Zoology for NEET and EAMCET – Online Practice Test

1. What is common to whale, seal and shark?

2. Which of the following pairs are correctly matched?

A. Crocodile 4-Chambered heart

B. Sea Urchin Parapodia

C. Obelia Metagenesis

D. Lemur Thecodont

3. Select the correct statement from the following

4. Which one of the following is a matching pair of a body feature and the animal possessing it?

5. If you suspect major deficiency of antibodies in person, to which of the following would you look for confirmatory evidence?

6. Which one of the following is a fat-soluble vitamin and its related deficiency disease?

7. Compared to a bull a bullock is docile because of

8. Which part of ovary in mammals acts as an endocrine gland after ovolution?

9. During the transmission of nerve impulse through a nerve fibre, the potential on the outer side of the plasma membrane has which type of electric charge?

10. Which one of the following ecosystem types has the highest annual net primary productivity?

11. A high density of elephant population in an area can result in

12. The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show?

13. The area where wild populations, traditional life styles and genetic resources are protected is

14. Amniocentesis is a technique

15. The diagram shows an antibody molecule. Identify A to F.

16. The copper ions of IUDs

17. The embryonic membrane involved in the formation of placenta in human is

18. Identical twins are produced when

19. The density of a population in a given habitat during a given period, fluctuates due to changes in four basic process. On this basis fill up A and B boxes in the given diagram with correct options

20. Read the following statements

A : A considerable amount of NPP is utilised by plants in respiration

B: The annual NPP of the whole biosphere is approximately 170 billion tons of organic matter

21. How many of the given statements are wrong?

A. The rate of diffusion of gas at the respiratory membrane depends upon its solubility as well as on the thickness of membrane

B. The amount of CO2 that can diffuse through the diffusion membrane per unit difference if partial pressure is much higher when compared to that of O2

C. Oxygen can bind with haemoglobin in an irreversible manner to form oxyhaemoglobin

D. The factors responsible for formation of oxyhaemoglobin include high pO2, low pCO2, high H+ concentration and low temperature.

22. Following is a diagrammatic representation of endocrine glands with a labelled part ‘A’. The part ‘A’ serves as the connection between

23. All of the following are functions of catecholamines, except

24. Given below are four statements A-D w.r.t. mechanism of muscle contraction. Choose from the option stating them as true (T) and false (F)

A. The action potential in the sarcolemma is generated by release of calcium ions in the sarcoplasm

B. The globular head of meromyosin possesses ATPase enzyme activity which causes hydrolysis of ATP and the energy derived make myosin head bind to exposed active sites on actin.

C. Cross bridge formation is followed by pulling the attached myosin filaments towards the centre of ‘I’ band.

D. The breaking of cross bridge requires binding of new ATP at the myosin head.

A B C D

25. Find out the correct labelling of bones A, B, C and D in the given figure

26. Following is a diagrammatic representation of a nephron showing blood vessels, duct and tubule. These structures have been labelled as A, B, C etc., Answer the questions that follow.

(i) Which parts are located in cortical region of kidney?

(ii) Which structure is highly reduced in cortical nephrons?

(iii) Identify the part F. (iv) Which parts collectively form Malpighian body?

27. Which of the following statements are correct related to human

A. The chemical process of digestion is initiated in oral cavity by the hydrolytic action of the carbohydrate splitting enzyme, the salivary amylase.

B. Lipases are absent in secretion of gastric glands

C. Bile helps in emulsification of fats and also activates lipases.

D. Nucleases in the succus entericus acts on nucleic acids to form nucleotides and nucleosides

28. Which of the following animal is correctly matched with its genus and two of its characteristics?

 

29. Which of the following statement is incorrect w.r.t alimentary canal of cockroach?

30. Consider the following features:

A. Exclusively marine, radially symmetrical diploblastic organisms with tissue level of organisation.

B. The body bears eight external rows of ciliary comb plates.

C. Digestion is both extracellular and intracellular

D. Exhibit bioluminescence

E. Monoecious, fertilisation external with indirect development The above-mentioned features belong to the animal

31. According to 2001 census report, the population growth rate of India was

32. How many of the following statements are wrong w.r.t. STDs?

A. AIDs is the most dangerous STD.

B. Hepatitis B, genital herpes and HIV infection are not curable

C. Ectopic pregnancy and cancer are not included under the complications of STDs

D. The incidence of STDs are reported to be very high among persons in the age group of 15-24 yearsx

33. Which of the following is correct match w.r.t. human ancestor, its cranial capacity and certain feature?

34. Based on observations made during a sea voyage in a sail ship called H.M.S. Beagle, Charles Darwin concluded that

35. Fill in the blank A involves mating of animals of two different breeds. Hisardale, a new breed of B, has been developed through this mechanism. A B

