Zoology
Mental retardation in children suffering from galactosemia can be avoided by:
A.
Giving them more proteinous diet
B.
Giving them more milk
C.
Giving them milk free diet
D.
Giving them milk fortified with vitamins
The animal protoplasm constitute nearly 1 to 2 parts of carbohydrates. These are made of:
A.
Carbon and Hydrogen
B.
Carbon, Hydrogen and Oxygen
C.
Carbon, Hydrogen and Nitrogen
D.
Carbon, Hydrogen and Calcium
If a man from sea coast of Mumbai is taken to Mount Everest:
A.
His breathing rate will increase, but heart rate will decrease
B.
His breathing rate will decrease, but heart beat will increase
C.
His breathing rate and heart beat will increase
D.
His breathing rate and heart beat will decrease
Cell is also known as the physiological unit of the body because:
A.
Cell perform all activities exclusively
B.
All metabolic reaction take place in nucleus within the cell
C.
All metabolic reaction take place in cytoplasm within the cell
D.
The enzymes which catalyze biological oxidation are formed within the cell
With respect to development of frog, which one of the following pairs is not correctly matched?
A.
Cleavage : Holoblastic
B.
Morula : Blastomeres
C.
Blastula : Balstopore
D.
Gastrula : Triploblastic
During Ornithine cycle the two products which are formed into a relatively harmless compounds are:
A.
Ammonia and CO2
B.
Urea and CO2
C.
Ammonia and Urea
D.
Urea and Uric acid
The maximum quantity of usable energy per molecule of glucose broken down, is obtained through:
A.
Aerobic respiration in a muscle cell
B.
Anaerobic respiration in a muscle cell
C.
Lactic acid formation in a muscle cell
D.
Lactic acid formation in a liver cell
Volumetrically the vital capacity of a human lungs is equal to:
A.
Inspiratory capacity + Expiratory reserve volume
B.
Residual capacity + Inspiratory Capacity
C.
Inspiring capacity + Residual capacity
D.
Total lung capacity + Residual capacity
During biological oxidation, pyruvic acid is:
A.
One of the intermediate products in the TCA cycle
B.
A precursor for lactic acid formation
C.
Decarboxylated oxidatively, yielding CO2
D.
Yielding only during the absence of oxygen
Each human kidney has nearly:
A.
1 million nephrons
B.
2 million nephrons
C.
0.75 million nephrons
D.
0.5 million nephrons
Inside the Bowman's capsule of rabbit the:
A.
Afferent arteriole capillaries to form glomerulus
B.
Efferent arteriole capillaries to form glomerulus
C.
Both afferent and efferent arteries capillaries to form glomerulus
D.
Renal vein capillaries to form golmerulus
Morphological and physiological unit of vertebrate kidney is:
A.
Nephrons
B.
Ureter
C.
Urinary bladder
D.
Epididymis
If the light source in front of an eye becomes bright suddenly:
A.
Focus of lens will change
B.
Pupil will contract
C.
Retinal blood supply will be cut off
D.
Viterous humour will become granular
The ear ossicle of mammals are arranged in which one of the following orders starting from the ear drum inwards?
A.
Stapes, Malleus, Incus
B.
Stapes, Incus, Stapes
C.
Incus, Malleus, Stapes
D.
Malleus, Incus, Stapes
Which one of the following compounds is not a constituent of the electron transport system?
A.
Carnitine
B.
Cytochrome C
C.
Nicotinamide Adenine Dinucleotide
D.
Ubiquinone
An artery can be distinguished from a vein in having:
A.
Impure blood only
B.
Thicker wall with no valve
C.
Thin wall with no valve
D.
Thicker wall with valves
In rabbit, the venous blood from anterior part of the body is collected by:
A.
Right and left precavals
B.
Precavals and postcavals
C.
Left precavals
D.
Right and left postcavals
The cervical vertebrae of rabbit are characterized by:
A.
Long transverse process
B.
Presence of odontoid process
C.
High neural spine
D.
Vertebrarterial canal
In birds the skin is devoid of glands except:
A.
Sebaceous glands
B.
Sweat glands
C.
Scent glands
D.
Uropygeal glands
Respiration in neries is taken care of by:
A.
Pharynx
B.
Book-gills
C.
Nuchal organs
D.
Parapodia
Paraxial organs are found in the body of:
A.
Unio
B.
Scorpion
C.
Prawn
D.
Taenia
Which of the following is false about Unio?
A.
The chief respiratory organs of Unio are book-lungs
B.
The foot of Unio is wedge-shaped
C.
The blood vascular system of Unio is open type
D.
Osphradium is one of the sense organs found in Unio
Hypobranchial gland in Pila are associated with:
A.
Digestion
B.
Excretion
C.
Respiration
D.
Reproduction
Bursa Fabricius is a gland which is present:
A.
In the urodaeum of cloaca and helps in digestion of adult birds
B.
Near the fallopian tube and secrets a hormone for the maturation of ovum in adult mammals
C.
Around the prostate gland of mammals and produces pheromones
D.
In young birds, is lymphatic in nature and produces antibodies
Endocrine hormones in prawn are secreted by the:
A.
Green gland
B.
Coxal gland
C.
Neural gland
D.
Sinus gland