GENERAL INSTRUCTIONS (Please read the following instructions very carefully)
1. Question marks are mentioned with each Question.
2. Please write neat and clean hand-writing on Answer Sheet. Use Margin on right side and left side of Answer Sheet.
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5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
6. Take photo of all the Sheets and make single pdf file.
1
The presence of ________________ chromosome is required for developing into a female.
X
Y
O
Both (A) and (B)
2
In _______________________ variation, chromosomes are not transmittable to future generations.
Germinal
Evolution
Somatic
Nuclear
3
Which one is found in male only?
X-chromosome
Y-chromosome
2X-chromosome
X+Y-chromosome
4
Expected children of a blue eyed woman and brown eyed man who had a blue eyed mother are likely to be ______________________________
All brown eyed
All blue eyed
One blue eyed and one brown eyed
Three blue eyed and one brown eyed
5
____________ of the unborn child depends on whether the zygote has XX or XY chromosomes.
Sex
Size
Health
Maturity
6
A sexually produced individual is called ________________
Clone
Offspring
Progeny
All of the above
7
What determines the sex of an individual?
Sex chromosomes
Number of chromosomes
Autosomal chromosomes
Size of the chromosomes
8
A pair of contrasting characters is called __________________
phenotype
genotype
allele
gene
9
Law of independent assortment given by Mendel started through ____________
Dihybrid cross
Monohybrid cross
Both of these
None of these
10
How many sex chromosomes are present in a human cell?
1 pair
2 pairs
3 pairs
4 pairs
11
Independent assortment of Mendel was proved by __________________________
Incomplete dominance
Black cross
12
Which combination of sex chromosomes is present in a male?
XX
XY
YY
13
Each cell will have two copies of each chromosome, one inherited from ________________
One Parent
Each Parent
Only Father
Only Mother
14
Eye color in the fruit fly is said to be sex-linked. This simple means that the gene for eye colour is ______________________
On the Y chromosome
On an autosome.
On the X and Y chromosomes
On the X chromosome.
15
Deoxy ribonucleic acid (DNA) consists of simple sugar phosphate and four nitogrn bases , which one of the following groups of nitrogen bases is present in DNA molecule?
Adenine, guanine, thymine, uracil
Cytosine, guanine, thymine, uracil
Adenine, thymine, guanine, cytosine
Adenine, cytosine, thymine, uracil