36. Find the incorrect match

37. Which of the following technique has been shown in the given diagram

 

38. Which of the following recombinant protein has been used to treat emphysema?

39. According to Forestry Commission Report 1997 the total forest cover of India:

40. Bundle of His is a network of:

41. Ligament consists of

42. If a female having gene for haemophilia and colour blindness on its one chromosome marries a normal male, then what are the chances in their offspring

43. Function of thyrocalcitonin

44. ABO blood group has

45. In present times the origin of life is not possible from inorganic compounds due to

46. The Epithelium given  below is not found in

47. Match the Columns and choose the Correct answer

Column I                            Column II

a.National aquatic                   (i) Endoskeleton fully

Animal                                    ossified

b.National Heritage                (ii) Seven cervical

Animal                                      Vertebrae

c.National Bird                        (iii) Sheds scales as

Skin cast

d.National Reptile                   (iv) Longest gestation

Period

(v) Cormorant

48. Select the synovial joint which is exclusive to Axial skeleton

49. Human liver fluke depends on two intermediate hosts to complete its life cycle they are

50. Given below is an incomplete table about certain hormones, select the option that correctly fills the blanks A,B and C

A          B          C

 

51. Which of the following statement is true for the structure marked ‘A’ in the given figure

52. Two adaptive radiations are shown in the figure below. Animal ‘B’ acquires the same adaptations as the Animal ‘Q’. This type of evolution is called as

53. Choose the combination of conditions in a tissue that would influence the most rapid dissociation of oxyhaemoglobin.

54. In a population of 60,000 individuals if the frequency of dominant allele is 60%. Then extrapolate the % of Dominant individuals

55. The enzyme which catalysis the following Biochemical reaction is released from which cells

Trypsinogen → Trypsin

56. Statement –1 (S1): When one cardio myocyte receives a signal to contract, its neighbours are also stimulated to contract

Statement –2(S2): Communication junctions (inter calated discs)

at some fusion points allow the cells to contract as a unit

57. How many of  the following Animals are non-chordates with water vascular system?

A1) Sea – Cucumber      A2) Sea – Horse

A3) Brittle star                 A4) Sea – Hare

A5) Sea – fan                     A6) Sea – urchin

58. Consider the following diagrammatic representation of the sectional view of cochlea with certain labeled parts A,B,C and D. Find out the incorrect match w.r.t labeled part and its identification/description.

59. A sensitized Rh --ve woman gives birth dizygotic twins with different Rh phenotypes then

60. ‘Penicillin rich medium proves detrimental to bacteria but not beneficial to Penicillium which releases it’. This association can be symbolized as

61. Read the following (A-D)

A) About 60% of starch is hydrolysed by salivary amylase in mouth.

B) Chylomicrons are protein coated fat globules transported from intestine into circulatory fluid with all formed elements.

C) In stomach,oxynctic cells secrete proenzyme pepsinogen

D) Unlike marasmus, some fat is still left under skin in kwashiorkor

How many of the above statements are correct

62. Alienate the number of  incorrect statement(s)

S1: Laccifer lacks circulatory system.

S2: Neries have nephridia but no nephrons

S3: Silver fish is Non-operculate marine fish

S4: Neophron has both neurons and nephrons

 

63. The following depiction is the karyotype of “Cinderalla of genetics”

The sex of the Hexapod should beThe sex of the Hexapod should be

64. In which one of the following , erythrocytes are repositories of more  ions as compared to others?

65. In Anaphylaxis, IgE interacts with which one of the following biocyte to promote release of inflammatory mediators.

66. which of the the following statement is false?

67. Olfactory bulbs are extensions of

68. Statement(1): (S1): After primary immune response, subsequent encounter with the same pathogen elicits a highly intensified anamnestic response

Statement(2): (S2): Anamnestic response is because our body develops memory after the first encounter.

