An important characteristic that hemichordates share with chordates is

(1) absence of notochord

(2) ventral tubular nerve cord

(3) pharynx with gill slits

(4) pharynx without gill slits

Subtopic: Ā Phylum Hemichordata |Ā Phylum Chordata |
Ā 59%
NEET - 2017
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Which among these is the correct combination of aquatic mammals?

(1) Seals, Dolphins, Sharks

(2) Dolphins, Seals, Trygon

(3) Whales, Dolphins, Seals

(4) Trygon, Whales, Seals

Subtopic: Ā Study of Aves & Mammals |
Ā 74%
NEET - 2017
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

In case of poriferans, the spongocoel is lined with flagellated cells called

1. ostia

2. oscula

3. choanocytes

4. mesenchymal cells

Subtopic: Ā Phylum Porifera |
Ā 87%
From NCERT
NEET - 2017
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Choose the correct statements.

(1) All mammals are viviparous

(2) All cyclostomes do not possess jaws and paired fins

(3) All reptiles have a three-chambered heart

(4) All Pisces have gills covered by an operculum

Subtopic: Ā General Introduction: Vertebrates & Agnatha |
Ā 74%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which of the following characteristic features always holds true for the corresponding group of animals?

1. Viviparous Mammalia
2. Possess a mouth with an upper and a lower jaw Chordata
3.    3-chambered heart with one incompletely divided ventricle    Reptilia
4. Cartilaginous – endoskeleton Chondrichthyes
Subtopic: Ā Comparative study of Cartilagenous & Bony Fishes |
Ā 76%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which one of the following characteristics is not shared by birds and mammals?

(1) Breathing using lungs

(2) Viviparity

(3) Warm blooded nature

(4) Ossified endoskeleton

Subtopic: Ā Study of Aves & Mammals |
Ā 60%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which of the following features is not present in the phylum – Arthropoda?

(1) Metameric segmentation

(2) Parapodia

(3) Jointed appendages

(4) Chitinous exoskeleton

Subtopic: Ā Phylum Arthropoda |
Ā 79%
From NCERT
NEET - 2016
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Select the taxon mentioned that represents both marine and freshwater species

(1) Echinoderms

(2) Ctenophora

(3) Cephalochordata

(4) Cnidaria

Subtopic: Ā Phylum Coelenterata |
Ā 56%
NEET - 2014
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Which one of the following living organisms completely lacks a cell wall?

(1) Cyanobacteria

(2) Sea-fan (Gorgonia)

(3) Saccharomyces

(4) Blue-green algae

Subtopic: Ā Phylum Coelenterata |
Ā 64%
NEET - 2014
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints

Planaria posses high capacity of

(1) metamorphosis

(2) regeneration

(3) alternation of generation

(4) bioluminescence

Subtopic: Ā Phylum Ctenophora & Platyhelminthes |
Ā 92%
From NCERT
NEET - 2014
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh