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 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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 |
 87%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

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 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

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 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Chromatophores take part in

(1) photosynthesis

(2) growth

(3) movement

(4) respiration

Subtopic:  Classification System: II | Classification System |
 77%
NEET - 2015
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Which one of the following shows isogamy with non-flagellated gametes?

(1) Sargassum

(2) Ectocarpus

(3) Ulothrix

(4) Spirogyra

Subtopic:  Algae |
 81%
From NCERT
NEET - 2014
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Which of the following is responsible for peat formation?

(1) Marchantia

(2) Riccia

(3) Funaria

(4) Sphagnum

Subtopic:  Bryophytes |
 85%
From NCERT
NEET - 2014
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Male gametophyte with least number of cells is

(1) Pteris

(2) Funaria

(3) Lilium

(4) Pinus

Subtopic:  General Account of Angiosperms (OLD NCERT) |
NEET - 2014
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Select the wrong statement.

(1) Isogametes are similar in structure, function and behaviour

(2) Anisogametes differ either in structure, function and behaviour

(3) In oomycetes female gamete is smaller and motile, while male gamete is larger and non-motile

(4) Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy

Subtopic:  Algae |
 83%
From NCERT
NEET - 2013
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Isogamous condition with non-flagellated gametes is found in

1. Chlamydomonas

2. Spirogyra

3. Volvox

4. Fucus

Subtopic:  Algae |
 87%
From NCERT
NEET - 2013
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch