HSSC Laboratory Assistant (26-11-2023)

Total Questions: 100

21. Functions of smooth endoplasmic reticulum include:

Correct Answer: (d) All of the above

22. The brightest star in the sky is:

Correct Answer: (d) Sirius

23. __________ is defined as a permanent alteration/change in the sequence of bases of DNA.

Correct Answer: (a) Mutation

24. Haryana was carved out of Punjab as the __________ Indian State.

Correct Answer: (d) 17th

25. __________ which lacks ribosomes on its surface, occurs mainly in the form of tubules.

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.

Correct Answer: (a) best fit

27. Group O individuals have __________ agglutinins.

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:

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.

Correct Answer: (a) Phenotype

30. Diffusion of molecules across the membrane along the concentration gradient through carrier proteins is known as:

Correct Answer: (b) facilitated diffusion