In Dryopteris , the opening mechanism of sporangium is effectively operated by
( a ) stomium
( b ) stalk
( c ) peristome
( d ) rhizoids .
45. Elater mechanism for seed dispersal is exhibited by
( a ) Riccia
( b ) Dryopteris
( c ) Funaria
( d ) Marchantia .
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