61. Staminal tube is found in

A Nicotiana
B Aaparagus
C Hibiscus
D Pea
Answer :   Hibiscus
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62. Proximal end of the filament of stamen is attached to the

A Anther
B Connective
C Placenta
D Thalamus or petal
Answer :   Thalamus or petal
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63. Juicy hair - like structures observed in the lemon fruit develop from

A mesocarp and endocarp
B exocarp
C mesocarp
D endocarp
Answer :   endocarp
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64. Seeds which are used as Jweller's weight

A Xanthium
B Abrus precatorius
C Calotropis
D Thespasia
Answer :   Abrus precatorius
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65. What is eye of potato?

A Axillary bud
B Acessory bud
C Adventitious bud
D Apical bud
Answer :   Axillary bud
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66. Placentation in ' Brasicaceae' is

A Parietal
B Marginal
C Axile
D Basal
Answer :   Parietal
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67. Pineapple (ananas) fruit develops from

A a multipistillate syncarpous flower
B a cluster of compactly borne flowers on a common axis
C a multilocular monocarpellary flower
D a unilocular polycarpellary flower
Answer :   a cluster of compactly borne flowers on a common axis
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68. Blue dye is obtained from the leaves of

A Indigofera tinctoria
B Opium
C Aloe
D Delbergia sissoo
Answer :   Indigofera tinctoria
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69. The wheat grain has an embryo with one, large, shield-shaped cotyledon known as:

A Coleorrhiza
B Scutellum
C Coleoptile
D Epiblast
Answer :   Scutellum
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70. Main function of leaf is

A Manufature of food
B Exchange of gases
C A and B both
D None of the above
Answer :   Manufature of food
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