in which of the following disorders, blood has a defective hemoglobin

1.  haematoma

2.  sickle cell anaemia

3.  haemophilia

4.   haematuria

View Answer  
4
Correct Answer :

sickle cell anaemia


Explanation :
No Explanation available for this question

Assertion: Gram-negative bacteria do not retain the stain when washed with alcohol Reason: The outer face of outer membrane of gram negative bacteria contains lipopolysaccharides, a part of which are integrated into the membrane lipids

1.  Botha re true with reason being correct explanation

2.  Both are true but reason is not correct explanation

3.  Assertion true but reason is wrong

4.  Both are wrong

View Answer  
4
Correct Answer :

Botha re true with reason being correct explanation


Explanation :
No Explanation available for this question

right handedness is dominant over left handedness. most probable gene types with two right handed parents having left handed child is

1.  RR × rr

2.  Rr × RR

3.  RR × Rr

4.  R r× Rr

View Answer  
4
Correct Answer :

R r× Rr


Explanation :
No Explanation available for this question

Assertion: Eukaryotic cells have the ability to adopt a variety of shapes and carry out directed movements Reason: There are three principal types of protein filaments-microfilaments, microtubules and intermediate filaments which constitute the cytoskeleton

1.  Botha re true with reason being correct explanation

2.  Both are true but reason is not correct explanation

3.  Assertion true but reason is wrong

4.  Both are wrong

View Answer  
4
Correct Answer :

Botha re true with reason being correct explanation


Explanation :
No Explanation available for this question

the condition trisomic is referred to as

1.  2n

2.  2n+1

3.  2n-1

4.  3n

View Answer  
4
Correct Answer :

2n+1


Explanation :
No Explanation available for this question

What is common between chlorop[lasts, chloroplasts and leucoplasts

1.  Presence of pigments

2.  Possession of thylakoids and grana

3.  Storage of starch protein and lipids

4.   Ability to multiply by a dission like process

View Answer  
4
Correct Answer :

Ability to multiply by a dission like process


Explanation :
No Explanation available for this question

in human sex, determination factor is

1.  Y-chromosome

2.  X-chromosome

3.  both

4.  none of  these

View Answer  
4
Correct Answer :

Y-chromosome


Explanation :
No Explanation available for this question

Nucleolus is formed by

1.  Vesicles of E.R

2.  Sat chromosome

3.  RNA

4.  Nuclear membrane

View Answer  
4
Correct Answer :

Sat chromosome


Explanation :
No Explanation available for this question

down's syndrome is caused by non-disjunction of

1.  X-chromosome

2.  Y-chromosome

3.  autosomes

4.  42nd chromosome of  drosophila

View Answer  
4
Correct Answer :

autosomes


Explanation :
No Explanation available for this question

Golgi apparatus is surrounded by a clear zone

1.  Zone of exclusion

2.  Zone of inclusion

3.  Zone of transition

4.  Zone of separation

View Answer  
4
Correct Answer :

Zone of exclusion


Explanation :
No Explanation available for this question
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