The most abundant class of immunoglobulins in serum is __________.
(A) IgM
(B) IgA
(C) IgD
(D) IgG
The most abundant class of immunoglobulins in serum is __________.
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Questions and Answers
In which of the following processes is glutaraldehyde used as a sterilizing agent?
In which of the following processes is glutaraldehyde used as a sterilizing agent?
(A) Pasteurization
(B) Incineration
(C) Cold sterilization
(D) Autoclaving
1 Answer
Who among the following scientists was the pioneer in the development of chemotherapy?
Who among the following scientists was the pioneer in the development of chemotherapy?
(A) Elie Metchnikoff
(B) Robert Koch
(C) Paul Ehrlich
(D) Ronald Ross
1 Answer
Which one of the following organisms has axial filaments?
Which one of the following organisms has axial filaments?
(A) Mycobacterium tuberculosis
(B) Pasteurella multocida
(C) Treponema pallidum
(D) Shigella dysenteriae
1 Answer
Which one of the following bacterial species can cause atypical pneumonia?
Which one of the following bacterial species can cause atypical pneumonia?
(A) Chlamydia pneumoniae
(B) Streptococcus pneumoniae
(C) Klebsiella pneumoniae
(D) Haemophilus influenzae
1 Answer
Which of the following combinations of plant secondary metabolites and their functions is/are CORRECT?
Which of the following combinations of plant secondary metabolites and their functions is/are CORRECT?
(A) Anthocyanin − Herbivore deterrence
(B) Pyrethrin − Insecticidal activity
(C) Phytoalexins − Antifungal activity
(D) Tannins − Pollinator attraction
1 Answer
Identify the CORRECT combination(s) between the enzymes in Group 1 and the reactions in Group 2 they catalyze.
Identify the CORRECT combination(s) between the enzymes in Group 1 and the reactions in Group 2 they catalyze.
| Group 1 | Group 2 |
|---|---|
| (P) Superoxide dismutase | (i) Formation of hydrogen peroxide |
| (Q) Phosphoenolpyruvate carboxylase | (ii) Formation of oxaloacetate |
| (R) Ribulose 1,5-bisphosphate carboxylase/oxygenase | (iii) Formation of 3-phosphoglycerate |
| (S) Hexokinase | (iv) Formation of glucose-6-phosphate |
(A) P−iii, Q−ii, R−iv, S−i
(B) P−i, Q−ii, R−iii, S−iv
(C) P−ii, Q−iv, R−i, S−iii
(D) P−i, Q−iii, R−ii, S−iv
1 Answer
Identify the CORRECT combination(s) of plant natural products and the categories they belong to.
Identify the CORRECT combination(s) of plant natural products and the categories they belong to.
(A) Dhurrin − Phenolic compounds
(B) Farnesene − Terpenoids
(C) Naringenin − Cyanogenic glycosides
(D) Vincristine − Alkaloids
1 Answer
Which of the following combinations of plant diseases and the types of their causal organisms is/are CORRECT?
Which of the following combinations of plant diseases and the types of their causal organisms is/are CORRECT?
(A) Late blight of potato − Bacteria
(B) Black rot of crucifer − Bacteria
(C) Tungro disease of rice − Mycoplasma
(D) Root knot of tomato − Nematode
1 Answer
Match the types of ecological energy productivity in Group 1 with their respective definitions in Group 2.
Match the types of ecological energy productivity in Group 1 with their respective definitions in Group 2.
| Group 1 | Group 2 |
|---|---|
| (P) Net primary productivity | (i) Total amount of energy produced by autotrophs |
| (Q) Gross primary productivity | (ii) Amount of energy stored by autotrophs after respiration |
| (R) Net productivity | (iii) Net gain of energy by the consumers after energy loss |
| (S) Secondary productivity | (iv) Unused amount of energy after consumption by heterotrophs |
(A) P−iii, Q−ii, R−iv, S−i
(B) P−ii, Q−i, R−iii, S−iv
(C) P−ii, Q−i, R−iv, S−iii
(D) P−iv, Q−i, R−ii, S−iii
1 Answer
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Sourav
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Questions: 20
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