Zoology MCQs for Lecturer Test PPSC FPSC

Test Name:	Zoology MCQs for Lecturer Test
Subject Category:	Zoology
Test Type:	Online MCQs based Quiz
Total Score / Questions:	50 / 50
Time Limit:	40 Min
Who Should Practice this Test:	Students, job seekers or professionals who are preparing for competitive exams, job interviews or jobs test.

Zoology Solved MCQs for Lecturer Subject Specialist Educators from Past Papers

1. The agnathans and gnathostomes branched apart most likely during which period….?

Silurian period

Cambrian period

Devonian period

Jurassic period

2. The ambulacral grooves are located between the….?

rows of dermal ossicles

radial nerves

layers of pedicellariae

rows of tube feet

3. Which of the following molluscs are small (1–30 mm), worm-like, having no shells and sclerites for movement?

solenogastres

caudofoveata

monoplacophora

polyplacophora

4. Which of the following part of an aquatic ecosystem of the sea contains plankton?

Upper

Lower

Bottom

All options

5. What is the ratio of F2 phenotypic in a genetic cross having recessive epistasis?

9 : 6 : 1

9 : 3 : 4

15 : 1

12 : 3 : 1

6. Groups of animals with the cellular or unicellular body are…..?

Cnidaria

Porifera

Protozoa

Eumetazoa

7. Fertilizin is a chemical substance produced from which of the following??

polar bodies

acrosome

middle piece of sperm

mature eggs

8. In which of the following book Lamarck’s theory of organic evolution was published in 1809?

Histoire Naturelle

Principles of Geology

Systema Naturae

Philosophie zoologique

9. Which of the following mammals evolved from a group of carnivorous pelycosaurs?

anurans

labyrinthodonts

therapsids

theropods

10. When heterozygous tall (Tt) mates with homozygous recessive dwarf (tt). The result will be…?

100% recessive

25% recessive

75% recessive

50% recessive

11. Which of the following order of amphibia often produces spermatophores??

Urodela

Gymnophiona

Apoda

Anura

12. The old classification divided Gastropoda into three subclasses as prosobranchia, opisthobranchia and……?

Pelycopoda

Pulmonata

Nudibranchia

Omnibranchia

13. Human chorionic gonadotropin (hCG) hormone is secreted by……?

thymus

ovary

placenta

thyroid

14. The earliest therians most resembled with a……?

Pig

Squirrel

Rat

Beavers

15. Cross-pollination between red snapdragons and white snapdragons results in snapdragons of pink color; this is an example of…?

incomplete dominance

dominant-recessive

hybrid

complete dominance

16. The modern agnathans may be characterized by…?

All options

absence of paired fins

presence of a notochord

seven or more paired gill pouches

17. Which of these groups of animals has no parasites…?

Porifera

Echinodermata

nematode

Platyhelminthes

18. Which of the following is NOT a correct association between pairs….?

fossorial adaptations – Develops shoulder girdle

cursorial adaptations – Limb bones elongated

arboreal adaptations – Webbed feet

volant adaptations – Fusion of certain bones

19. Which of the following is the most common cause of goiters worldwide??

overproduction of sugar

lack of vitamin D

lack of vitamin A

lack of iodine

20. The Monoplacophora were known only from Paleozoic fossils and the living monoplacophorans which were discovered in 1957 known as…?

Loligo

Mopalia

Neopilina

Pedicularia

21. Choose the correct sequence of zonation in the lentic environment?

Profundal zone, Sub-littoral zone, Littoral zone

Littoral zone, Sub-littoral zone, Profundal zone

Profundal zone, Littoral zone , Sub-littoral zone

Sub-littoral zone, Littoral zone, Profundal zone

22. The genetic identity of a human male is determined by the……….?

Cell organelles

Nucleolus

Autosome

Sex chromosome

23. Gregor Mendel was successful in his study of genetics because he…?

focused on each trait individually

studied only one trait at a time

All options

analyzed the data he collected mathematically

24. Which of the following facts make Lamarck's theory weak?

the giraffe’s neck has gradually grown longer

ears pierced since ages but not inherited

trees of high altitudes have sloppy branches

some birds have webbing between their toes

25. The difference between total photosynthesis and total rate of energy loss to metabolism and maintenance in an ecosystem is known as??

