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Consider the following statements and choose the correct answer:<br>1. The outer membrane of the nuclear envelope forms vesicles by 'blebbing'<br>2. The Golgi membranes have been variously described as originating from the plasmalemma nuclear envelope, annulate lamellae and ER<br>3. Vesicles arising from the Golgi complex fuse to form the plasmalemma<br>4. The Golgi complex cisternae form primary Iysosomes by blebbing
A
Only 1, 2 and 3 are correct
B
Only 2 and 3 are correct
C
Only 1 and 3 are correct
D
1, 2, 3 and 4 are correct
Correct Answer:
1, 2, 3 and 4 are correct
Consider the following statements.
1. The chain reaction process is used in nuclear bombs to release a vast amount of energy, but in nuclear reactors, there is no chain reaction.
2. In a nuclear reactor, the reaction is controlled, while in nuclear bombs, the reaction is uncontrolled.
3. In a nuclear reactor, all operating reactors are 'critical', while there is no question of 'critically' in case of a nuclear bomb.
4. Nuclear reactors do not use moderators, while nuclear bombs use them.
Which of the above statements about operational principles of a nuclear reactor and a nuclear bomb is/are correct?
A
1 and 3
B
2 and 3
C
4 only
D
1 and 4
What is responsible for the transport of materials from the cis cisternae to the trans cisternae of the Golgi complex?
A
active diffusion
B
passive diffusion
C
translocon
D
transport vesicles
Consider the following statements regarding the nuclear pores and choose the correct answer:
1. At the margin of each pore the outer and inner membranes are continuous
2. The pores have been described as being hexagonal
3. The pores are randomly distributed in many nuclei
A
Only 1 is correct
B
Only 1 and 3 are correct
C
1, 2 and 3 are correct
D
None of the above
The cisternae on the forming face of the Golgi complex are constantly being formed by fusion of vesicles derived from the
A
Mitochondria
B
Endoplasmic reticulum
C
Nuclear membrane
D
Lysosomes
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives.
Raising effective primary and district-level coverage of mental health services for the general population, without requiring people to travel longdistances to see a specialist and get medicines, should be a priority. _________________ the base of psychiatrists is low in relation to the need,the use of trained general practitioners as the first line of contact assumes importance. Some studies show many of them are not confident________________ with their training to detect, diagnose and manage mental illnesses. ______________ a concerted effort, primary carephysicians can be trained to help people with mild and severe problems, ________________ from anxiety disorders to depression, psychosesand conditions arising from alcohol and substance _______________. psychoses and conditions arising from alcohol and substance _______________.
A
abuse
B
eating
C
sale
D
withdrawal
Golgi stack is the stack of Golgi cisternae.
A
True
B
False
The outer membrane of the nuclear envelope forms finger like processes which are pinched off into the cytoplasm. This process has been called
A
Budding
B
Blebbing
C
Detoxification
D
None of the above
The common artificial membranes that have been used as analogues to the plasmalemma in biological study include
A
Epidermis from the scale of an onion
B
Outer membrane of the intestine
C
Copper ferrocyanide membrane
D
Both A and C
While moving from cis cisternae to the trans cisternae, which molecule does not leave the cisternal lumen?
A
membrane proteins
B
procollagen
C
oligosaccharides
D
lysosomal proteins
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives.
Raising effective primary and district-level coverage of mental health services for the general population, without requiring people to travel longdistances to see a specialist and get medicines, should be a priority. _________________ the base of psychiatrists is low in relation to the need,the use of trained general practitioners as the first line of contact assumes importance. Some studies show many of them are not confident________________ with their training to detect, diagnose and manage mental illnesses. ______________ a concerted effort, primary carephysicians can be trained to help people with mild and severe problems, ________________ from anxiety disorders to depression, psychosesand conditions arising from alcohol and substance _______________. ______________ a concerted effort, primary care physicians can be trained
A
To
B
For
C
But
D
With