21.

What is common between earthworm and Periplaneta

• Both have red coloured blood

• Both possess anal styles

• Both have malpighian tubules

• Both have segmented body

In a normal adult, ascending order of concentration of following molecules is

• K>Na>Fe>Cu

• Na>K>Cu>Fe

• Fe> Na> K > Cu

• Na> Fe> K > Cu

Which of the following statements is incorrect about G₀ phase

• Mitosis occurs after G₀ phase.

• Biocatalysts can be used to exit G₀ phase.

• Cell volume keeps on increasing during this phase.

• Cell metabolism occurs continuously in G₀ phase.

Select the option having all correctly matched pairs.
A. Alkaloids (i) Carotenoid; Anthocyanin
B. Pigments (ii) Vinblastin; curcumin
C. Drugs (iii) Morphine; Codeine

• A-i; B-ii;C-iii

• A-ii; B-iii; C-i

• A-iii; B-i; C-ii

• A-i; B-iii; C-ii

Dust, oolong and brick are varieties of

• coffee

• pepper

• tea

• lavang

Ventricular diastole occurs due to a/an

• organ system

• cell organelle

• tissue

• organ

Plants having the above given floral diagram are

• leguminous

• dicots

• medicinal and perennial

• having pinnately compound leaves

Select the correct statement.

• Particulate matter of size 10 um can create severe damage to the lungs.

• Particulate matter of size greater than 2.5 µm can get trapped in lungs and cause problems.

• Particulate matter of size less than 2.5 µm penetrate deep into lungs.

• None of the above.

Pebrine in silkworms is caused by

• Dugesia

• Monocystis

• Nosema

• Plasmodium

Which of the following is a homopolysaccharide

• Heparin

• Inulin

• Pectin

• Hyaluronic acid