0

Diversity in Living Organisms (GATE - XL)

Description: GATE - Life Sciences Test
Number of Questions: 15
Created by:
Tags: GATE - Life Sciences Test Animal Diversity
Attempted 0/15 Correct 0 Score 0

Which of the following is incorrectly matched?

  1. Centrolecithal - Insects

  2. Isolecithal - Mammals

  3. Telolecithal - Reptiles

  4. Isolecithal - Birds

  5. NA


Correct Option: D
Explanation:

Birds have telolecithal type of eggs.

Even-toed ungulates like deer, camels, pigs, cows, etc. belong to which order of mammalia?

  1. Cetacea

  2. Artiodactyla

  3. Perissodactyla

  4. Lagomorpha

  5. NA


Correct Option: B
Explanation:

Artiodactyla consists of even-toed ungulates like deer, camels, pigs, cows, etc.

Select the correct match among the following.

  1. Silverfish - Elasmobranch

  2. Crayfish - Osteichthyes

  3. Cuttlefish - Echinodermata

  4. Jellyfish - Scyphozoa

  5. NA


Correct Option: D
Explanation:

Jellyfish are the major non-polyp form of individuals.

Which of the following features is/are incorrect with respect to class reptiles?

  1. Cleidoic eggs

  2. Holoblastic cleavage

  3. 12 pairs of cranial nerves

  4. Skull is monocondylic

  5. NA


Correct Option: B
Explanation:

Reptiles show meroblastic cleavage as their eggs contain a large amount of yolk and not holoblastic cleavage. Hence, it is the correct option.

Which of the following types of scales are found in salmon and carp?

  1. Placoid scales

  2. Ganoid scales

  3. Cycloid scales

  4. No scales

  5. NA


Correct Option: C
Explanation:

Cycloid scales are found in salmon and carp.

Which of the following is/are correctly matched?

  1. Asteroidea - Sea stars - Thick arms

  2. Ophiuroidea - Brittle stars - Absence of arms

  3. Echinoidea - Feather stars - Absence of arms

  4. All of the above

  5. NA


Correct Option: A
Explanation:

Asteroidea have thick arms that extend from a central disk.

Classification of Balanoglossus is given below:

Kingdom : Animalia Phylum : Hemichordata Class : Enteropneusta Family : Harrimaniidae

Which factor of classification is incorrect with respect to classification of Balanoglossus?

  1. Kingdom : Animalia

  2. Phylum : Hemichordata

  3. Class : Enteropneusta

  4. Family : Harrimaniidae

  5. NA


Correct Option: D
Explanation:

It is an incorrect match as Balanoglossus belongs to family Ptychoderidae.

Which of the following types of teeth are found in fishes and amphibians?

  1. Acrodont

  2. Lophodont

  3. Secodont

  4. Selenodont

  5. NA


Correct Option: A
Explanation:

Acrodont teeth are found in fishes and amphibians.

Which of the following is incorrectly matched?

  1. Thysanoptera - Thrips - Piercing sucking type of mouthpart

  2. Coleoptera - Beetles - Chewing type of mouthpart

  3. Diptera - Housefly - Sponging type of mouthpart

  4. Lepidoptera - Butterflies - Sponging type of mouthpart

  5. NA


Correct Option: D
Explanation:

Butterflies belong to class Lepidoptera and they have siphoning mouthparts. 

Match the following animals according to their symmetry:

Coelenterates, Annelids, Chordates, Echinoderms, Arthopods

  1. Radial - Chordates and Echinoderms Bilateral - Coelenterates, Annelids and Arthropods

  2. Radial - Coelenterates and Echinoderms Bilateral - Chordates, Annelids and Arthropods

  3. Radial - Annelids, Arthropods and Echinoderms Bilateral - Coelenterates and Chordates

  4. Radial - Annelids, Arthropods and Chordates Bilateral - Coelenterates and Echinoderms

  5. NA


Correct Option: B
Explanation:

Radial symmetry is symmetrical arrangement of parts of an organism.

Match the following:

 
Column - I Column - II
1. Bipinnaria larva P. Mollusca
2. Trochophore larva Q. Echinoderm
3. Amphiblastula larva R. Sponge
  1. 1 - Q, 2 - P, 3 - R

  2. 1 - P, 2 - Q, 3 - R

  3. 1 - Q, 2 - R, 3 - P

  4. 1 - R, 2 - P, 3 - Q

  5. NA


Correct Option: A
Explanation:

The correct match is 1 - Q, 2 - P, 3 - R. Hence, it is the correct option.

Which of the following are correct statements?

  1. Prawn has 2 pairs of antennae.
  2. Nematocysts are characteristics of Platyhelminthes and Annelids.
  3. Poriferans are exclusively marine.
  4. Centipedes have one pair of legs per body segment.
  1. 1 and 4

  2. 2 and 3

  3. 1 and 3

  4. 2 and 4

  5. NA


Correct Option: A
Explanation:

It is the correct option as a prawn has only 2 pairs of antennae and centipedes belonging to the class Chilopoda of phylum Arthropoda.

Which of the following statements is/are incorrect?

  1. Classes of sponges are divided based on type of spicules.
  2. Classes of platyhelminthes are divided upon how their digestive cavities are constructed.
  3. Classes of molluscs are divided based upon the type of foot.
  1. 1 and 2

  2. 2 and 3

  3. 1 and 3

  4. None of these

  5. NA


Correct Option: D
Explanation:

It is the correct option as all the combinations are correctly matched.

Which of the following facts about Arthropods are correct?

  1. They have an exoskeleton made up of cuticle, lipids, proteins.
  2. They have a closed circulatory system.
  3. They undergo a transformation known as metamorphosis during their lifecycle.
  4. They account for 2/3rd of all currently known living and fossil organisms.
  5. Trilobitomorpha is an extinct group of arthropods.
  1. 1, 2 and 5

  2. 1, 3 and 5

  3. 1, 4 and 5

  4. 2, 3 and 4

  5. NA


Correct Option: B
Explanation:

1st statement is correct as the body of arthropods is enclosed in a hard structure.

Match the following:

 
Column - I Column - II
1. Struthio camelus A. Ostrich
2. Apteryx rowi B. Kiwi
3. Casuarius casuarius C. Cassowary
4. Dromaius novaehollandiae D. Emu
5. Rhea pennata E. Rhea
  1. 1 - B, 2 - A, 3 - C, 4 - D, 5 - E

  2. 1 - A, 2 - B, 3 - C, 4 - D, 5 - E

  3. 1 - A, 2 - B, 3 - D, 4 - C, 5 - E

  4. 1 - D, 2 - B, 3 - C, 4 - A, 5 - E

  5. NA


Correct Option: B
Explanation:

It is the correct answer.

- Hide questions