XI Biology Animalia online Test Mdcat-2024

Instructions for Animalia Online Test Mdcat-2024:

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Test Details:

Subject: Biology
Class: 1st year or 11
Chapter Name: Animalia
Test: MDCAT 2024
Book: Sindh Textbook
Total No. Of MCQS: 40 New Book + 10 Old Book = Total 50 MCQS
Time Allowed: 50 Minutes
Price : Free

223

Created on June 09, 2024 By

medicoengineer.com

XI Biology Animalia Online Test Mdcat-2024

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NameEmailPhone Number

1 / 50

1. The sponges, which are Ascon, Sycon, and Leucon type, respectively, are divided into?

a) Undivided, secondary chamber, second and tertiary chamber

b) Undivided, secondary chamber, tertiary chamber

c) Two cavities, secondary chamber, tertiary chamber

d) All are divided into tertiary chambers

2 / 50

2. Which of the following is true for sponges?

a) All sponges are filter feeders

b) All sponges reproduce by spores like gemmules

c) A bathroom sponge's internal skeleton is made of calcareous material

d) All of these are true

3 / 50

3. All echinoderms have a complete digestive system except?

a) Sea anemones

b) Sea cucumbers

c) Starfish

d) Brittle stars

4 / 50

4. Which of the following is an incorrect statement?

a) Deuterostomes include Hemichordata and Chordata

b) Protostomes include molluscs and annelids

c) Sponges are radially symmetrical

d) Tube feet help in locomotion and respiration

5 / 50

5. Which of the following is the largest class in Mollusca in correct increasing order?

a) Class Gastropoda > Cephalopoda > Bivalvia

b) Class Cephalopoda > Gastropoda > Bivalvia

c) Class Gastropoda > Bivalvia > Cephalopoda

d) All contain the same number of species

6 / 50

6. Which set has an open circulatory system?

a) Arthropods and molluscs

b) Arthropods and mammals

c) Annelids and molluscs

d) Sponges and molluscs

7 / 50

7. Which of the following sets goes through the trochophore larval stage?

a) Arthropods and molluscs

b) Arthropods and mammals

c) Annelids and molluscs

d) Echinoderms and molluscs

8 / 50

8. Complete metamorphosis is?

a) When larvae hatch and develop into pupa, later to adult form

b) When larvae hatch and develop into nymph, later to adult form

c) When adult-like immature eggs hatch and develop into pupa, later to adult form

d) When larvae hatch and develop into pupa, later to nymph

9 / 50

9. Leech saliva contains hirudin, which prevents?

a) Filariasis

b) Hepatitis

c) Blood clotting

d) Vitamin C production

10 / 50

10. Ascaris, Wuchereria, and Ancylostoma belong to?

a) Nematodes or Aschelminthes

b) Nematocytes or Cnidarians

c) Spiny body or Echinoderms

d) Jointed legs or Arthropods

11 / 50

11. After zygote cleavage, it turns into?

a) Morula

b) Blastula

c) Gastrula

d) Enteron

e) Blastophore

12 / 50

12. Examples of jawless fishes are?

a) Eels and flying fish

b) Seahorse and globe fish

c) Hagfish and lampreys

d) Scoliodon and dogfish

13 / 50

13. The scales found in bony fishes (Osteichthyes) are?

a) No scales found

b) Collar scales

c) Cycloid scales

d) Placoid scales

14 / 50

14. The organ that acts as a hydrostatic organ in bony fishes (Osteichthyes) is?

a) Collar cells

b) Collar scales

c) Plates

d) Air bladder

15 / 50

15. Flame cells are characteristic of?

a) Annelids

b) Molluscs

c) Echinoderms

d) Platyhelminthes

e) Aschelminthes

16 / 50

16. Physalia is a common example of?

a) Isomorphism

b) Polymorphism

c) Metamorphism

d) Hydrostatic organ

17 / 50

17. The diversity and success of arthropods are largely related to?

a) Segmentation, hard exoskeleton, and jointed appendages

b) Segmentation, hard exoskeleton, and mosaic vision

c) Segmentation, hard exoskeleton, and number of setae

d) Segmentation, mosaic vision, and Malpighian tubules

18 / 50

18. Birds normally maintain a ___ temperature than their surroundings.

a) Higher

b) Lower

c) Extremely low

d) The same as their surroundings

19 / 50

19. The egg and sperm formation in sponges is by?

a) Amoebocytes

b) Gelatinous mesenchyme

c) Collar cells

d) Spongocoel

20 / 50

20. 50 types of parasites hostile to humans belong to?

