The length of different internodes in a culm of sugarcane is variable because of
(a) shoot apical meristem
(b) position of axillary buds
(c) size of leaf lamina at the node below each internode
(d) intercalary meristem
Difficulty Level:
Replum is present in the ovary of flower of
(1) lemon
(2) mustard
(3) sunflower
(4) pea
Difficulty Level:
The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in
(1) pomegranate
(2) orange
(3) guava
(4) cucumber
Difficulty Level:
Pineapple (annanas) fruit develops from:
(1) a unilocular polycarpillary flower
(2) a multipistillate syncarpous flower
(3) a cluster of compactly borne flowers on a common axis
(4) a multilocular monocarpillary flower
Difficulty Level:
In which of the following fruits is the edible part the aril?
(1) Custard apple
(2) pomegranate
(3) Orange
(4) Litchi
Difficulty Level:
What type of placentation is seen in sweet pea?
(1) Basal
(2) Axile
(3) Free central
(4) Marginal
Difficulty Level:
In a cereal grain the single cotyledon of embryo is represented by:
(1) coleorhiza
(2) scutellum
(3) prophyll
(4) coleoptile
Difficulty Level:
The examples (s) of modified leaves are
(1) tendrils of pea
(2) spines of cacti
(3) pitcher of the pitcher plant
(4) all of the above.
Difficulty Level:
Oil is the prefer energy storing molecule in seeds of several plants, while excess energy in other parts of the plant is stored as starch. This is related to
(1) the requirement of concentrated form of energy in seeds in order to make them light in weight and facilitate their dispersal.
(2) dependence of the seeds totally on the stored fat for germination
(3) protective role of the oil against insect pests
(4) the antioxidant role of the soils
Difficulty Level:
The quiescent centre of growing angiospermic roots of comprises of
(a) slow dividing cells
(b) fast dividing cells
(c) non-dividing cells
(d) dead cells.
Difficulty Level:
© 2020 GoodEd Technologies Pvt. Ltd.