(a) Find
(b) Replace
(c) Search
(d) lookup
Answer:
The product of equivalent weight and valency of an element is equal to
(a) Atomic weight
(b) Molecular weight
(c) Vapour density
(d) Specific heat
Answer:
Smallest oranism which cause disease
(a) Mycoplasm
(b) Bacteria
(c) Virus
(d) All of these
Answer:
Litmus paper used in laboratary obtained from
(a) Fungi
(b) Lichen
(c) Green algae
(d) Blue-green algae
Answer:
Which microorganism causes hepatitis B?
(a) Bacteria
(b) Virus
(c) Protozoa
(d) None of these
Answer:
Companion cells are usually seen associated with
(a) Sieve tube
(b) Vessels
(c) Fibers
(d) Tracheids
Answer:
Number of stomata is less and sunkin in
(a) Xerophytes
(b) Hydrolphytes
(c) Mesophytes
(d) Halophytes
Answer:
Nitrogen fixing enzyme found in root nodules is
(a) Nitrosomans
(b) Nitrase
(c) Nitrogen estrase
(d) Nitrogenase
Answer:
Study of ductless land is called
(a) Euthenics
(b) Ecoloy
(c) Embryoloy
(d) Endocrinology
Answer:
Ornithology is the study of
(a) Fishes
(b) Bat
(c) Mamal
(d) Birds
Answer: