Diversity In Living Organisms Test

Diversity In Living Organisms

This is Diversity in Living Organisms Test-03 for CBSE class 09 Science.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Elasmobranches do not have
  • A
    Placoid scales
  • B
    Operculum
    Correct
  • C
    Gill – slits
  • D
    Notochord
2
Exclusive marine phylum is
  • A
    Echinodermata
    Correct
  • B
    Cnidarians
  • C
    Porifera
  • D
    Protozoa
3
Male Ascaris can be distinguished from female Ascaris by
  • A
    Curved posterior end.
  • B
    Presence of penial setae
  • C
    Both a and c
    Correct
  • D
    Round shape
4
Amphibians are advanced than fishes because of
  • A
    three chambered heart
  • B
    None of these
  • C
    lungs for respiration
  • D
    Both a and b
    Correct
5
Which of the following is Hemichordate?
  • A
    Balanoglossus
  • B
    All of these
    Correct
  • C
    Herdmania
  • D
    Amphioxus
6
Whales are not grouped in fishes because
  • A
    they have mammary glands.
  • B
    All of these
    Correct
  • C
    they have four chambered heart
  • D
    they respire with lungs
7
Which of the following is known as cuttle fish?
  • A
    Torpedo
  • B
    Sepia
    Correct
  • C
    Loligo
  • D
    Solen
8
Which of the following has two chambered heart?
  • A
    Lizard
  • B
    Ostrich
  • C
    Rohu
    Correct
  • D
    Toad
9
Identify the animal group having 4 pairs of jointed legs and no wings.
  • A
    Aves
  • B
    Echinodermata
  • C
    Mollusca
  • D
    Arachnida
    Correct
10
Which of the following is not the flight adaptation in birds?
  • A
    Thin, moist. Glandular and respiratory skin
    Correct
  • B
    Presence of air sacs to help in double respiration
  • C
    Well-developed flight muscles
  • D
    They have acute vision
11
‘Venus flower basket’ is the dried skeleton of
  • A
    Euplectella
    Correct
  • B
    Leucosolenia
  • C
    Euspongia
  • D
    Spongilla
12
Mesoglea is characteristic of
  • A
    Cnidaria
    Correct
  • B
    Aschelminthes
  • C
    Platyhelminthes
  • D
    Mollusca
13
Which phylum contains the greatest number of species of animals?
  • A
    Chordates
  • B
    Sponges
  • C
    Molluscs
  • D
    Arthropods
    Correct
14
Match the following with correct response. (1) Amphibians (2) Reptiles (3) Aves (4) Mammals (A) Eggs with tough covering (B) Viviparous (C) Egg laying (D) Lay eggs in water
  • A
    1-B, 2-D, 3-A, 4-C
  • B
    1-C, 2-B, 3-D, 4-A
  • C
    1-D, 2-A, 3-C, 4-B
    Correct
  • D
    1-A, 2-C, 3-B, 4-D
15
Match the following with correct response. (1) Peacock (2) Tiger (3) Housefly (4) Frog (A) Muscadomestica (B) Pavocristatus (C) Ranatigrina (D) Pantheratigris
  • A
    1-A, 2-C, 3-B, 4-D
  • B
    1-D, 2-A, 3-C, 4-B
  • C
    1-C, 2-B, 3-D, 4-A
  • D
    1-B, 2-D, 3-A, 4-C
    Correct