A living organism is differentiated from non-living structure based on _______.

(a)

Reproduction

(b)

Growth

(c)

Metabolism

(d)

All the above

Every unit of classification regardless of its rank is _____.

(a)

Taxon

(b)

Variety

(c)

Species

(d)

Strain

Cladogram considers the following characters _______.

(a)

Physiological and Biochemical

(b)

Evolutionary and Phylogenetic

(c)

Taxonimic and systematic

(d)

None of the above

The symmetry exhibited in cnidarians is ______.

(a)

Radial

(b)

Bilateral

(c)

Pentamerous radial

(d)

Asymmetrical

Four chambered heart is present in _______.

(a)

Lizard

(b)

Snake

(c)

Scorpion

(d)

Crocodile

Which of the following is an egg laying mammal?

(a)

Delphinus

(b)

Macropus

(c)

Ornithorhynchus

(d)

Equus

Prevention of substances from leaking across the tissue is provided by ______.

(a)

Tight junction

(b)

Adhering junction

(c)

Gap junction

(d)

Elastic junction

Choose the wrong statement among the following :

(a)

In earthworm, a single male genital pore is present.

(b)

Setae help in locomotion of earthworms.

(c)

Muscular layer in the body wall of earthworm is made up of circular muscles only

(d)

Typhlosole is part of the intestine of earthworm

The sphincter of Oddi guards _____.

(a)

Hepatopancreatic duct

(b)

Common bile duct

(c)

Pancreatic duct

(d)

Cystic duct

Which one is incorrectly matched?

(a)

Pepsin - Stomach

(b)

Renin -Liver

(c)

Trypsin - Intestine

(d)

Ptyalin - Mouth

Which of the following is not true regarding intestinal villi?

(a)

They possess microvilli.

(b)

They increase the surface area.

(c)

They are supplied with capillaries and the lacteal vessels

(d)

They only participate in digestion of fats.

The Tidal Volume of a normal person is ______.

(a)

800 mL

(b)

1200 mL

(c)

500 mL

(d)

1100 - 1200 mL

CO₂ is transported through blood to lungs as _____.

(a)

carbonic acid

(b)

oxyhaemoglobin

(c)

carbamino haemoglobin

(d)

carboxy haemoglobin

Blood group is due to the presence or absence of surface _______.

(a)

Antigens on the surface of WBC

(b)

Antibodies on the surface of  RBC

(c)

Antigens on the surface of RBC

(d)

Antibodies on the surface of WBC

Erythroblastosis foetalis is due to the destruction of ______.

(a)

Foetal RBCs

(b)

Foetus suffers from atherosclerosis

(c)

Foetal WBCs

(d)

Foetus suffers from minamata

At the venous end of the capillary bed, the osmotic pressure is _____.

(a)

Greater than the hydrostatic pressure

(b)

Result in net outflow of fluids

(c)

Results in net absorption of fluids

(d)

No change occurs

At any given time there is more blood in the venous system than that of the arterial system. Which of the following features of the veins allows this?

(a)

Relative lack of smooth muscles

(b)

Presence of valves

(c)

Proximity of the veins to lymphatic's

(d)

Thin endothelial lining

Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through _____.

(a)

Aquaporins

(b)

Spectrins

(c)

GLUT

(d)

Chloride channels

The bundle of muscle fibres is called _____.

(a)

Myofibrils

(b)

fascicle

(c)

sarcomere

(d)

sarcoplasm

Each skeletal muscle is covered by ______.

(a)

epimysium

(b)

perimysium

(c)

endomysium

(d)

hypomysium

Synovial fluid is found in _____.

(a)

Ventricles of the brain

(b)

Spinal cord

(c)

Immovable joint

(d)

Freely movable joints

Assertion(A): The imbalance in concentration of Na⁺, K⁺ and proteins generates action potential.
Reason(R): To maintain the unequal distribution of Na⁺ and K⁺, the neurons use electrical energy.

(a)

Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.

(b)

Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.

(c)

Assertion is true, but Reason is false.

(d)

Both Assertion and Reason are false

Several statements are given here in reference to cone cells Which of the following option indicates all correct statements for cone cells? Statements
(i) Cone cells are less sensitive in bright light than Rod cells
(ii) They are responsible for colour vision
(iii) Erythropsin is a photo pigment which is sensitive to red colour light
(iv) They are present in the fovea of retina

(a)

(iii), (ii) and (i)

(b)

(ii), (iii) and (iv)

(c)

(i), (iii) and (iv)

(d)

(i), (ii) and (iv)

A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of ____.

(a)

Low secretion of growth hormone

(b)

Cancer of the thyroid gland

(c)

Over secretion of pars distalis

(d)

Deficiency of iodine in diet

Isinglass is used in _____.

(a)

Preparation

(b)

Clearing of wines

(c)

Distillation of wines

(d)

Preservation of wines