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One of the main evolutionary features of the alternation of generations from algae to flowering plants is

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Important Questions on Plant Kingdom

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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Which of the following does not show diplontic life cycle?
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Zygotic meiosis is characterstic of
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Life cycle of Ectocarpus and Fucus respectively are:
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants

Based on the following characteristics of life cycles identify and arrange the plants respectively.

A) Haplontic i) Laminaria
B) Diplo-haplontic ii) Volvox
C) Haplo-diplontic iii) Polysiphonia
D) Diplobiontic iv) Salvinia
E) Diplontic v) Fucus
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Which of the following is correct with respect to diplohaplontic life cycle?
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Which of the following have haploid plant body in most of organisms?
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Consider the following statements.
A. Independent one-celled or many-celled gametophytes.
B. Multicellular dependent sporophyte.
C. One or few celled dependent gametophytes.
D. Reduced sporophyte as 1-celled structure.
These statements are correct for which group of plants?
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Which one of the following option correctly represents the type of life cycle patterns?

Question Image
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Spirogyra has a
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
In the haplontic life cycle of many algae:
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Which pattern of life cycle is exhibited in bryophyte and pteridophyte?
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Consider the following four statements. Which of the following statements are incorrect?

(A) The sporophyte in liverworts is more elaborate than in mosses.
(B) Salvinia is heterosporous.
(C) The life cycle of all seed-bearing plants are diplontic.
(D) In Pinus, male and female cones are borne on different trees.
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Assertion: Spirogyra shows haplontic life cycle.
Reason: Zygotic meiosis occurs in Spirogyra.
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
In Pteridophytes, reduction division occurs when:
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Two distinct generations in a single life history are common in
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants

Which of these have diplontic life cycle?

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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Formation of a sporophyte from gametophyte and vice versa is termed as
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Following pairs are given, find the option which have correct pairs.

A. Femur - Longest bone in human body.

B. Coxal - Formed by the fusion of three bones ilium, ischium and pubis.

C. Hyoid - A single U-shaped bone at the base of buccal cavity.

D. Scapula - Large triangular flat bone situated in the ventral part of the thorax between the second andseventh rib.

E. Occipital bone - Possess obturator foramen for the exit of spinal cord.
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Cotyledons are also called-
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Biology>Diversity in The Living World>Plant Kingdom>Life Cycles in Plants
Distinct alternation of generation is found in