Which of the following is incorrect about Cyanobacteria?

1. They are photoautotrophs

2. They lack heterocysts

3. They often form blooms in polluted water bodies

4. They have chlorophyll similar to green plants

Subtopic:  Kingdom Monera: Blue Green Algae |
 79%
From NCERT
NEET - 2020
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Phycoerythrin is the major pigment in:
1. Red algae
2. Blue-green algae
3. Green algae
4. Brown algae

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 85%
From NCERT
NEET - 2020
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Which of the following statements is incorrect about gymnosperms?

1. They are heterosporous

2. Male and female gametophytes are free-living

3. Most of them have narrow leaves with thick cuticles

4. Their seeds are not covered

Subtopic:  Gymnosperms |
 75%
From NCERT
NEET - 2020
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Male and female gametophytes do not have an independent free-living existence in:

1. Pteridophytes

2. Algae

3. Angiosperms

4. Bryophytes

Subtopic:  General Account of Angiosperms (OLD NCERT) |
 65%
From NCERT
NEET - 2020
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Which of the following options correctly represent the characteristic features of phylum Annelida?

1. Triploblastic, unsegmented body, and bilaterally symmetrical.
2. Triploblastic, a segmented body, and bilaterally symmetrical.
3. Triploblastic, flattened body, and acoelomate condition.
4. Diploblastic, mostly marine and radially symmetrical.

Subtopic:  Phylum Annelida |
 87%
From NCERT
NEET - 2020
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Match the following group of organisms with their respective distinctive characteristics and select the correct option:

Organisms

Characteristics

(a)

Platyhelminthes

(i)

Cylindrical body with no segmentation

(b)

Echinoderms

(ii)

Warm blooded animals with direct development

(c)

Hemichordates

(iii)

Bilateral symmetry with incomplete digestive system

(d)

Aves

(iv)

Radial symmetry with indirect development

 
Options: (a) (b) (c) (d)
1. (iii) (iv) (i) (ii)
2. (ii) (iii) (iv) (i)
3. (iv) (i) (ii) (iii)
4. (i) (ii) (iii) (iv)

Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Echinodermata | Phylum Hemichordata | Study of Aves & Mammals |
 85%
From NCERT
NEET - 2020
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Match the following columns and select the correct option :

Column I Column II
(a) Aptenodytes  (i) Flying fox
(b) Pteropus  (ii) Angel fish
(c) Pterophyllum  (iii) Lamprey
(d) Petromyzon  (iv) Penguin

    

Options: (a) (b) (c) (d)
1. (iii) (iv) (ii) (i)
2. (iii) (iv) (i) (ii)
3. (iv) (i) (ii) (iii)
4. (ii) (i) (iv) (iii)

Subtopic:  General Introduction: Vertebrates & Agnatha | Comparative study of Cartilagenous & Bony Fishes | Study of Aves & Mammals |
 79%
From NCERT
NEET - 2020
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All vertebrates are chordates but all chordates are not vertebrates, why?

1.  Notochord is replaced by a vertebral column in the adults of some chordates.
2. The ventral hollow nerve cord remains throughout life in some chordates.
3. All chordates possess a vertebral column.
4. All chordates possess notochords throughout their lives. 

Subtopic:  Phylum Chordata |
 82%
From NCERT
NEET - 2020
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Correct position of floral parts over thalamus in the mustard plant is:

1. Gynoecium occupies the highest position, while the other parts are situated below it.
2. Margin of the thalamus grows upward, enclosing the ovary completely, and other parts arise below the ovary.
3. Gynoecium is present in the center and other parts cover it partially.
4. Gynoecium is situated in the center, and other parts of the flower are located at the rim of the thalamus, at the same level.

Subtopic:  Flower & Parts of Flower |
 82%
From NCERT
NEET - 2020
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Which of the following is the correct floral formula of Liliaceae?
 

1.
2.
3.
4.

Subtopic:  Families of Flowering Plant: I | Families of Flowering Plant: II | Families of Flowering Plant |
 86%
From NCERT
NEET - 2020
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