Net primary productivity (NPP)

Gross primary production (GPP)

Total primary production (TPP)

Net community productivity

26. Which of the following fish may be characterized as eel-like, parasitic and funnel-like sucking mouth?

lamprey

chimera

hag fish

ostracoderm

27. Which of the following alternative name is used for Lamprey larvae?

trilobite larva

tornaria

ammocoetes

veliger

28. Which of the following is the oldest fossil of a tetrapod…?

Ichthyostega

Sphenodon

Latimeria

Desmognathus

29. Which of the following vertebrate that survived at the end of the Late Devonian Period and possessed……?

Feathers

Countercurrent flow

Lungs

Gills

30. Which of the following concepts is attributed to Lamarckism??

survival of the fittest

inheritance of acquired characters

struggle for existence

All options

31. Which of the following type of placenta is present in humans?

endothelial

haemochorial

epitheliochorial

syndesmochorial

32. Which of the following statement is NOT correct about the flow of energy?

Energy is used up in an ecosystem

Energy flows from herbivores to carnivores

energy travels in a one-way direction

Main source of energy is Sun

33. The adaptive radiation of mammals occurred mostly during which era??

Jurassic era

Triassic era

Cenozoic era

Cretaceous era

34. Which of the following is the most common cause of Cushing Syndrome??

Iodine deficiency

Coronary artery

Adenoma

Down syndrome

35. Which of the following is a dihybrid condition??

segregation

independent assortment

polygenic inheritance

dominance

36. A rasping structure covered with chitinous teeth which are used for feeding in most molluscs is…?

Odontophore

Mouth

Mantle cavity

Radula

37. A cross between AaBB and aaBB yields a genotypic ratio of…?

All AaBB

1 AaBB : 1 aaBB.

1 AaBB : 3aaBB

2 AaBB : 3aaBB

38. Which of the following gland controls the metabolic rate in mammals….?

Thyroid

Pituitary

Pancreas

Testes

39. Which of the following class of animals are characterized by a globose or flattened skeleton known as a test and without arms?

asteroidean

ophiuroidea

asteroidean

echinoidea

40. What percentage of the sunlight is actually converted into chemical energy via photosynthesis??

1 %

5 %

99 %

7 %

41. Torsion is a process that rotates the…………………. 180˚with respect to the head and foot of the gastropod??

Mantle

Visceral mass

Surface

Shell

42. How the cutaneous respiration is possible in the skin of amphibians??

dry and richly vascularized

dry skin

wet skin

dehydration

43. The Association of animals which are benefited both the partners is known as……?

Colony

Commensalism

Ammensalism

Mutualism

44. Which of the following is an example of carnivores?

Caterpillars

Koalas

Sea stars

Sea cucumbers

45. Which of the following pair shares a common ancestry trochophore larva?

Mollusca-Cephalopoda

Mollusca-Cnidaria

Mollusca-Annelida

Mollusca-Nematoda

46. Which of the following sweat glands are associated with hair??

Posterior pituitary

Adrenal

Apocrine

Pineal

47. The stomach many echinoderms have two parts known as……??

cardiac and pyloric

enzymatic and cecal

cecal and cardiac

pyloric and enzymatic

48. Which of the following type of adult kidneys is found in amphibians??

metanephric

pronephric

mesonephros

anephric

49. Why the desert animals confine their activities during the night time?

problem of conservation of water during the day time

can see well during the night

get sufficient food during night time

less competition for food during the daytime

50. Which of the following factor drove giraffes towards elongating their necks and forelimbs are…?

The need to eat and breed

variation in these organs

mutations in these organs

Change in DNA

Zoology Solved MCQs for Lecturer Subject Specialist Educators from Past Papers

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