When spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it

A. Remains unchanged

B. Takes up water an burst

C. Absorbs a little water

D. Loses water and shrivels

E. Becomes turgid

Urea is produced in the

A. Liver

B. Bladder

C. Spleen

D. Kidneys

E. Gall bladder

What is the genetic ratio of the F₂ generation if members of F generation are allowed to self-pollinate?

A. 1 tall : 3 short

B. 3 tall : 1 short

C. 1 tall : 1 short

D. 4 short : 0 tall

E. 4 tall : 0 short

The path taken by glucose from the ileum to the heart is

A. Ileum →hepatic portal vein →hepatic artery → vena cava → heart

B. Ileum → hepatic portal artery →hepatic artery → vena cava → heart

C. Ileum → hepatic portal vein → vena cava → heart

D. Ileum → hepatic vein → vena cava → heart

E. Ileum → hepatic portal vein → hepatic vein → vena cava → heart

Which of the following features can be used to identify the figure above

A. Position of 7

B. its circular nature

C. Number of 5

D. Presence of 3

E. width of 2

The main function of 6 is to

A. separate 5 from 7

B. produce more of 5 and 7

C. produce cork

D. translocate water and mineral salt

E. conduct carbondioxide to the other plant

The main function of 4 is to

A. surround inner tissues

B. produce cork

C. produce root hairs

D. produce lateral roots

E. produce more of 3

Which of the labelled part in the figure above will develop into new bulb?

A. 1

B. 4

C. 2

D. 3

E. 5

If an isolated living cell is left in distilled water for two hours, it is likely to

A. lose some of its water to the surrounding water

B. lose all of its water to the surrounding water

C. reproduce by binary fission

D. become more turgid

E. die due to excess water

Which of the following will not allow osmosis to take place

A. pig's bladder

B. cellophane

C. parchment paper

D. transparent polythene

E. cow's bladder