69. Observe the relaxed myocyte’s myofibril

Which of the following muscles have those traits?

a) Lateral rectus muscle

b) Iris muscles

c) Ciliary muscles

d) Sartorius muscle

70. Biodiversity is maximum in tropics because

71. All of the following are functions of secretions from (b)  except

 

 

72. Plant whose product is with hallucinogenic properties is

73. Arrange the following habitats related to Bio  diversity conservation in India in descending order

M)Biosphere reserves         N)National Parks

O) Bio diversity hot spots    P) Sanctuaries

74. When Glomerular filtrate  is passing through PCT which of the following Biomolecule’s selective reabsorption is 100% into PTC

B1)Creatinine               B2) Glucose

B3) Amino Acids           B4)  Potassium

75. Among the following placental mammals who will be the appropriate counterpart for spotted cuscus?

76. According to Darwin

I) Inter specific competition is a potent force in organic evolution

II) Evolution was gradual and variations are small and directional

III) Branching decent and Natural selection are two key concepts of evolution

Which of the following statements are correct

77. Which one of the following hormone is derived from an Amino acid which the human beings are incapable of synthesizing

78. Which of the following structures are found in female cockroach ?

79. In kidneys, renal papillae are part of

80. When light incidents on photoreceptor cells of the retina of eye ,their membrane is

81. The state of heart when it does not pump blood effectively enough to meet the needs of the body is

82. A 26 years old female has 2 offsprings(NOTE:not twins). If menses start at the age of 12 years then  the number of  ova formed are

83. Which of the following is responsible for rejection of graft ?

84. Partial pressure of oxygen in alveoli, atmospheric air and tissue will be ------- mm of Hg

85. Complete the following Analogy

Seminal Vesicle: Cockroach: : --------: human

 

86. The concentration of DDT is increased at successive trophic levels in a food chain, through

87. Observe the following

The above device is used to

88. The diagram shows a section through an alveolus and ablood capillary What are the oxygen concentrations at A,B and C?

 

A               B               C

89. Which of the following statements about blood transfusion is correct

90. The three-chambered heart of frog is not as efficient as the human heart with four chambers, because

91. The four structure listed are part of the human excretory system.
I. Bladder II. Kidney III. Ureter IV. Urethra
In which order does a molecule of urea pass through these structures?

92. In the resting muscle fiber, tropomyosin partially covers

93. The last two pairs of ribs are named floating ribs, because

94. If the light source in front of an eye becomes bright suddenly

95. Which of the following statements are false/true?
I. Calcitonin lowers blood calcium level
II. Oxytocin stimulates contraction of uterine muscles during birth.
III. Grave’s disease is caused by malfunctioning of adrenal cortex
IV. ADH stimulates absorption of water and increase the urine output.

96. Hormones involved in carbohydrate metabolism are

97. Who was awarded the three prizes widely regarded as the triple crown of biology

98. Nephrostome occurs in

99. The correct match for structures of cockroach is
Column-I                                                  Column-II
A. Ommatidia                             I. Articulates with thorax
B. Trochanter                             II. For vision
C. Coxa                                        III. Forming exoskeleton
D. Sclerites                                  IV. Fused with large and                                                                  stout femur

100. Bone can be distinguished from cartilage with

101. Arrange the periods of palaeozoic era in ascending order in a geological time scale

102. Match the following columns
Column-I                                                        Column-II
A) Thomas Malthus                                I) Branching descent
B) Hugo de Vries                                     II) Studies on                                                                                     populations
C) Charles Darwin                                   III) Use disuse                                                                                  principle
D) Lamarck                                               IV) Saltation

103. Which of the following statements correctly defines the phenomenon of genetic drift?
I. Random change in gene allele frequency
II. Occur by chance
III. It is directional
IV. Causes elimination of certain alleles
V. Causes fixation of alleles
The correct combination is

104. The Neanderthal man with a brain size ___A____ cc lived in near __B____ between ___C____ to ___D____
Years back

105. Match the following columns
Column-I                                          Column-II
A. Dodo                                           I) Rauwolfia
B. Reserpine                                  II) Mauritius
C. Nile perch in lake Victoria       III) Habitat destruction
D. Main cause for biodiversity loss  IV) Alien species

106. Consider the following statements
I) The fertile top soil is removed by human activities like over – cultivation, unrestricted grazing, deforestation and poor irrigation practices
II) Desertification has become a major problem due to increased urbanization.
Which of the statements given above is/are correct?

