Chapter wise NEET Biology MCQs | NEET Plant Kingdom (Class 11) Questions | Online Test No 07
NEET Plant Kingdom | Kingdom Plantae: MCQs Quiz - 7
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Question 1 |
Which one of the following is a correct statement?
Antheridiophores and archegoniophores are present in pteridophytes. | |
Origin of seed habit can be traced in pteridophytes. | |
Pteridophyte gametophyte has a protonemal and leafy stage. | |
In gymnosperms female gametophyte is free-living. |
Question 2 |
Which one of the following is a correct statement?
Fronds are found in Bryophytes. | |
Heterocysts are found in Nostoc. | |
Diatoms produce basidiospores. | |
Multiciliated sperms are found in Angiosperms. |
Question 3 |
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result:
There is high degree of sterility | |
There is no change in success rate of fertilization | |
Self fertilization is prevented | |
One can conclude that the plant is apomictic |
Question 4 |
Cycas and Adiantum resemble each other in having:
Cambium | |
Vessels | |
Seeds | |
Motile Sperms |
Question 5 |
In which of the following, all listed genera belong to the same class of algae
Porphyra, Ectocarpus, Ulothrix | |
Volvox, Spirogyra, Chlamydomonas | |
Chara, Fucus, Polysiphonia | |
Sargassum, Laminaria, Gracillaria |
Question 6 |
In a moss the sporophyte
Arises from a spore produced from the gametophyte | |
produces gametes that given rise to the gametophyte | |
is partially parasitic on the gametophyte | |
Manufactures food for itself, as well as for the gametophyte |
Question 7 |
Algae have cell wall made up of
Hemicellulose, pectins and proteins | |
Cellulose, galactans and mannans | |
Cellulose, hemicellulose and pectins | |
Pectins, cellulose and proteins |
Question 8 |
Mosses and ferns are found in moist and shady places because both :
depend for their nutrition on micro-organisms which can survive only at low temperature | |
do not need sunlight for photosynthesis | |
require presence of water for fertilization | |
cannot compete with sun-loving plants |
Question 9 |
In gymnosperms, the pollen chamber represents:
A cavity in the ovule in which pollen grains are stored after pollination | |
A cell in the pollen grain in which the sperms are formed | |
The microsporangium in which pollen grains develop | |
An opening in the megagametophyte through which the pollen tube approaches the egg |
Question 10 |
If you are asked to classify the various algae into distinct groups, which of the following characters you should choose?
Nature of stored food materials in the cell | |
Types of pigments present in the cell | |
Chemical composition of the cell wall | |
Structural organization of thallus |
Question 11 |
Sexual reproduction in Spirogyra is an advanced feature because it shows:
Morphologically different sex organs | |
Same size of motile sex organs | |
Different size of motile sex organs | |
Physiologically differentiated sex organs |
Question 12 |
Spore dissemination in some liverworts is aided by :
Indusium | |
Elaters | |
Peristome teeth | |
Calyptra |
Question 13 |
Identify the alga known for a biological activity called bioluminescence.
Spirogyra | |
Noctiluca | |
Cyclotella | |
Chlorella |
Question 14 |
Which of the following groups of algae do not have eukaryotic organization?
Blue green algae | |
Green algae | |
Golden brown algae | |
Red algae |
Question 15 |
Assertion: Red algae contribute in producing coral reefs.
Reason: Some red algae secrete and deposit calcium carbonate over their walls.
Both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. | |
Both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion. | |
Assertion is true but the Reason is false. | |
Assertion is false but the Reason is true. |
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in moss sporophyte is independent of gametophyte. it is semiparasite
It’s because of heterospory developed first in pteridophytes.