Which of the following genera is associated with coralloid roots?

(1) Cycas

(2) Taxus

(3) Pinus

(4) Sequoia

Subtopic:  Gymnosperms: I | Gymnosperms |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Match the following selected the correct option.

 

Column - I

 

Column - II

A.

Pteris

(i)

Gymnosperm

B.

Cycas

(ii)

Bryophyte

C. 

Sphagnum     

(iii)   

Algae

D.

Sargassum

(iv)

Pteridophyta

(1) A - (iv), B - (ii), C - (i), D - (iii)

(2) A - (iv), B - (i), C - (ii), D - (iii)

(3) A - (ii), B - (iii), C - (iv), D - (i)

(4) A - (i), B - (iv), C - (iii), D - (ii)

Subtopic:  Algae | Bryophytes | Gymnosperms: I | Pteridophytes | Gymnosperms |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which of the following groups of algae produces algin?

(1) Phaeophyceae and Chlorophyceae

(2) Rhodophyceae and Phaeophyceae

(3) Chlorophyceae and Rhodophyceae

(4) Phaeophyceae only

Subtopic:  Pheophyceae: Brown Algae |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which of the following are homosporous pteridophytes?

I. Selaginella

II. Lycopodium

III. Salvinia

IV. Equisetum

(1) I and IV only

(2) II and III only

(3) II and IV only

(4) III and IV only

Subtopic:  Pteridophytes |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Pick the correct group consisting of all genera exhibiting homospory.

(1) Lycopodium, Psilotum, Selaginella, Equisetum

(2) Equisetum, Pteris, Salvinia, Psilotum

(3) Salvinia, Pteris, Lycopodium, Selaginella

(4) Equisetum, Psilotum, Lycopodium, Pteris

Subtopic:  Pteridophytes |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


In the given diagrams, some of the algae have been labelled as A, B, C, D and E. Choose the correct option to identify these algae.

 

A

B

C

D

E

(1)

Dictyota

Polysi-

phonia 

Porphyra

Fucus

Laminaria

(2)

Porphyra 

Dictyota

Laminaria 

Fucus

Polyspi-

phonia

(3)

Dictyota

Polysi-

phonia

Porphyra

Laminaria

Fucus

(4)

Fucus

Porphyra

Dictyota

Polysi-

phonia 

Laminaria

 

Subtopic:  Chlorophyceae: Green Algae: I | Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Classical Taxonomy is based on

(1) morphological traits

(2) habitat of organisms

(3) similarities and dissimilarities of behaviour

(4) phylogeny

Subtopic:  Classification System: I | Classification System |
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NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Read the following statements reagrding bryophytes and choose the incorrect option.

(1) Gametophytic phase is dominant in life cycle

(2) Fertilisation takes place in presence of water

(3) Zygote undergoes meiosis to produce sporophyte

(4) Sporophyte isphysiologically dependent on gametophyte

Subtopic:  Bryophytes |
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NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


In Cycas

(1) ovlule and microsporangia are present in same sporophyll

(2) micro and megasporophyllus are present in same cone

(3) male cone and megasporophylls are borne on the same plant

(4) male cone and megasporophylls are borne on separate individual plants

Subtopic:  Gymnosperms: I | Gymnosperms |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Gelatin, an important raw material for preparation of photographic emulsion is a by product of

(1) chicken

(2) forest

(3) cattle

(4) fish

Subtopic:  Algae |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: