List of top Biology Questions

Match the following columns and select the correct option.

	Column I		Column II
A	Organ of Corti	I	Connects middle ear and pharynx
B	Cochlea	II	Coiled part of the labyrinth
C	Eustachian tube	III	Attached to the oval window
D	Stapes oval window	IV	Located on the basilar membrane

The transverse section of a plant shows following anatomical features: 
(a) Large number of scattered vascular bundles surrounded by bundle sheath. 
(b) Large conspicuous parenchymatous ground tissue. 
(c) Vascular bundles conjoint and closed. 
(d) Phloem parenchyma absent. 
Identify the category of plant and its part

Presence of which of the following conditions in urine are indicative of Diabetes Mellitus ? (1) Uremia and Ketonuria (2) Uremia and Renal Calculi (3) Ketonuria and Glycosuria (4) Renal calculi and Hyperglycaemia

Match the following concerning essential elements and their functions in plants:

a	Iron	i	Photolysis of water
b	Zinc	ii	Pollen germination
c	Boron	iii	Required for chlorophyll biosynthesis
d	Manganese	iv	IAA biosynthesis

Which of the following statements about inclusion bodies is incorrect ?

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells ?

The sequence that controls the copy number of the linked DNA in the vector, is termed :

Which of the following would help in prevention of diuresis ?

Match the following columns and select the correct option.

Snow-blindness in Antarctic region is due to :

The size of Pleuropneumonia - like Organism (PPLO) is :

Match the following columns and select the correct option.

Column I		Column II
A	Floating Ribs	I	Located between second and seventh ribs
B	Acromion	II	Head of the Humerus
C	Scapula	III	Clavicle
D	Glenoid cavity	IV	Do not connect with the sternum

The first phase of translation is:

Meiotic division of the secondary oocyte is complete

Montreal protocol was signed in 1987 for control of:

Match the following columns and select the correct option.

LIST I Mineral		LIST II  States
A	Placenta	I	Androgens
B	Zona pellucida	II	Human Chorionic Gonadotropin (hCG)
C	Bulbo-urethral	III	Layer of the ovum glands
D	Leydig cells	IV	Lubrication of the Penis

Which of the following is put into Anaerobic sludge digester for further sewage treatment?

The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are :

Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.

Identify the wrong statement with reference to the gene T that controls ABO blood groups.

Select the correct match

Match the following columns and select the correct option.

The roots that originate from the base of the stem are:

In which of the following techniques, the embryos are transferred to assist those females who cannot conceive?

The infectious stage of Plasmodium that enters the human body is