Identify the INCORRECT match
(A) Blood group - A-( Anti -A antibodies in plasma)
(B) Platelets - Megakaryocytes (cells that fragment to produce platelets)
(C) Lymphocytes- 20-25%(% among WBC's)
(D) Granulocytes - Eosinophils , Basophils and neutrophils

Which of the following WBCs are phagocytic cells. (a) Monocytes (b) Neutrophils (c ) Basophils (d) Eosinophils

Consider the following statements (A-C) each with one or two blanks. (A) underline((1)) are the most abundant cells (60-65 percent) of the total WBCs and underline((2)) are the least (0.5-1 percent) among them (B) Platelets are cell fragments produced from underline((3)) (C) During clot formation, fibrins are formed by the conversion of inactive underline((4)) in the plasma by the enzyme underline((5)) Which one of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements ?

Arrange the following in ascending order of their number per mm^(3) present in blood (a) Basophils (b) Lymphocytes (c) Eosinophils (d) Neutrophils (e) Monocytes.

Which one is correct? (A) Blood = Plasma + WBC+ blood platelets + fibres (B) Neuron = Cyton + Dendrite/s + Axon(nerve fibre) (C) Plasma = Blood - Lymphocytes (D) Lymph = Plasma +RBC+ WBC

A blood sample was collected by a forensic lab for crime detection. Identify the cells that are not useful for DNA finger printing. (A) WBC & RBC (B) WBC & blood platelets (C) RBC & blood platelets (D) WBC only

Select the set of incorrect statements from the ones given below. A. Plasma is straw coloured and viscous in nature. B. Eosinophils are 2-3% of total WBC_(S) . C. Lymphocytes are the second-most abundant agranulocytes. D. Stroke volume is the amount of blood that each ventricle pumps during one minute.

Which of the following statements are incorrect ? (i) Leucocytes disintegrate in spleen and liver (ii) RBCs, WBCs and blood platelets are produced by bone narrow (iii) Neutrophils bring about destruction and detoxification of toxins of proteins origin (iv) Important function of lymphocytes is to produce antibodies.

Identify the correct statements about blood. A. Platelets are produced in the bone marrow. B. When haemoglobin combines with oxygen it forms carboxyhaemoglobin. C. Calcium ions play an important role in clotting of blood. D. Fibrins are formed by the conversion of fibrino gen by the enzyme thrombin.

(a) When a cell sends current through a resistance R_(1) for time t , the heat produced in the resistor is Q . When the same cell sends current through another resistance R_(2) for time t the heat porduced is again Q . Find internal resistance of the cell. (b) An electric kettle has coil A is swithched on, the water boils in 10min. and when coil b is switched on the water boils in 20min . Calculate the time taken by the water to boil if the coils connected in (i) series and (ii) parallel are swithched on. (c) The emf of battery E in the circuit shown in the figure is 15V and internal resistance 0.5ohm (i) What is the current drown from the battery? (ii) How much power is consumed in 6 ohm resistance? (d) A 500W heating unit is designed to opreate from a 115V line. (i) By what percentage will its heat output drop if the line voltage drops to 110V . Assuming no change in resistance? (ii) Taking variation of resistance with temperature into account. would the actual heat output drop be larger or smaller than case(i) (e) If emf of the cell is 1.8V and its internal resistance 2//3 Omega for the circuit shown in the figure what is the (i) current in 3 ohm resistance? (ii) Power consumed by the circuit from the battery? (i) for what value of R , power in R is maximum? .

Match the columns {:(,"Column I" ,, "Column II") , (a , "Neutrophils" , 1., "Single large nucleus "), (b , "Eosinophils" , 2., 2-3"lobed nucleus "), (c , "Basophils" , 3., "Kidney-shaped nucleus"), ( d , "Lymphocytes" , 4., 2-7"lobed nucleus "), (e , "Monocytes" , 5., "Bilobed nucleus"):}