ETEA MDCAT Past Paper 2017 Page 1

ETEA MDCAT Past Paper 2017

1- The compound that cannot undergo addition reaction is:

A. Cyclopropane

B. Benzene

C. Butyne

D. None of the above

View Answer

Answer : B. Benzene

Description

2- Benzene gives more stable product when undergo:

A. Electrophilic addition reaction

B. Oxidation reaction

C. Electrophilic substitution reaction

D. Nucleophilic addition reaction

View Answer

Answer : C. Electrophilic substitution reaction

Description

3- For callus formation, auxin and cytokinin are required in which ratio?

A. Balanced

B. Only cytokinin required

C. Low auxin, very high cytokinin

D. Only auxin

View Answer

Answer : A. Balanced

Description

4- For which purpose myeloma cells (cancerous B.lymphocytes) are used in the production of monoclonal antibodies?

A. Increased rate of cell division

B. Immunization with antigen

C. To avoid contamination

D. As nutrient in media

View Answer

Answer : A. Increased rate of cell division

Description

5- DNA polymerase adds nucleotides to the 3' end of the primer so the direction of replication will be?

A. 5′ to 3′

B. 3′ to 5′

C. 3′ end of the primer to 3′ end of template strand

D. 3′ end of the template strand to the 3′ end of the primer

View Answer

Answer : A. 5' to 3'

Description

6- The range of projectile is the same for two angles which are mutually?

A. Perpendicular

B. Supplementary

C. Complementary

D. 270°

View Answer

Answer : C. Complementary

Description

7- A wave of amplitude 20mm has intensity Ix. another wave of the same frequency but of amplitude 5mm has intensity Iy. What is Ix/Iy?

A. 2

B. 4

C. 16

D. 256

View Answer

Answer : C. 16

Description

8- The resistance of a device is designed to change with temperature. What is the device?

A. A light dependent resistor

B. A potential divider

C. A semiconductor diode

D. A thermistor

View Answer

Answer : D. A thermistor

Description

9- I enjoy____tennis.

A. to play

B. plays

C. playing

D. to playing

View Answer

Answer : C. playing

Description

10- Catalytic converter reduces the emission of?

A. Unburnt hydrocarbons

B. CO

C. NO

D. All of the above

View Answer

Answer : D. All of the above

Description

11- What is the name of the carboxylic acid given below? HOOC(CH₂)₃COOH

A. Propanedioic acid

B. Pentane dioic acid

C. Pentane dicarboxylic acid

D. Propane dicarboxylic acid

View Answer

Answer : B. Pentane dioic acid

Description

12- OH⁻(alcoholic) + CH₃(CH₂)₂Br → Product. The nature of OH⁻ in the above reaction is:

A. Nucleophile

B. Lewis base

C. Ligand

D. All of the above

View Answer

Answer : D. All of the above

Description

13- When the sperm count is high, inhibin hormone release increases which:

A. Inhibits anterior pituitary release follicle stimulating hormone

B. Increase anterior pituitary release of follicle stimulating hormone

C. Inhibit release of luteinizing hormone

D. Increase release of luteinizing hormone

View Answer

Answer : A. Inhibits anterior pituitary release follicle stimulating hormone

Description

14- Implantation of embryo takes place in which week of pregnancy?

A. 1st

B. 2nd

C. 3rd

D. 4th

View Answer

Answer : C. 3rd

Description

15- XX-XY type of sex determination pattern is present in which of the following organisms?

A. Humans

B. Butterflies

C. Grasshopper

D. Drosophila

View Answer

Answer : A. Humans

Description

16- When will 1 C of charge pass a point in an electrical circuit?

A. When 1A moves through a voltage of 1V

B. When a power of 1W is used for 1s

C. When the current is 5mA for 200s

D. When the current is 10A for 10s

View Answer

Answer : C. When the current is 5mA for 200s

Description

17- A cell of internal resistance 2.0Ω and electromotive force (e.m.f) 1.5V is connected a resistor of resistance 3.0Ω. What is the potential difference across the 3.0Ω resistor?

A. 5V

B. 1.2V

C. 0.9V

D. 0.6V

View Answer

Answer : C. 0.9V

Description