(A) thyroid  (X)
(B) pancreas ()
(C) parathyroid  (X)
(D) all of these  (X)

Answers: pancreas

(A) Cinamomum Camphora ()
(B) Cinamomum Zelamicum  (X)
(C) Curaima longa  (X)
(D) All of these  (X)

Answers: Important ingredient used in Vicks vapor rub is obtained from the plant Cinamomum Camphora.

(A) heat treatment   (X)
(B) hormone treatment   (X)
(C) colchicine treatment  (X)
(D) breeding with their wild relatives ()

Answers: Plants can be made disease resistant by breeding with their wild relatives.

(A) DNA only  (X)
(B) DNA & RNA (X)
(C) Proteins only (X)
(D) DNA, RNA & Proteins ()

Answers: DNA, RNA & Proteins

(A) omnivores (X)
(B) carnivores (X)
(C) herbivores (X)
(D) scavengers ()

Answers: Flesh eaters are called scavengers.

(A) some bacteria left unkilled  (X)
(B) production of more bacteria  (X)
(C) bacteria becoming sensitive to antibiotics (X)
(D) bacteria becoming resistant to antibiotics ()

Answers: bacteria becoming resistant to antibiotics