| 1 |
How many contrasting pairs of characters of pea plant were studied bu mendel? |
one
three
five
seven
|
| 2 |
The are how many hydrogen bonds between cytosine and guanine? |
one
two
three
four
|
| 3 |
Adenine always pairs with: |
thymine
guanine
cytosine
uracil
|
| 4 |
It is a homozygous genotype: |
AA
aa
Aa
both A and B
|
| 5 |
How many genotypes are possible for the allele ''A'' and ''a'' ? |
two
three
four
seven
|
| 6 |
The alternate forms of a gene are called: |
traits
companion genes
alleles
homologous genes
|
| 7 |
In human body cells the number of chromosomes present are: |
23
46
52
48
|
| 8 |
Genes are located on: |
Chromosomes
proteins
nucleotide
DNA
|
| 9 |
Inside testes the sperms are produced in: |
vas deferens
sperms duct
seminiferous
collecting ducts tubules
|
| 10 |
Seed is formed form: |
ovary
ovule
radicle
plumule
|
| 11 |
in the life cycle of plants how many generations alternate with each other? |
two
four
five
three
|
| 12 |
The function of male and female gametes is called: |
fertilization
pollination
propagation
reproduction
|
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