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1800-102-2727- The Plant kingdom is divided into two groups based on their ability to produce seeds. These groups are- Cryptogams (seedless plants) and Phanerogams (seed-bearing plants).
Q1. The reproduction in Algae occurs by
(1) Vegetative
(2) Asexual
(3) Sexual
(4) All of these
Q2. Asexual reproduction is the production of different types of spores. Out of that most common is
(1) Carpospore
(2) Zoospores
(3) Basidiospores
(4) Akinetes
Q3. Select the wrong statement.
(1) Isogametes are similar in structure, function and behavior
(2) Anisogametes differ either in structure, function and behavior
(3) In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile
(4) Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy
Q4. The gemmae produced by some liverworts function as:
(1) A water gathering structure
(2) A light capturing structure
(3) A sexual structure
(4) An asexual structure
Q5. The plant body of moss (Funaria) is
(1) completely sporophyte
(2) predominantly sporophyte with gametophyte
(3) completely gametophyte
(4) predominantly gametophyte with sporophyte
Q6. Which one is correct about heterosporous pteridophytes?
1. Microspore and megaspores develop into the male and the female gametophytes respectively.
2. The female gametophyte is retained on the parent sporophyte for a variable period.
3. The development of the zygote into the embryo takes place within the female gametophyte.
4. All
Q7. Read the following statements carefully and mark the correct w.r.t. gymnosperms
a. Pollen grains are carried by air currents
b. Pollen tube carries the male gametes to archegonia
c. Ovules are exposed before fertilization but get covered after fertilization
d. They produce same type of spores
1. (a,b&d)
2. (a & b)
3. (a&c)
4. (b & d)
Q8. Select the correct statement(s)
1. Only a few bryophytes are heterosporous
2. Double fertilization is unique to angiosperms
3. Strobili are found in Selaginella & Salvinia
4. Female gametophytes of gymnosperm have an independent free-living existence
Q9. Both bryophytes and pteridophytes:
1. are vascular cryptogams
2. have a dominant sporophyte
3. reproduce only sexually
4. are haplo-diplontic
Q10. Consider the following four statements whether they are correct or wrong
(A) The sporophyte in liverworts is more elaborate than that in mosses
(B) Salvinia is heterosporous
(C) The life-cycle in all seed-bearing plants is diplontic
(D) In Pinus male and female cones are borne on different trees
The two wrong statements together are :
1. Statements (A) and (B)
2. Statements (A) and (C)
3. Statements (A) and (D)
4. Statements (B) and (C)
1. (4)
2. (2)
3. (3)
4. (4)
5. (4)
6. (4)
7. (2)
8. (2)
9. (4)
10. (3)