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Plant Kingdom: Class-XI


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Phycoerythrin is the major pigment in:

NEET-(Oct)2020 plant-kingdom [class-xi]

Correct Option: A   [ Red algae ]

Remark:

Which of the following statements is incorrect about gymnosperms?

NEET-(Oct)2020 plant-kingdom [class-xi]

Correct Option: B   [ Male and female gametophytes are free living ]

Remark:

Male and female gametophytes do not have an independent free living existence in:

NEET-(Oct)2020 plant-kingdom [class-xi]

Correct Option: C   [ Angiosperms ]

Remark:

Which of the following pairs is of unicellular algae?

NEET-(Sept)2020 plant-kingdom [class-xi]

Correct Option: D   [ Chlorella and Spirulina ]

Remark:

From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in:

NEET-2019 plant-kingdom [class-xii]

Correct Option: B   [ Pteridophytes ]

Remark:
Read the following statements and choose the set of correct statements:

In the members of Phaeophyceae,

A. Asexual reproduction occurs usually by biflagellate zoospores.
B. Sexual reproduction is by oogamous method only.
C. Stored food is in the form of carbohydrates which is either mannitol or laminarin.
D. The major pigments found are chlorophyll a, c and carotenoids and xanthophyll.
E. Vegetative cells have a cellulosic wall, usually covered on the outside by gelatinous coating of algin.

Choose the correct answer from the options given below:

NEET-2024 plant-kingdom [class-xi]

Correct Option: D   [ A, C, D and E only ]

Remark: Explanation: NCERT Page No.26, (Topic-3.1.2 Phaeophyceae)
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