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Subject: Biology, asked on 11/11/20

1. Assertion : Dominant allele is an allele whose phenotype expresses even in the presence of another  allele of that gene.
       Reason : It is represented by a capital letter, e.g. T.
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
(c) If Assertion is true but Reason is false.
(d) If Reason is true but Assertion ls false.
(e) If both Assertion and Reason are false.
 

Subject: Biology, asked on 11/11/20

Which statement is true for a dominant allele?
  1. It cannot undergo mutation
  2. It gives a greater chance of survival than a recessive allele
  3. It gives the same phenotype in heterozygotes and homozygotes
  4. It is only responsible for male characteristics

Subject: Biology, asked on 25/11/20

What is the relationship among DNA, a gene, and a chromosome?
A) A chromosome contains hundreds of genes, which are composed of DNA.
B) A chromosome contains hundreds of genes, which are composed of protein.
C) A gene contains hundreds of chromosomes, which are composed of protein.
D) A gene is composed of DNA, but there is no relationship to a chromosome.
E) A gene contains hundreds of chromosomes, which are composed of DNA.

Subject: Biology, asked on 30/9/20

Yasir saloni yha aao dono ......or saloni tu to spcly daat khaegi aaj yha aa tu

Subject: Biology, asked on 27/10/20

After self-pollination in pea plants with round, yellow seeds, following types
of seeds were obtained by Mendel:
Seeds Number
Round, yellow 630
Round, green 216
Wrinkled, yellow 202
Wrinkled, green 64
Analyse the result and describe the mechanism of inheritance which explains
these results.

Subject: Biology, asked on 20/10/20

What is the difference between factors and alleles?

Subject: Biology, asked on 24/4/21

In the following crosses, write the characteristics of the progeny:
a) RrYy x RrYy
b) rryy x rryy
c) RRYY x rryy

Subject: Biology, asked on 25/11/20

If Bb is a gene pair of an individual then the alleles for this gene pair are
(a) A and B
(b) a and A
(c) a and b
(d) b and B
Is the right answer (d)? Kindly explain.

Subject: Biology, asked on 22/8/20

what was the mendel's contribition of trait???

Subject: Biology, asked on 21/12/20

in a typical Mandelin cross between tall plants having wrinkled seeds and short plants with round seed . If all the F1 plants are tall with round seeds then what will be the ratio between parental combinations in F2 generation and write the phenotype of new mixtures that are seen in F2 generation stating the reason of their appearance .

Subject: Biology, asked on 22/8/20

Hlw frnds ....... Hru ???:-)

Subject: Biology, asked on 15/9/20

Hlo freinds bt kro koi

Subject: Biology, asked on 20/6/21

A long neck yellow giraffe Tt Yy mates with a short neck orange giraffe tt yy

Subject: Biology, asked on 30/8/20

Aaj sach me bht bura lg rha hai ....aaj to sach me lg rha hai koi v oyaar nhi krta kishe ko yaad nhi aati mere hone na hone se koi v fark nhi pdta .....aab sab aaege puchege kya hua esha nhi hai par seriously bolu to esha he hai or plz kii mt he aana bo he best hai plz

Subject: Biology, asked on 14/12/20

advantages of blood group A B AB O....any disadvantage ?

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