Maintenance of constant internal environment of the body is known as _________

(a)

Homeostasis

(b)

Homeophytes

(c)

Homeokinesis

(d)

Homeophilics

In the absence of oxygen, glucose is broken down in to ________.

(a)

Lactic acid

(b)

Citric acid

(c)

Acetic acid

(d)

Nitric acid

_________ cells are specialised cells that can be transformed into any kind of cells.

(a)

Nerve

(b)

Stem

(c)

Heart

(d)

Bone

Osmosis is the movement of water molecules from a ______.

(a)

Higher concentration to a region of lower concentration.

(b)

Lower concentration to a region of higher concentration.

(c)

Both of these

(d)

None of these

The erythrocyte is placed in _________ solution which has lesser concentration of solutes and greater concentration of water than in the cytoplasm.

(a)

Hypotonic

(b)

Hypertonic

(c)

Neutral

(d)

Acidic

_________make up organs

(a)

Cells

(b)

Tissues

(c)

Organ system

(d)

None of the above

_________are called as building blocks of life

(a)

Cells

(b)

nucleus

(c)

Cell organelles

(d)

tissues

_______tissues for conduction of nerve impalses

(a)

Epithelial

(b)

Muscular

(c)

Nervous

(d)

Supporting

_____is a thin transparent membrane that is spread across the sclera

(a)

Cornea

(b)

Conjunctiva

(c)

Retina

(d)

Ciliary body

_________million alveoli located at the end of branchial tubes

(a)

480

(b)

300

(c)

100

(d)

200