List of practice Questions

Match the following :

a	Inhibitor of catalytic activity	i	Ricin
b	Possess peptide bonds	ii	Malonate
c	Cell wall material in fungi	iii	Chitin
d	Secondary metabolite	iv	Collagen

Match the following columns and select the correct option.

Match the following columns and select the correct option.

	Column I		Column II
a	6- 15 pairs of gill slits	i	Trygon
b	Heterocercal  caudal fin	ii	Cyclostomes
c	Air Bladder	iii	Chondrichthyes
d	Poison sting	iv	Osteichthyes

Match the following columns and select the correct option.

Column I		Column II
A	Clostridium	I	Cyclosporin-A
B	Trichoderma	II	Butyric Acid
C	Monascus	III	Butyric Acid
D	Aspergillus niger	IV	Blood cholesterol lowering agent

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

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

Match the following columns and select the correct option.

Column I		Column II
A	Pituitary gland	I	Grave's disease
B	Thyroid gland	II	Diabetes mellitus
C	Adrenal gland	III	Diabetes insipidus
D	Pancreas	IV	Addison's disease

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

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

Match the following with respect to meiosis:

	Column I		Column II
A	Bt cotton	I	Gene therapy
B	Adenosine	II	Cellular defence deaminase deficiency
C	RNAi	III	Detection of HIV infection
D	PCR	IV	Bacillus thuringiensis

Match the following with respect to meiosis: 

a	Zygotene	i	Terminalization
b	Pachytene	ii	Chiasmata
c	Diplotene	iii	Crossing over
d	Diakinesis	iv	Synapsis

Select the correct option from the following:

Match the trophic levels with their correct species examples in grassland ecosystem.

	Column I		Column II
A	Fourth trophic level	I	Crow
B	Second trophic level	II	Vulture
C	First trophic level	III	Rabbit
D	Third tropical level Third tropical level	IV	Grass

Meiotic division of the secondary oocyte is complete

Montreal protocol was signed in 1987 for control of:

Name the enzyme that facilitates opening of DNA helix during transcription.

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

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

Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their :

Select the correct events that occur during inspiration.
(a) Contraction of diaphragm 
(b) Contraction of external inter - costal muscles 
(c) Pulmonary volume decreases 
(d) Intra pulmonary pressure increases

Select the correct statement.

Select the option including all sexually transmitted diseases.

Snow-blindness in Antarctic region is due to :

The body of the ovule is fused within the funicle at :

The enzyme enterokinase helps in conversion of:

The first phase of translation is: