21. Two species with same specific epithet cannot occur in the same genus. if this happens, they are called?
    Question grade : 1

21/100
Synonym
Homonyms
Tutonyms
None of above

22. _ is the specimen designated by the author as type specimen?
    Question grade : 1

22/100
Holotype
Isotype
Syntype
Paratype

23. Binomial Nomenclature was introduced by?
    Question grade : 1

23/100
AB de varies
Carl Linnaeus
Aristotle
Theopharastus

24. In maize, sugar cane, bamboo and many palms________roots exists?
    Question grade : 1

24/100
Prop-roots
stilt roors
Aerating roots
Aerial roots

25. Rice is aP___________________?
    Question grade : 1

25/100
Annuals
Biennials
Perennials
All of above

26. Ipomea is _?
    Question grade : 1

26/100
Stipulate
Exstipulate
Both A and B
None of these

27. The arrangement of leaves on stem is called?
    Question grade : 1

27/100
Parataxix
Phyllotaxix
Unicostate
Multiicostate

28. The fruit of Brassicaceae is?
    Question grade : 1

28/100
Siliquaa
Achhene
Nut
None of these

29. The increase in the thickness of the plants is due to?
    Question grade : 1

29/100
Primary growth and apical meristem
Secondary growth and Lateral meristem
Secondary growth and intercalary meristem
All of above

30. Casparian strips are found in____________?
    Question grade : 1

30/100
Epidermis
Endodermis
Periderms
Pericycle

31. Amphivasal vascular bundles are found in?
    Question grade : 1

31/100
Zea and Triticum
Cycas and Dryopteris
Dracaena and Yucca
None of above

32. Paracytic stomata are found in?
    Question grade : 1

32/100
Onion
Potato
Buttercup
All of above

33. The age of tree by counting the annual rings is called?
    Question grade : 1

33/100
Dendrochronology
Dendrography
Ornithology
Palmate growth

34. Kelps is belongs to?
    Question grade : 1

34/100
Red algae
Brown algae

35. Chara is also known as?
    Question grade : 1

35/100
liverwort
Moss
Stonewort
None of above

36. amphigastria is found in?
    Question grade : 1

36/100
Porella
Riccia
Funeria
Adiantum

37. The selagenella is?
    Question grade : 1

37/100
Homosporous
Heterosporous
Both A and B
None of above

38. The sporocarp is found in?
    Question grade : 1

38/100
Mardellia
Adiantum
Selaginella
Both A and B

39. Sagu is obtained from?
    Question grade : 1

39/100
Cycus
Pinus
Ephidera
Taxus

40.?
Question grade : 1

40/100
Double fertilization is a characteristics feature of
Gymnosperms
Angiosperms
Tracheophytes
Bryophytes