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How many pairs of contrasting characters in pea were selected by Mendel?
A
7
B
3
C
4
D
2
Correct Answer:
7
Study the following statements.
1. In a monohybrid cross, we study two characters.
2. Garden pea (Pisum sativum) reproduces asexually in nature.
3. In incomplete dominance, one gene (dominant) is mixed with the other gene (recessive).
4. Mendel choose seven visible characters, each with two contrasting forms.
Which of the statements given above is are false?
A
1, 2 and 3
B
1 and 2
C
2 and 3
D
1, 3 and 4
How many pairs of contrasting characters were studied by Mendel?
A
4
B
7
C
8
D
14
Assertion (A) Mendel worked on garden pea (Pisum sativum).
Reason (R) Garden pea belongs to family-Malvaceae.
A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true, but R is not the correct explanation of A
C
A is true, but R is false
D
A is false, but R is true
Round and wrinkled seeds were one of the contrasting traits used by Mendel to devise the laws of inheritance.
A
True
B
False
One New York publisher has estimated that 50,000 to 60,000 people in the United States want an anthology that includes the complete works of William Shakespeare. And what accounts for this renewed interest in Shakespeare? As scholars point out, his psychological insights into both male and female characters are amazing even today.
This paragraph best supports the statement that
A. Shakespeare's characters are more interesting than fictional characters today.
B. people even today are interested in Shakespeare's work because of the characters.
C. academic scholars are putting together an anthology of Shakespeare's work.
D. New Yorkers have a renewed interested in the work of Shakespeare.
E. Shakespeare was a psychiatrist as well as a playwright.
A
A
B
B
C
C
D
D
Mendel selected garden pea as his experimental material because its advantages include:
A
It is a perennial plant
B
It has perfect bisexual flowers containing both male and female parts
C
Plants are heterozygous
D
The flowers are predominantly crosspollinating
Mendel selected pea plant for his experiment because
A
they are cheaper
B
these are easily available
C
these are of great economic importance
D
they have contrasting traits
Which of the following is not a pair of contrasting traits studied by Mendel?
A
Green and yellow pods
B
Full and constricted pods
C
Axial and terminal flowers
D
Pink and white flowers
If you were to sample garden pea plants in Mendel’s garden, which of the following statements would hold?
A
Round seeds were more abundant than wrinkled seeds
B
Wrinkled seeds were more abundant than round seeds
C
Both round and wrinkled seeds were equally abundant
D
Answer depends on the time of day when sampling is done
Mendel did not face the problem of linkage, however, seven characters studied by him were located on how many chromosomes
A
Four
B
Three
C
Six
D
Five