12th Biology Question Bank (2009-17)

(a) B_cell

(b) C_cell

(c) T₄_ lymphocyte

(d) Both (a) and (b)

(a) Both the statements are true and statement II is the correct explanation of statements I

(b) Both the statements are true, but statementsII is not the correct explanation of statements I

(c) statements I is true, but statements II is false.

(d) statement I is false, but statement II is true.

(a) Both the statements are true and statement II is the correct explanation of statements I.

(b) Both the statements are true, but statementsII is not the correct explanation of statements I

(c) statements I is true, but statements II is false.

(d) statement I is false, but statement II is true.

(a) Perticide

(b) Chicken breed

(c)Transgenic tomato

(d) Insecticidal protein

(a) Philadelphia

(b) Down's syndrome

(c) Albinism

(d) None of these

(a) Both the statements are true and statement II is the correct explanation of statements I.

(b) Both the statements are true but statementsII is not the correct explanation of statements I

(c) statements I is true, but statements II is false.

(d) statement I is false but statement II is true.

(a) Both the statements are true, and statement II is the correct explanation of statements I

(b) Both the statements are true, but statementsII is not the correct explanation of statements I

(c) statements I is true, but statements II is false.

(d) statement I is false but statement II is true.

(a) Primary nucleus

(b) Secondary nucleus

(c)Synergid

(d)Both a and b

(a) Bam HI

(b) E.coli

(c) Both (a) & (b)

(d) Hindi III

(a) HIV

(b) Cancer

(c) TB

(d) Cholera