Many bacteria in our digestive system synthesize vitamins for example vitamin_________?
(A) B1
(B) B2
(C) B12
(D) B6
It is very serious disease of brain which is caused by fungi________?
(A) ring worm
(B) meningitis
(C) hepatitis
(D) none of these
They are widespread as protective coatings on fruits and leaves?
(A) cholesterol
(B) waxes
(C) chitin
(D) all of these
Ingestion of some water with food in Amoeba takes place by the process of ______ ?
(A) Endosmosis
(B) Pinocytosis
(C) Phagocytosis
(D) None of these
Trisomy 21 is most common in mothers of the ________ age group.
(A) 15 to 19
(B) 20 to 34
(C) 35 to 39
(D) 40 to 45
The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?
(A) Lipids
(B) Carbohydrates
(C) Amino acids
(D) Protein and amino acids
The hormone that helps in Parthenocarpy?
(A) Abscisic acid
(B) Cytokinin
(C) Ethylene
(D) Gibberellin
Which of the following ” Tikka disease” is related with the crop?
(A) Musturd
(B) Paddy
(C) Ground nut
(D) None of these