Free Plant Kingdom (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Plant Kingdom (Daily Quiz: 14) Time:

Question-1

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses

(a)

(b)

(c)

(d)


Question-2

Neck canal cells are absent in archegonia of –

(a)

(b)

(c)

(d)


Question-3

Moss peat is used as a packing material for sending flowers and live plants to distant places because

(a)

(b)

(c)

(d)

Explanation:

Answer: (d)

Species of Sphagnum, a moss, provides peat that have long been used as a packing material for sending flowers and live plants to distant places because it is hygroscopic.


Question-4

Which one pair of examples will correctly represent the grouping spermatophyta according to one of the schemes of classifying plants ?

(a)

(b)

(c)

(d)

Explanation:

Answer: (d)

Spermatophyta includes seed bearing plants and this includes gymnosperms and angiosperms. Acacia and sugarcane both are angiosperms. Pinus and Cycas both are gymnosperms. Rhizopus belongs to Kingdom Fungi and Tritcum is an angiosperm. Ginkgo is gymnosperm and Pisum is an angiosperm. So Ginkgo and Pisum correctly represent the grouping spermatophyta.


Question-5

Ulothrix filaments produce

(a)

(b)

(c)

(d)

Explanation:

Answer: (c)

Ulothrix belongs to Class Chlorophyceae of Division Thallophyta. The plant body consists of an unbranched filament, consisting of numerous cylindrical cells joined end to end. It is heterothallic and sexual reproduction is of isogamous type. Except holdfast each cell of the filament can give rise to 64 to 128 gametes. The gametes are similar in size, shape and other features. So these gametes are called isogametes. When two gametes of (+) and (–) strain come together they fuse and a quadriflagellate zygospore is formed.


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