ICSE Class 10 Biology Question 3 of 12

Solved 2016 Question Paper ICSE Class 10 Biology — Question 2

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Question

Question 2(b)

Differentiate between the following pairs on the basis of what is mentioned within brackets: [5]

(i) Human skin cell and Human ovum (number of chromosomes)

(ii) Sperm duct and fallopian tube (function)

(iii) Red Cross and WHO (one activity)

(iv) Rod cells and cone cells (pigment)

(v) LUBB and DUP (names of the valves whose closure produce the sound)

Answer

(i) Difference between Human skin cell and Human ovum (number of chromosomes)

Human skin cellHuman ovum
Human skin cell contains 46 chromosomesHuman ovum contains 23 chromosomes.

(ii) Difference between Sperm duct and fallopian tube (function)

Sperm ductFallopian tube
Transports sperms from testis to urethraTransports Ovum into uterus. Fertilization takes place here and then zygote travels down into uterus via the Fallopian tubes (Oviduct)

(iii) Difference between Red Cross and WHO (one activity)

Red CrossWHO
It procures and supplies blood for the victims of war and other calamities.It promotes and supports projects for research on diseases.

(iv) Difference between Rod cells and Cone cells (pigment)

Rod cellsCone cells
Rhodopsin / Visual PurpleIodopsin / Visual Violet

(v) Difference between LUBB and DUP (names of the valves whose closure produce the sound)

LUBBDUP
Bicuspid and tricuspid valvesSemilunar valves.