a) Annelids

b) Platyhelminthes

c) Aschelminthes

d) Chordates

21 / 50

21. For every 1 human, there are about?

a) 100 billion Aschelminthes

b) 80 billion Aschelminthes

c) 70 billion Aschelminthes

d) 60 billion Aschelminthes

22 / 50

22. Which of the following does not have a 3-chambered heart?

a) Class Mammalia

b) Class Aves

c) Class Hexapoda

d) Class Amphibia

e) A and B

23 / 50

23. The only organ belonging to a specific phylum that helps in respiration, locomotion, and food capture is?

a) Flame cells

b) Malpighian tubules

c) Protonephridia

d) Nephridia

e) Tube feet

24 / 50

24. The ladder-type nervous system is found in which phylum of Kingdom Animalia?

a) Coelenterata

b) Sponges

c) Nematodes

d) Aschelminthes

e) Platyhelminthes

25 / 50

25. They are known for their parasitic behavior and have tapeworms in their examples:

a) Hemichordata

b) Sponges

c) Annelids

d) Aschelminthes

e) Platyhelminthes

26 / 50

26. Which class of arthropods are mostly seafood for humans?

a) Class Crustacea

b) Class Arachnida

c) Class Hexapoda

d) Class Merostomata

e) Class Myriapoda

27 / 50

27. Reptiles and amphibians are?

a) Ectothermic

b) Ectothermic and endothermic

c) Endothermic

d) Homoeothermic

e) Ketothermic

28 / 50

28. Many molluscs feed by using a strap-like rasping organ called?

a) Muscular foot

b) Visceral mass

c) Mantle

d) Radula

29 / 50

29. An adult animal that possesses bilateral symmetry is most certainly?

a) Triploblastic

b) Deuterostome

c) Coelomate

d) Protostome

30 / 50

30. Water movement through a sponge follows which path?

a) Ostia → Spongocoel → Osculum

b) Spongocoel → Osculum → Ostia

c) Ostia → Osculum → Spongocoel

d) Osculum → Spongocoel → Ostia

31 / 50

31. Platyhelminthes reproduce asexually by?

a) Egg and sperm

b) Regeneration

c) Amoebocytes

d) Spongocoel

e) None of these

32 / 50

32. Subclass Prototheria lacks the feature?

a) Hair

b) Mammary glands

c) Milk production

d) they have all of these

33 / 50

33. Which of the following are acoelomate?

a) Ascaris, Wuchereria

b) Unio, Pila, squid, and slug

c) Planaria, tapeworm, liver fluke

d) Sea star and brittle star

34 / 50

34. The slowest fish is?

a) Slug

b) Squid

c) Seahorse

d) Sailfish

35 / 50

35. The tail fin of class bony fishes (Osteichthyes) is usually?

a) They lack scales

b) Homocercal

c) Heterocercal

d) Placoid scales

36 / 50

36. Birds regulate their body temperature by?

a) Flapping of wings

b) Physiological and behavioral mechanisms

c) Decreasing the water potential

d) Increasing the water potential and solute potential

e) Closing the 4th chamber of their hearts

37 / 50

37. Which of the following have less or no ability to chew their food and have few primitive teeth?

a) Mammalians and heterodents

b) Reptiles and homodents

c) Amphibians and vomerine teeth

d) B and C

38 / 50

38. The body of a sponge consists of two layers of cells separated by?

a) Pinacocytes

b) Gelatinous mesenchyme

c) Collar cells

d) Spongocoel

39 / 50

39. Choose the mismatch:

a) Molluscs - soft body

b) Echinoderms - spiny body

c) Annelids - nematodes

d) Sponges - Porifera

e) A and B

40 / 50

40. Jellyfish can have up to ___ tentacles and ___ water in them.

a) 800 and 95%

b) 700 and 90%

c) 600 and 85%

d) 800 and 90%

41 / 50

41. Platyhelminthes are flattened?

a) Dorsoventrally

b) Dorsal side

c) Horizontally

d) Ventrally

42 / 50

42. The muscles of nematodes are all?

a) Posterior

b) Central

c) Longitudinal

d) Circular

e) A and B

43 / 50

43. Subphylum Urochordata is provided with ___ which is incurrent and ___ which is excurrent.

a) Atrial siphon and atrial buccal

b) Atrial siphon and buccal siphon

c) Buccal siphon and atrial siphon

d) Ostia and osculum

e) Siphons

44 / 50

44. Which phylum is exclusively marine?

a) Platyhelminthes

b) Hemichordates

c) Echinoderms

d) All of these

45 / 50

45. Weeds, mosquitoes, and rodents are examples of?

a) Nymphs

b) Pupae

c) Pests

d) Weedicides

46 / 50

46. The largest creature without a backbone is?

a) Giant squid

b) Giant cephalopods

c) Giant oyster

d) Giant unio

47 / 50

47. Ambisexuals are?

a) That start life as female and become males later

b) That start life as asexual and become sexual later

c) That start life as male and become female later

d) That start life without reproductive parts

48 / 50

48. In which of the following phyla are females larger than males?

a) Platyhelminthes

b) Echinoderms

c) Chordata

d) Aschelminthes

e) All of these

49 / 50

49. Which of the following is NOT true for Aschelminthes?

a) Females are larger than males

b) They are the most abundant on Earth

c) There are about 60 billion per human

d) One species of them controls mosquitoes by eating their larvae

e) All of these characteristics are of nematodes

50 / 50

50. Leeches have been used for medicinal purposes for a very long time. Back then, it was believed that leeching would get rid of the ___.

a) Clotted blood

b) Bad blood

c) Good blood

d) Hirudin-filled blood

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