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HSSC Laboratory Assistant (26-11-2023)
📆 November 18, 2024
Total Questions: 100
21.
Functions of smooth endoplasmic reticulum include:
(a) synthesis of lipids and steroids
(b) the role in cellular metabolism
(c) storage and metabolism of calcium
(d) All of the above
(e) Unattempted
Correct Answer:
(d) All of the above
22.
The brightest star in the sky is:
(a) Antares
(b) Betelgeuse
(c) Vega
(d) Sirius
(e) Unattempted
Correct Answer:
(d) Sirius
23.
__________ is defined as a permanent alteration/change in the sequence of bases of DNA.
(a) Mutation
(b) Alteration
(c) Both a and b
(d) None of the above
(e) Unattempted
Correct Answer:
(a) Mutation
24.
Haryana was carved out of Punjab as the __________ Indian State.
(a) 5th
(b) 12th
(c) 15th
(d) 17th
(e) Unattempted
Correct Answer:
(d) 17th
25.
__________ which lacks ribosomes on its surface, occurs mainly in the form of tubules.
(a) Rough endoplasmic reticulum
(b) Smooth endoplasmic reticulum
(a) Rough endoplasmic reticulum
(d) All of the above
(e) Unattempted
Correct Answer:
(b) Smooth endoplasmic reticulum
26.
In __________ case, the memory manager places a process in the smallest block of unallocated memory in which it will fit.
(a) best fit
(b) first fit
(c) worst fit
(d) None of these
(e) Unattempted
Correct Answer:
(a) best fit
27.
Group O individuals have __________ agglutinins.
(a) Anti-A
(b) Anti-B
(c) Anti-A and Anti-B
(d) None of these
(e) Unattempted
Correct Answer:
(c) Anti-A and Anti-B
28.
The seismic waves which are the first to arrive at the surface of the earth are called:
(a) primary waves
(b) secondary waves
(c) surface waves
(d) None of these
(e) Unattempted
Correct Answer:
(a) primary waves
29.
__________ is the expression of various characters of inherited traits as per genetic makeup by bacterial cells in a given environment.
(a) Phenotype
(b) Genotype
(c) Both a and b
(d) None of the above
(e) Unattempted
Correct Answer:
(a) Phenotype
30.
Diffusion of molecules across the membrane along the concentration gradient through carrier proteins is known as:
(a) simple diffusion
(b) facilitated diffusion
(c) Both a and b
(d) None of the above
(e) Unattempted
Correct Answer:
(b) facilitated diffusion
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