107. A tumour in the adrenal zona glomerulosa may cause hypersecretion of the hormones in that region. Which of the following you might expect to find in a patient with such a tumour?

108. Making two varieties of a cattle breed like Red Dane which have no common ancestors on either sides of their pedigree up to 4-6 generations is an example for

109. Hyperdactyly (the possession of more than 12 fingers) is determined by the dominant allele (H) and normal condition by recessive allele (h).

The diagram shown a family tree in which some members of the family are hyperdactylus
Find out the genotype of A, B and C

110. Implantation of the blastocyst occurs

111. Epididymis is

112. Correct sequence of hormone secretion from beginning of menstruation is

113. In cockroach the flow of haemolymph is

114. Select the correct match of the digested products in humans given in column-I with their absorption site and mechanism in column-II.
Column-I                                                    Column-II
1) Glycerol, fatty acids                  Duodenum, move as                                                                    chylomicrons
2) Cholesterol, maltose                Large intestine, active                                                                   absorption
3) Glycine, glucose                        Small intestine, active                                                                   absorption
4) Fructose, Na+                            Small intestine, passive                                                                 absorption

115. If due to some injury, the chordae tendinae of the tricuspid valve of the human heart are partially non-functional, what will be the immediate effect?

116. Select the correct match of the digested products in humans given in column-I with their absorption site and mechanism in column-II.
Column-I                                                    Column-II
1) Glycerol, fatty acids                  Duodenum, move as                                                                    chylomicrons
2) Cholesterol, maltose                Large intestine, active                                                                   absorption
3) Glycine, glucose                        Small intestine, active                                                                   absorption
4) Fructose, Na+                            Small intestine, passive                                                                 absorption

117. Due to nondisjunction of chromosomes during spermatogenesis, some sperms carry both sex
chromosomes (22A + XY) and some sperms do not carry any sex chromosome (22A + O). If these sperms fertilise normal eggs (22A + X), what types of genetic disorders appear among the offsprings?

118. Which is correctly labeled with respect to the given diagram?

119. The stage of suspended development shown by zooplanktons is called

120. Milk of first transgenic cow Rosie consists

121. Satellite DNA is useful tool in

122. Layers of an ovum from outside to inside is

123. What is safe sex period regarding birth control?

124. Choose the wrong statement.

125. A phenomena in which a bee visits a flower at the same time every day is called

126. Match the following and select the correct answer.
Column I                          Column II
A. Choanocytes               1. Platyhelminthes
B. Cnidoblasts                 2. Ctenophora
C. Flame cells                  3. Porifera
D. Nephridia                   4. Coelenterata
E. Comb plates               5. Annelid

127. Match the following and select the correct answer.
Column I                          Column II
A. Choanocytes               1. Platyhelminthes
B. Cnidoblasts                 2. Ctenophora
C. Flame cells                  3. Porifera
D. Nephridia                   4. Coelenterata
E. Comb plates               5. Annelid

128. Find out the correctly matching set

129. Identify the molecules (a) and (B) shown below and select the right option giving their source and use.

Molecule                                     Source                                       Use
1) A - Cocaine                   Erythroxylum coca                Accelerates the                                                                                                                           transport of dopamine
2) B - Heroin                    Cannabis sativa                      Depressant and slows down                                                                                                     body functions
3) B - Cannabinoid              Atropa belladonna            Produces hallucinations
4) A - Morphine               Papaver somniferum            Sedative and pain killer

130. In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?

131. In which one of the following options the two examples are correctly matched with their particular type of immunity?
Examples                                                                   Type of immunity
1) Polymorphonuclear

leucocytes and monocytes                                      Cellular barriers
2) anti-tetanus and anti-snake

bite injections                                                            Active immunity
3) Saliva in mouth and

tears in eyes                                                              Physical barriers
4) mucous coating of epithelium lining                Physiological barriers
the urinogenital tract and the HCl in stomach

132. Choose the wrong statement.


 



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