Which one is imino acid?

1.Which one of the following human cells do not contain mitochondria?

(A) Nerve cell
(B) Red blood cell
(C) Liver cell
(D) White blood cell    Answer: (B)

2.Which of the following is related to humoral immunity?

(A) T-lymphocyte
(B) B-lymphocyte
(C) I-lymphocyte
(D) P-lymphocyte  Answer: (B)

3.Which of the following species is restricted to a specific area?

(A) Sibling species
(B) Allopatric species
(C) Sympatric species
(D) Endemic species   Answer: (D)

4.Which of the following prevents the conversion of prothrombin to thrombin in an undamaged blood vessel?

(A) Calcium ions
(B) Thromboplastin
(C) Fibrinogen
(D) Heparin   Answer: (D)

5. Which one of the following is a unicellular, nonmotile desmid?

(A) Clostridium
(B) Chlorobium
(C) Cosmarium
(D) Chromatium  Answer: (C)

6. Which one of the following is a driving force for the process of ‘passive absorption of water in roots’?

(A) Root pressure
(B) The increase in imbibitional pressure in root cells.
(C) Transpiration in leaves
(D) Activity of aquaporins  Answer: (C)

7.  Which one of the following immunoglobulins is found as pentamer?

(A) IgG
(B) IgM
(C) IgA
(D) IgE   Answer: (B)

8. Which one of the following diseases is caused by Nosema bombycis in mulberry silkworm?

(A) Pebrine
(B) Muscadine
(C) Flacherie
(D) Grasserie    Answer: (A)

9.  Which one of the following cells is not a phagocytic cell?

(A) Macrophage
(B) Monocyte
(C) Neutrophil
(D) Basophil   Answer: (D)

10.  Which one of the following bacterium is used for production of transgenic plants

(A) Escherichia coli
(B) Bacillus thuringiensis
(C) Staphylococcus aureus
(D) Agrobacterium tumefaciens  Answer: (D)

11. Which one of the following animal phyla does not possess a coelom?

(A) Platyhelminthes
(B) Annelida
(C) Mollusca
(D) Echinodermata Answer: (A)

12. Which one is imino acid?

(A) Pepsin
(B) Proline
(C) Cysteine
(D) Renin  Answer: (B)

13. Which of the following would be in insignificant amount in xylem sap?

(A) Nitrates
(B) Phosphates
(C) Water
(D) Sugar    Answer: (D)

14. Which of the following substances can cure Parkinson’s disease?

(A) GABA
(B) Acetylcholine
(C) Dopamine
(D) Glutamic acid  Answer: (C)

15.Which of the following is the correct pathway for propagation of cardiac impulse?

(A) SA node ® AV node ® Bundle of His ® Purkinje fibers
(B) AV node ® Bundle of His ® SA node ® Purkinje fibers
(C) SA node ® Purkinje fibers ® AV node ® Bundle of His
(D) Purkinje fibers ® AV node ® SA node ® Bundle of His Answer: (A)