61.

The list below includes names of animal phyla and classes.

A. Echinodermata

B. Cephalopoda

C. Annelida

D. Mollusca

E. Hirudinea

F. Asteroidea

G. Arthropoda

H. Crustacea

For a leech and lobster, the correct classification of phylum and class respectively, is

• Leech: Phylum-D, Class-B;

  Lobster: Phylum-A, Class-H

• Leech: Phylum-C, Class-B;

  Lobster: Phylum-D, Class-C

• Leech: Phylum-C, Class-E;

  Lobster: Phylum-G, Class-H

• Leech: Phylum-A, Class-G;

  Lobster: Phylum-C, Class-F

Which of the following is a correct statement?

• Euglenids have a spiral or crystalline rod inside flagella.

• Pheophytes have a spiran or crystalline rod inside flagella.

• Euglenids have a hairy and smooth flagella.

• Euglenids and pheophytes both have a spiral or crystalline rod inside flagella.

Following is a table showing selected characteristics of important fungal groups.

Fungal group	Characteristic
A	No regularly occurring septa in thallus
B	Perforated septa
C	Forms arbuscular mycorrhizal on plant roots
D	Have zoospores with flagella

In the above table, the fungal groups A, B, C, and D, are respectively

• Chytridiomycetes, Ascomycetes, Glomeromycetes, Zygomycetes

• Zygomycetes, Ascomycetes, Glomeromycetes, Chytridiomycetes

• Ascomycetes, Zygomycetes, Glomeromycetes, Chytridiomycetes

• Chytridiomycetes, Zygomycetes, Ascomycetes, Glomeromycetes

Which of the following is a correct match of the animal with its attribute?

Animal	Attribute
A - Rotifer	(i) Nauplius larval stage
B - Sea anemone	(ii) Radial symmetry
C - Barnacle	(iii) Pseudocoelomate body cavity
D - Sea urchin	(iv) Water vascular system

• A - (iii); B - (ii); C - (i); D - (iv)

• A - (ii); B - (iii); C - (i); D - (iv)

• A - (iii); B - (iv); C - (i); D - (ii)

• A - (iv); B - (iii); C - (ii); D - (i)

In Group I are given 4 orders of class Insecta. Match each one with a common name (Group II) and its diagnostic characters (Group II) and its diagnostic characters (Group III).

Group - I	Group - II
Dermaptera (A)	Ant (E)
Ephemeroptera (B)	Mayfly (F)
Odonata (C)	Grasshopper (G)
Plecoptera (D)	Damselfly (H)
	Stonefly (I)
	Earwig (J)

Group III

(i) Elongate, membranous wings with net-like venation, abdomen long and slender compound eyes occupy most of head, hemimetabolous metamorphosis.

(ii) Elongate chewing mouthparts, thread-like antennae, abdomen with unsegmented forceps-like cerci, hemimetabolous metamorphosis.

(iii) Forewing long, narrow and leathery, hindwingbroad and membranous, chewing mouthparts, hemimetabolous metamorphosis.

(iv) Elongate abdomen with two or three tail filaments, two pairs of membranous wings with many veins, forewings triangular, short, bristle-like antennae, hemimetabolous metamorphosis.

(v) Adults with reduced mouthparts, elongate antennae, long cerci, nymphs aquatic with gills, hemimetabolous metamorphosis.

(vi) Wings membranous with few veins, well developed ovipositiors, sometimes modified into a sting, mouth parts modified for biting and lapping, holometabolous metamorphosis.

• A-J-(ii)

• B-I-(vi)

• C-H-(v)

• D-F-(i)

Which of the following statements best describe archaebacteria?

• Mostly autotrophic, cell wall contains peptidoglycan, 60S ribosomes, live in an extreme environment.

• Divide by fission, not susceptible to lysozyme, live in extreme environments, mostly autotrophic.

• Not susceptible to lysozyme, contain Golgi and linear chromosomes.

• Chitinous cell wall, obligate aerobic, circular chromosomes.

Which of the following is a correct match of the animal with its taxonomic group?

• Hirudinea-Leech; Chelicerata-Horse shoe crab; Cestoda-Tapeworm; Echinoidea-Sea urchins; Cephalopoda-Octopus; Oligochaeta-Earthworm

• Hirudinea-Earthworm; Chelicerata-Horse shoe crab; Cestoda-Octopus; Echinoidea-Tapeworm; Cephalopoda-Earthworm; Oligochaeta-Leech

• Hirudinea-Tapeworm; Chelicerata-Leech; Cestoda-Tapeworm; Echinoidea-Horse shoe crab; Cephalopoda-Earthworm; Oligochaeta-Octopus

• Hirudinea-Leech; Chelicerata-Tapeworm; Cestoda-Earthworm; Echinoidea-Sea urchins; Cephalopoda-Octopus; Oligochaeta-Horse shoe crab

The phylum in which the animals are bilaterally symmetrical in the larval stage and radially symmetrical in the adult stage is

• Coelenterata

• Nematoda

• Mollusca

• Echinodermata

Which of the following fungal groups has septate hyphae and reproduces asexually by budding, conidia and fragmentation?

• Basidiomycota

• Zygomycetes

• Chytrids

• Glomeromycota

Which of the following is NOT semelparous?

• Dracena

• Bamboo

• Cicada

• Mayfly