9th Class Biology English Medium Online Test For Full Book With Answers

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9th Class Biology English Medium Online Test For Full Book

Sr. # Questions Answers Choice
1 In binary fission of amoeba the offspring lack genetic variation because they. Contain a single chromosome Are limited in number Are produced asexually Are unicellular organism
2 A horizontal underground stem with scale leavers and nodes is called. Corn Tuber Bulb Rhizome
3 The offspring from asexual reproduction i plants are likely to Have the same flower colur as their parent Grow bigger than their parent Develop into a new variety Be more resistant than their parent to disease
4 Spore are produced in a structure known as. Bud Capsule Sporangium Sporangiophore
5 In Bryophyllum, small plantlts that are much lime tiny versions of the parent platn, are created along the. Root tip Stem surface Edges of its leaves All of these
6 Which of the following is compact thickned, vertically growing, underground stem eveloped y thick, succulent leaves, surviving as reservoir of stored nutrients. Corn Bulb Rhizome Stem tuber
7 Which of the followign modes of asexual reproduction generally occurs during unfavorable conditions. Budding Binary fission Spore formation Parthenogenesis
8 Double fertilization involves. Fertilization of egg by two male gametes Fertilization of egg and fusion nucleus by two sperm Fertilization of egg and the tube cell by two sperms Fertilizatin of two eggs in the same embryo sac by two sperms
9 Embryo sac is formed inside. Anther Filament Style Ovule
10 In the life cycel of clowering plants, which structure is triploid (3n)? Egg Sperm Endosperm nucleus Fusion nucleus
11 The male gametphyte in flowering platns is known as. Ovary Carpel Pollen grain Embryo sac
12 Which structure forms the female gametophyte in flowering plants. Sepal Anther Ovule Pollen grain
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