Biology Test

Question 1
1 / -0

Under normal aerobic conditions, pyruvic acid is oxidized to CO₂and Water in cellular organelles, known as:

A
Golgi apparatus

B
Ribosome

C
Chloroplast

D
Mitochondria

Question 2
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Which among the following is the largest phylum of Animalia?

A
Arthropoda

B
Mollusca

C
Ctenophora

D
Platyhelminthes

Question 3
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Dentition in man is said to be thecodont because

A
There are two sets of teeth.

B
There are different types of teeth.

C
Root and crown are distinct.

D
Teeth are set in sockets.

Question 4
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Southern blotting is:

A
Attachment of probes to DNA fragments.

B
Transfer of DNA fragments from electrophoretic gel to a nitrocellulose sheet.

C
Comparison of DNA fragments to two sources.

D
Transfer of DNA fragments to electrophoretic gel from cellulose membrane.

Question 5
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Which of the following hypothesis explain vesicle fusion?

A
Lipid raft hypothesis

B
SNARE hypothesis

C
Cell adhesion hypothesis

D
Cell kill hypothesis

Question 6
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With reference to the evolution of the Earth's atmosphere, consider the following statements:

(A) The earliest atmosphere of the Earth is believed to have been composed of primarily Hydrogen and Helium.

(B) Outgassing from volcanos led to predomination of water vapour in the Earth's atmosphere.

(C) Permanent gases in the current atmosphere include Nitrogen, Ozone and Water Vapour.

Which of the above statements is/are correct?

A
(A) and (B)

B
(B) and (C)

C
(A) and (C)

D
All of the above

Question 7
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What is the serous membrane of the abdominopelvic cavity called?

A
Pericardium

B
Peritoneum

C
Pleura

D
Tunica serosa

Question 8
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In the cell-mediated immune response, \(T\) lymphocytes divide and secrete _____________.

A
Antigens

B
Plasmogens

C
Collagens

D
Cytokines

Question 9
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Which of the following causes arterial and bronchial constriction and platelet aggregation?

A
Prostaglandin \(\mathrm{E}_{2}\)

B
Prostaglandin \(A_{2}\)

C
Prostaglandin \(\mathrm{D}_{2}\)

D
Thromboxane \(A_{2}\)

Question 10
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Active immunity is _____________.

A
Borrowed from an active case

B
Developed in direct response to disease

C
The product of borrowed antibodies

D
Passive immunity that is activated

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Biology Test - ...

Question 1

Golgi apparatus

Ribosome

Chloroplast

Mitochondria

Question 2

Arthropoda

Mollusca

Ctenophora

Platyhelminthes

Question 3

There are two sets of teeth.

There are different types of teeth.

Root and crown are distinct.

Teeth are set in sockets.

Question 4

Attachment of probes to DNA fragments.

Transfer of DNA fragments from electrophoretic gel to a nitrocellulose sheet.

Comparison of DNA fragments to two sources.

Transfer of DNA fragments to electrophoretic gel from cellulose membrane.

Question 5

Lipid raft hypothesis

SNARE hypothesis

Cell adhesion hypothesis

Cell kill hypothesis

Question 6

(A) and (B)

(B) and (C)

(A) and (C)

All of the above

Question 7

Pericardium

Peritoneum

Pleura

Tunica serosa

Question 8

Antigens

Plasmogens

Collagens

Cytokines

Question 9

Prostaglandin \(\mathrm{E}_{2}\)

Prostaglandin \(A_{2}\)

Prostaglandin \(\mathrm{D}_{2}\)

Thromboxane \(A_{2}\)

Question 10

Borrowed from an active case

Developed in direct response to disease

The product of borrowed antibodies

Passive immunity that is activated

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