NEET NCERT Biology plant kingdom mock mcqs,Chapter wise grand tests

Plant Kingdom Mock Exam-19

Question No:1

Which alga shows diplontic life cycle?

[A] Chara
[B] Fucus
[C] Ectocarpus
[D] Polysiphonia



Question No:2

How many organisms show haplodiplontic life cycle?
Sphagnum, Volvox, Ulothrix, Marchantia, Polytrichum, Selaginella, Pinus, Cedrus, Ectocarpus, Polysiphonia

[A] 8
[B] 6
[C] 7
[D] 9



Question No:3

How many organisms show diplontic life cycle?
Selaginella, Equisetum, Cycas, Cedrus, Ectocarpus, Fucus, Sequoia

[A] 7
[B] 5
[C] 4
[D] 6



Question No:4

Which of the organisms show haplontic life cycle?

[A] Chlamydomonas, volvox
[B] Ectocarpus, Polysiphonia
[C] Fucus
[D] All



Question No:5

In diplontic life cycle gametogenesis takes place by

[A] mitosis
[B] meiosis
[C] both
[D] neither mitosis nor meiosis



Question No:6

Gametogenesis in organism showing haplontic life cycle takes place in

[A] mitosis
[B] meiosis
[C] both
[D] amitosis



Question No:7

Assertion: The earliest systems of classification used only superficial morphological characters.
Reason: Artificial system gave equal weight age to vegetative and sexual characteristics.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] if both the assertion and reason are false



Question No:8

Assertion: Cytotaxonomy is based on cytological information like chromosome number, structure and behaviour.
Reason: Chemotaxonomy that uses the chemical constituents of the plants.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] if both the assertion and reason are false



Question No:9

Assertion: In some species of Chlamydomonas the fusion of gamete is termed as anisogamous.
Reason: Because gametes which undergo fusion in these species are of dissimilar in size.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] if both the assertion and reason are false



Question No:10

Assertion: Bryophytes are called amphibian of plant kingdom.
Reason: These plants live in soil but dependent on water for sexual reproduction.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] if both the assertion and reason are false



Question No:11

Assertion: Mosses along with lichens are the first organisms to colonise rocks.
Reason: They decompose rocks by secreting acid substances.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] if both the assertion and reason are false



Question No:12

Assertion: Pteridophytes are used for medicinal purposes and soil binders.
Reason: They are first terrestrial plants to possess vascular tissues.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] if both the assertion and reason are false



Question No:13

Assertion: Only red algae are able to flourish at the great depth of sea.
Reason: Red algae has the pigments r phycoerythrin and r-phycocyanin.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] if both the assertion and reason are false



Question No:14

Assertion: Gymnosperms are heterosporous.
Reason: They produce haploid microspores and megaspores.

[A] If both the assertion and the reason are true and the reason is a correct explanation of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] if both the assertion and reason are false