Download App

STD 11 - 15. Body fluids and criculations — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 15. Body fluids and criculations4 Marks
MCQ
A person with blood group $- AB$ has
  • ✓
    $AB$ antigen
  • B
    $a$ and $b$ antibodies
  • C
    no antigen
  • D
    antibody-$a$
✓

Answer

Correct option: A.
$AB$ antigen
a
Persons with blood group-$AB$ are called universal recipients because both antigens $A$ and $B$ are found in their blood and the two antibodies $'a'$ and $'b'$ are absent. Therefore, such persons can receive blood of all the blood groups.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

An example of a disease of molecular mutation is
→
$A$ : Disease or infections which are transmitted through sexual intercourse are collectively called sexually
transmitted diseases.
$R$ : $STDs$ if not properly treated may lead to pelvic inflammatory diseases, abortion, still birth, ectopic
pregnancies, infertility or even cancer of reproductive tract.
→
IRV + ERV + TV represents
→
Arrange the given steps by which the Lungs show Inpiration, in the sequence of events occurring first

$I.$ Increase in the volume of the thoracic chamber in dorsoventral axis

$II.$ Upward and outward movement of the ribs

$III.$ Contraction of intercostal muscles

$IV.$ Entry of air inside the lungs

$V.$ Contraction of the diaphragm

$VI.$ Increase in the volume of the thoracic chamber in antero-posterior axis

Choose the correct option

→
Mammals have the ability to produce a concentrated urine. Which statement not match with production of concentrated urine ?
(i) The Henle's loop and vasa recta play a significant role in this.
(ii) Concentration of urine occurs by counter current mechanism.
(iii) The proximity between the Henle's loop and vasa recta, as well as the counter current in them increases osmolarity from cortex to medulla.
(iv) Osmolarity increasing from 300 mOsmol L' in the cortex to about 1200 mOsmol L' in the inner medulla.
(v) Osmolarity gradient from cortex to medulla is mainly caused by NaCl and urea.
(vi) Presence of osmolarity gradient helps in an easy passage of water from the collecting tubule thereby concentrating the filtrate (urine).
(vii) Human kidneys can produce urine nearly four times concentrated than the initial filtrate formed.
→
Which of the following muscles are not under the voluntary control of nervous system?
→
A man with blood group ‘$AB$' marries a woman with ‘$O$' blood group. In this situation
→
Assertion :Ultrafiltration takes place in presence of effective filtration pressure.
Reason : In ultrafiltration process, blood is filtered in Bowman’s capsule, filtered fluid contain protein and blood corpuscles also.
→
All vertebrates posseses a ...$A$.... Fishes have a ...$B$... chambered heart with atrium and ventricles. Amphibians and reptiles have a ...$C$... chambered heart. Bird and mammals have ...$D$... chambered of heart

Choose the correct option

→
Collecting duct of nephron extends kidney from cortex to
→