NEET Lessons

Column A

Column B

(A) Porifera

(i) Canal system

(B) Aschelminthes

(ii) Water-vascular system

(C) Annelida

(iii) Muscular Pharynx

(D) Arthropoda

(vi) Jointed appendages

(E) Echinodermata

(v) Metameres

(a) (A)-(ii), (B)-(iii), (C)-(v), (D)-(iv), (E)-(i)

(b) (A)-(ii), (B)-(v), (C)-(iii), (D)-(iv), (E)-(i)

(c) (A)-(i), (B)-(iii), (C)-(v), (D)-(iv), (E)-(ii)

(d) (A)-(i), (B)-(v), (C)-(iii), (D)-(iv), (E)-(ii)

Match the following list of animals with their level of organisation.

(a) (A)-(ii), (B)-(iii), (C)-(v), (D)-(iv), (E)-(i)

(b) (A)-(ii), (B)-(v), (C)-(iii), (D)-(iv), (E)-(i)

(c) (A)-(i), (B)-(iii), (C)-(v), (D)-(iv), (E)-(ii)

(d) (A)-(i), (B)-(v), (C)-(iii), (D)-(iv), (E)-(ii)

What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

Are chemosynthetic bacteria-autotrophic or heterotrophic?

ORGANISM AND POPULATION

Give an example for each of the following
(a) A viviparous animal
(b) A fish possessing a poison sting
(c) A fish possessing an electric organ
(d) An organ, which regulates buoyancy
(e) Animal, which exhibits alternation of generation
(f) Oviparous animal with mammary gland 

Name three groups of plants that bear archegonia. Briefly describe the life cycle of any one of them.

What is the nature of cell-walls in diatoms?

Couplet in taxonomic key means 

Viruses are non-cellular organisms but replicate themselves once they infect the
host cell. To which of the following kingdom do viruses belong to?
(a) Monera
(b) Protista
(c) Fungi
(d) None of the above

MECHANISM OF PHOTOSYNTHESIS

Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.

The common name of pea is simpler than its botanical (scientific) name Pisum sativum. Why then is the simpler common name not used instead of the complex  scientific/ botanical name in biology?

Digestion and Absorption

Comment on the lifecycle and nature of a fern prothallus.

FOOD CHAIN- PYRAMIDS OF ECOSYSTEM

How would you distinguish monocots from dicots?

Give the characteristic features of the following citing one example of each
(a) Chondrichthyes and osteichthyes 
(b) Urochordata and cephalochordata 

Genus represents