NCERT Class 11- Biology: Exemplar Chapter – 3 Plant Kingdom Part 1
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Multiple Choice Questions
Question 1:
Cyanobacteria are classified under
a. Protista
b. Plantae
c. Monera
d. Algae
Answer: (a)
Question 2:
Fusion of two gametes which are dissimilar in size is termed as
a. Oogamy
b. Isogamy
c. Anisogamy
d. Zoogamy
Answer: (c)
Question 3:
Holdfast, stipe and frond constitutes the plant body in case of
a. Rhodophyceae
b. Chlorophyceae
c. Phaeophyceae
d. All of the above
Answer: (c)
Question 4:
A plant shows thallus level of organization. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to
a. Pteridophytes
b. Gymnosperms
c. Monocots
d. Bryophytes
Answer: (d)
Question 5:
A Prothallus is
a. A structure in pteridophytes formed before the thallus develops
b. A sporophytic free living structure formed in pteridophytes
c. A gametophyte free living structure formed in pteridophytes
d. A primitive structure formed after fertilization in pteridophytes
Answer: (c)
Question 6:
Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference is
a. Monocots
b. Dicots
c. Pteridophytes
d. Gymnosperms
Answer: (d)
Question 7:
The embryo sac of an Angiosperm is made up of
a. 8 cells
b. 7 cells and 8 nuclei
c. 8 nuclei
d. 7 cells and 7 nuclei
Answer: (b)
Question 8:
If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm?
a. 36
b. 18
c. 54
d. 72
Answer: (c)
Question 9:
Protonema is
a. Haploid and is found in mosses
b. Diploid and is found in liverworts
c. Diploid and is found in pteridophytes
d. Haploid and is found in pteridophytes
Answer: (a)