Which of the following processes does not contribute
towards growth?

A. Cell division

B. Cell enlargement

C. Cell differentiation

D. Cell plasmolysis

The aspects of growth in living organisms include all
the following processes except

A. increase in dry weight

B. reversible increase in size

C. irreversible increase in length

D. increase in number of cells

Support in young herbaceous plants is provided by

A. translocation

B. guttation

C. turgidity

D. osmosis

Which of the following heart structures is best adapted
to cope with double circulation?

A. One auricle and one ventricle

B. Two auricles and one ventricle

C. Two auricles and partially divided ventricle

D. Two auricles and two ventricles

Which of these factors does not contribute towards
the ascent of water in plants?

A. Root pressure

B. Capillarity

C. Transpiration pull

D. Turgor pressure

Gaseous exchange occurs through the following structures in some organisms except

A. spiracle and tracheae

B. alveoli and lungs

C. stomata and lenticels

D. chloroplast and plastids

Which of the following organs in mammals is not excretory in function?

A. Liver

B. Kidney

C. Pancreas

D. Lungs

The ventricles of the mammalian heart have thicker
muscular walls than the auricles because the

A. ventricles are larger

B. ventricles receive more blood

C. ventricles pump blood to longer distances

D. auricles have smaller capacity

Which of the following substances is not an excretory product in mammals?

A. Carbon dioxide

B. Water

C. Faeces

D. Urea

An organism which maintains a constant temperature irrespective of environmental temperature fluctuation is

A. an insect

B. a mammal

C. an amphibian

D. a fish