These NEET Questions From Cell The Unit Of Life are most important for your upcoming competitive examinations including NEET, AIIMS are other board exams of Class-8, Class-9, Class-10, Class-11, and Class-12.
NEET Questions From Cell The Unit Of Life
1. The integrated genetic material of a virus is called __________________
a) Viroid
b) Provirus
c) Virus-like-particle (VLP)
d) Prion
Answer: b
2. Virus like particles (VLP) are ____________
a) Immunogenic and infectious
b) Immunosuppressive and infectious
c) Infectious but not immunogenic
d) Immunogenic but not infectious
Answer: d
3. Which of the following viruses have DNA as its genetic material?
a) Tobacco Mosaic Virus
b) Potato Mosaic Virus
c) Tomato Mosaic Virus
d) Cauliflower Mosaic Virus
Answer: d
4. HIV antagonizes the ___________ cell in human body.
a) Red Blood Cell (RBC)
b) Cytotoxic T cell
c) B cell
d) Helper T cell
Answer: d
5. Which of the following has the largest DNA sequence?
a) Pithovirus sibericum
b) Megavirus chilensis
c) TMV
d) T4 bacteriophage
Answer: b
6. Which of the following enables a Dengue virus to affect human beings?
a) RNA Polymerase enzyme
b) DNA Polymerase enzyme
c) Reverse Transcriptase enzyme
d) Gyrase enzyme
Answer: c
7. Viruses can be cultivated in_________________
a) Whole plant
b) Cell lines
c) Chick Embryo
d) All of the mentioned
Answer: d
8. The capsomeres contain small protein subunits known as ___________________
a) Protomeres
b) Capsoproteins
c) Prions
d) None of the mentioned
Answer: a
9. Which of the following viruses is found in saliva?
a) HIV
b) Dengue virus
c) Hepatitis B virus
d) Epstein-Barr virus (EBV virus)
Answer: d
10. How many structural and non-structural proteins are there in the dengue virus?
a) 7 ; 2
b) 3 ; 8
c) 3 ; 7
d) 3 ; 9
Answer: c
11. Which of the following is released when a Hydrogen atom loses an electron?
a) Nucleus
b) Proton
c) Charge
d) Ion
Answer: b
12. Which of the following is an example of amphoteric molecule?
a) Acetic acid
b) Malic acid
c) Sugars
d) Water
Answer: d
13. What is the full form of pH?
a) Positive hydrogen
b) Potential Hydrogen
c) Positron
d) Proton of hydrogen
Answer: b
14. A solution having a pH of 6 has a proton concentration of _______
a) 10-6 M
b) 106 M
c) 6 M
d) 0.6 M
Answer: a
15. What is the concentration of pure water?
a) 55.51 M
b) 25.51 M
c) 55 M
d) 25 M
Answer: a
16. In presence of an acid, amino group can be ____________
a) Polarized
b) Washed away
c) Protonated
d) Replaced
Answer: c
17. Buffers react with _______________ ions.
a) hydrogen, hydroxyl
b) magnesium, calcium
c) potassium
d) sodium
Answer: a
18. Buffers usually contain ________________ with its conjugate ____________
a) weak base, base
b) strong base, acid
c) weak acid, base
d) weak acid, acid
Answer: c
19. Carbonic acid and bicarbonate ions buffer which of the following?
a) Cytosol
b) Cytoplasm
c) Blood
d) Lymph
Answer: c
20. Heptoses are __________
a) sugars
b) proteins
c) amino acids
d) monomers
Answer: a
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