Trung tâm khảo thí trực tuyến-Online Test Center-

Kiến thức tổng quát || Trắc nghiệm IQ Trắc Nghiệm Sinh Học Trắc Nghiệm Thiên Văn Học Địa Lý - Môi Trường Lịch sử

Biotechnology - 30

1-	It is highly valued if the lymphocytes derived from the lymph node or tonsil tend to undergo fusion at
	A -	high frequencies
	B -	moderate frequencies
	C -	low frequencies
	D -	at no frequency
2-	Small simple molecules are
	A -	poor antigens
	B -	rich antigens
	C -	moderate antigens
	D -	heterophilic antigens
3-	The EBV-hybridoma technique
	A -	immortalizes the donor Bcells
	B -	facilitates the proliferation of antigen specific B cells
	C -	gives much higher hybridization frequencies
	D -	All of the above
4-	Helper T cells assist in the functions of
	A -	certain B cells
	B -	certain T cells
	C -	certain B cells and other T cells
	D -	None of the above
5-	In immuno-inflammatory diseases such as hemolytic anaemia, eczema etc.,
	A -	T8 cells are greatly reduced
	B -	T8 cells are greatly increased
	C -	T4 cells are greatly reduced
	D -	T4 cells are greatly increased
6-	Which of the following is incorrect?
	A -	MAbs can be used to diagnose or treat diseases
	B -	MAbs can be used in tumor scanning
	C -	MAbs canbe used in cancer diagnosis
	D -	MAbs can not be used in such non-infectious diseases as those of endocrine system
7-	The antigen-specific lymphocytes can be immortalized by which of the following method?
	A -	Transfection with tumor derived DNA
	B -	Hybridization with a suitable lymphoid tumor cell
	C -	Transformation following infection by Epstein-Barr virus (EB V)
	D -	All of the above
8-	A cytokine that stimulates the activity of B and T cells is
	A -	lymphotoxin
	B -	interlukin-2
	C -	interlukin-1
	D -	All of these
9-	Which type of cell actually secrets antibodies?
	A -	plasma cells
	B -	T cells
	C -	macrophages
	D -	dendritic cells
10-	Which of the following is correct?
	A -	rabbits do not make myelomas whereas mice are unable to synthesize antibodies
	B -	rabbits do not make myelomas whereas mice are able to synthesize antibodies
	C -	rabbits make myelomas whereas mice are unable to synthesize antibodies
	D -	rabbits make myelomas whereas mice are able to synthesize antibodies

[Người đăng: Thành Lãm - ST]

Ghé thăm Kênh của Vị Sư "hai lần chết đi sống lại"
Tu Si Chau Soc Thon
https://www.youtube.com/channel/UCoyC9WTTVR-M3qpTKKEXGnQ

Chau Soc Thon Official Channel