ETEA MDCAT Past Paper 2019

161- Platyhelminthes are?

A. Bilaterally symmetrical and diploblastic
B. Bilaterally symmetrical and triploblastic
C. Radially symmetrical and triploblastic
D. Radially symmetrical and diploblastic

Answer : B. Bilaterally symmetrical and triploblastic

162- The scientific name of freshwater mussel is:

A. Mytilus edulis
B. Loligo peali
C. Anodonta grandis
D. Anodonta bairdi

Answer : C. Anodonta grandis

163- Potamogeton is an example of ______.

A. Xerophytes
B. Mesophytes
C. Hydrophytes
D. Halophytes

Answer : C. Hydrophytes

164- _____ stimulates fruit ripening:

A. Cytokinins
B. Abscisic acid
C. Ethylene
D. Auxin

Answer : C. Ethylene

165- A condition in which abnormally large volume of urine is produced is?

A. Polydipsia
B. Polyuria
C. Polyphagia
D. Polyanysisia

Answer : B. Polyuria

166- The bulbourethral glands produce:

A. Acidic fluid
B. Alkaline fluid
C. Semen
D. Mucus

Answer : B. Alkaline fluid

167- HIV destroys a type of defense cell in the body called a ______ helper lymphocyte.

A. TD4
B. T4
C. C4
D. CD4

Answer : D. CD4

168- Acetabularia crenulata has a ______ shaped cap.

A. Irregular
B. Umbrella
C. Regular
D. Disc

Answer : B. Umbrella

169- He confided ______ me.

A. about
B. in
C. on
D. of

Answer : B. in

170- He said, “you need not wait”. Choose the correct indirect speech.

A. He said that I need not wait
B. He said you needed no wait
C. He said that wait was not need by you
D. He said that you must not wait

Answer : A. He said that I need not wait

171- Which one is more soluble in water?

A. Secondary amines
B. Tertiary amines
C. Quaternary amines
D. All are insoluble

Answer : C. Quaternary amines

172- The number of peaks given by ethane thiol in NMR spectrum are:

A. 2
B. 3
C. 4
D. None 

Answer : A. 2

173- C₄H₁₁N gives the type of isomerism:

A. Metamerism
B. Optical isomerism
C. Tautomerism
D. None

Answer : A. Metamerism

174- The incorrect statement regarding gas having high value of coefficient of attraction:

A. Having higher critical temperature
B. Easy to be liquified
C. Less soluble in water
D. None

Answer : C. Less soluble in water

175- Which one can form more acidic oxide?

A. Sc
B. Mn
C. V
D. Ti

Answer : B. Mn

176- Hydration of hydrocarbon give carbonyl compound, the general formula of that hydrocarbon is:

A. CₙH₂ₙ
B. CₙH₂ₙ₊₂
C. CₙH₂ₙ₋₂
D. Both CₙH₂ₙ and CₙH₂ₙ₋₂

Answer : D. Both CₙH₂ₙ and CₙH₂ₙ₋₂

177- Two blocks “A” and “B” having masses 3kg and 4kg are raised to the same height from earth surface. The ratio of gravitational potential of “A” to that of “B” is?

A. 4:3
B. 3:4
C. 1:1
D. None

Answer : C. 1:1

178- Heat and work are equivalent. This means:

A. When we do work on a body we supply heat to it
B. When we supply heat to a body we do work on it
C. The temperature of a body can be increased by doing work on it
D. Heat and work are not inter convertible

Answer : C. The temperature of a body can be increased by doing work on it

179- The velocity time plot for a particular moving on a straight line is shown in the figure?

A. The particle has a constant acceleration
B. The particle has never turned around
C. The data is insufficient
D. The particle has zero displacement

Answer : A. The particle has a constant acceleration

180- Mark out the correct option:

A. The energy of any small part of a string remains constant in a travelling wave
B. The energy of any small part of a string remains constant in standing wave
C. The energies of all small parts of equal length are equal in a travelling wave
D. The energies of all small parts of equal length are equal in a standing wave

Answer : B. The energy of any small part of a string remains constant in standing wave

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