Control and Co-ordination — BIOLOGY STD 12 Science — Question

Epiphytic orchid and mango tree, Ascaris and human, Egret and cattle, Lichen having alga and fungus, Bumblebee and flowering plant, Plasmodium vivax and man.

Column A	Column B
(1) Mutualism	————–
(2) Commensalism	—————
(3) Parasitism	————–

Classify the following: (i) Provide tissues for human transplants
(ii) Cancer research
(iii) E. coli hygromycin resistant gene
(iv) Supply of factor IX.

Column A: (Transgenic animal)	Column B : (Application)
(a) Transgenic mice	——————
(b) Transgenic cattle	——————
(c) Pig clones	——————
(d) Transgenic fish	——————

Classify the following:
(i) Serum albumin (ii) Bicarbonates (iii) Urea (iv) Sulphates of sodium (v) Fibrinogen (vi) Uric acid

Column A	Column B
(1) Plasma proteins	————
(2) Nitrogenous waste	————
(3) Inorganic salts	————

Complete the following table:

Carcinogen	Organ affected
N-nitrosodimethlene	————–
Aflatoxin	———-
————–	Vagina
————–	Urinary bladder
————–	Prostate
————–	Skin and lungs

Complete the table given below by putting a tick (✓) in the boxes where applicable.

Action	Reflex	Voluntary
1. Touching a hot object	———-	———–
2. Releasing saliva on smelling food	———–	————
3. Applying a car’s brakes in an emergency	————	————–
4. Blinking of eyes when a small insect touches the eye	———–	————

Complete the table

Plasmodium species	Incubation period	Pattern of fever
————	————–	High fever after 48 hours.
————–	28 days	————–
————–	17 days	————-
————	————-	High fever at irregular intervals between 22 to 48 hours.

Complete the chart of ABO blood group system and answer the questions given below:


Questions:
(i) Which blood group from the above table is called universal acceptor?
(ii) Which blood group from the above table is called universal donor?