MSC [MICROBIOLOGY/BIOTECHNOLOGY] MCQ – 9

MSC [MICROBIOLOGY/BIOTECHNOLOGY] MCQ - 9

 

Dear Aspirants,
MSC (MICROBIOLOGY /BIOTECHNOLOGY) MCQs, MSC {LIFE SCIENCE}, it is helpful to the Entrance Exam and lab assistant Labotroy Exam HPSSSB, MSC Exams. You can also play our weekly quiz and download all quizzes PDF as well

 

1 Genetic drift is on account of 
A Variation
B Decrease in population
C Increase in population
D Mutation
 
2 Which of the following is a primary lymphoid organ?
A Lymph node
B Thymus
C Spleen
D Peyer’s patches
3 Which one of following is not a lymphocyte 
A T cell
B B cell
C Natural killer cell
D Dendritic cell
4 Which one of the following is responsible for the movement of O2 from alveoli of the lungs into the blood in pulmonary capillaries
A Active transport
B Secondary active transport
C Facilitated diffusion
D Passive diffusion
5 Which one of the following shows the development of a syncytial blastoderm?
A Frog
B Bird
C Insect
D Starfish
6 Testosterone is secreted by which of the following cells of the testis?
A  Spermatozoa
B Sertoli’s cells
C Leydig’s cells
D Spermatids
7 Crossing over takes place in which of the following stages of prophase 1 of meiosis?
A Pachytene
B Leptotene
C Zygotene

D Diplotene

8 Each of the following agents is recognized cause of diarrhea except
A Clostridium prefringens
B Vibrio cholerae
C Enterococcous faecalis
D Escherichia coli

9 In your opinion, what would happen to actin if troponin and tropomyosin complex is removed from the muscle?
A Actin will strongly bind with myosin
B Actin – myosin interaction will be inhibited
C Actin will convert into G-actin
D ATP hydrolyzing sites at myosin head get deactivated

10 The bond angle in H2O is
A 101.9
B 104.5
C 107.3
D 109.5

 

Question
1
2
3
4
5
6
7
8
9
10
  Answer
B
D
C
A
C
A
C
A
B

 

 

# MSC [MICROBIOLOGY/BIOTECHNOLOGY] MCQ-8

 

 

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