Read the following five statements (I to V) and select the option with all correct statements.

I. Mosses and lichens are the first organisms to colonise a bare rock.

II. Selaginella is a homosporous pteridophyte.

III. Coralloid roots in Cycas have VAM.

IV. main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.

V. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

(1) I, III and IV

(2) II, III and IV

(3) I, IV and V

(4) II, III and V

Subtopic:  Bryophytes | Gymnosperms: I | Pteridophytes | Gymnosperms |
 58%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Zygotic meiosis is characteristic of

(1) Marchantia

(2) Fucus

(3) Funaria

(4) Chlamydomonas

Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 55%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

An example of colonial alga is

1. Chlorella

2. Volvox

3. Ulothrix

4. Spirogyra

Subtopic:  Algae |
 91%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Select the mismatch

(1)

Pinus

Dioecious

(2)

Cycas

Dioecious

(3)

Salvinia

Heterosporous

(4)  

Equisetum     

Homosporous
Subtopic:  Examples of Gymnosperms |
 67%
NEET - 2017
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Double fertilisation is exhibited by

(1) gymnosperms

(2) algae

(3) fungi

(4) angiosperms

Subtopic:  General Account of Angiosperms (OLD NCERT) |
 93%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Life cycle of Ectocarpus and Fucus respectively are

(1) Haplontic, Diplontic

(2) Diplontic, Haplodiplontic

(3) Haplodiplontic, Diplontic

(4) Haplodiplontic, Haplontic

Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 76%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Conifers are adapted to tolerate extreme environmental conditions because of

(1) broad hardy leaves

(2) superficial stomata

(3) thick cuticle

(4) the presence of vessels

Subtopic:  Examples of Gymnosperms |
 86%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which one of the following statements is wrong?

(1) Algae increases the level of dissolved oxygen in the immediate environment

(2) Algin is obtained from red algae and carrageen from brown algae

(3) Agar-agar is obtained from Gelidium and Gracilaria

(4) Laminaria and Sargassum are used as food

Subtopic:  Algae |
 86%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In bryophytes and pteriodophytes, transport of male gametes requires

1. insects

2. birds

3. water

4. wind

Subtopic:  Bryophytes | Pteridophytes: Heterospory |
 91%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Select the correct statement.

(1) Salvinia, Ginkgo and Pinus all are gymnosperms

(2) Sequoia is one of the tallest trees

(3) The leaves of gymnosperms are not well adapted to extremes of climate

(4) Gymnosperms are both homosporous and heterosporous

Subtopic:  General Accounts of Gymnosperms: II | Examples of Gymnosperms | Gymnosperms |
 82%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh