Q.1.
In which one of the following, the male and female gametophytes don’t have free-living independent existence?
Q.2.
Which one of the following is considered important in the development of seed habit?
Q.3.
Which one of the following is a vascular cryptogam?
Q.4.
The class of algae in which zygotic meiosis does not occur?
Q.5.
Consider the following statements ((i) – (iv)): (i) In both bryophytes and pteridophytes, Gametophytic generation has independent free living existence. (ii) Megasporophyll of Cycas is equivalent to the stamen of angiosperms. (iii) Sexual reproduction in Spirogyra is carried out by motile gametes. (iv) The fungus often studied in experimental genetics and is also called as “Drosophila of plant kingdom”, belongs to class Basidiomycetes. Which of the above statements is/are correct?
Q.6.
The characteristic which Linnaeus considered for classification of plants:
Q.7.
How does Bentham and Hooker’s classification differ from that of Linnaeus?
Q.8.
Which of the following is wrong about Numerical taxonomy?
Q.9.
Algae present in sloth bear:
Q.10.
Microscopic unicellular algae:
Q.11.
Colonial form of algae:
Q.12.
The filamentous forms of algae:
Q.13.
Which of the following are not true regarding the prothallus of pteridophytes? (i) Dependent on sporophyte. (ii) Mostly they are unicellular rarely multicellular. (iii) Product of syngamy. (iv) They produce sex organs – antheridia and archegonia. (v) They have photosynthetic light harvesting pigments.
Q.14.
hich of the following is an aquatic fern?
Q.15.
Observe the diagram carefully and identify the part labelled
unit-1_ch-6_que_no-110_img_no1.png
Q.16.
Deep in the tropical rain forest, a botanist discovered an unusual plant with vascular tissues, stomata, a cuticle, flagellated sperm, cone like reproductive structures bearing seeds, and an alternation-of-generations life cycle. He was very excited about this discovery because it would be rather unusual for a plant to have both:
Q.17.
A universal feature of the life cycle of plants is:
Q.18.
Angiosperms have dominated the land flora primarily because of their:
Q.19.
In angiosperms, a mature male gametophyte is derived from a pollen mother cell by:
Q.20.
If you are asked to classify the various algae into distinct groups then which of the following characters you should choose for the classification?
Q.21.
Protonema:
Q.22.
The spreading of living pteridophytes is limited and restricted to narrow geographical region because:
Q.23.
Which one of the following is termed as walking fern?
Q.24.
Mosses are of great ecological importance because of:
Q.25.
You are given an unknown plant to study in the laboratory. You find that it has chlorophyll, no xylem. Its multicellular sex organs are enclosed in a layer of jacket cells. Its gametophyte stage is free living. The plant probably belongs to;
Q.26.
If there are 4 cells in anther, what will be the number of pollen grains?
Q.27.
Bryophytes are different from fungi in having:
Q.28.
A research student collected certain alga and found that its cells contained both chlorophyll a and chlorophyll d as well as phycoerythrin on the basis of his observation the students conclude that the alga belongs to:
Q.29.
Fruits are not formed in gymnosperms because of:
Q.30.
Match column-I with column-II and choose the correct option.
Column I Column II
a. Amphibians of plant kingdom I. Sphagnum
b. Specialised structure in liverworts for asexual reproduction II. Angiosperms
c. Monocotyledons and dicotyledons III. Bryophytes
d. A plant which has high water holding capacity. IV. Gemmae