Zoology - Online Test

Q1. Which one of the following cannot be explained on the basis of Mendel’s Law of Dominance?
Answer : Option C
Explaination / Solution:
No Explaination.


Q2. At which stager HIV infection does one usually show symptoms of AIDS?
Answer : Option C
Explaination / Solution:
No Explaination.


Q3. ABO blood groups in humans are controlled by the gene I. It has three alleles – IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?
Answer : Option C
Explaination / Solution:
No Explaination.


Q4. Match each disease with its correct type of vaccine


Answer : Option C
Explaination / Solution:
No Explaination.


Q5. Which one of the following symbols and its representation, used in human pedigree analysis is correct?
Answer : Option A
Explaination / Solution:
No Explaination.


Q6. Which of the following is correct regarding AIDS causative agent HIV?
Answer : Option A
Explaination / Solution:
No Explaination.


Q7. Which one of the following conditions correctly describes the manner of determining the sex in the given example?
Answer : Option A
Explaination / Solution:
No Explaination.


Q8. A normal-visioned man whose father was blind, marries a woman whose father was also colour blind. They have their first child as a daughter. What are the chances that this child would be colour blind?
Answer : Option B
Explaination / Solution:
No Explaination.


Q9. Which of the following statements is not true of two genes that show 50 per cent recombination frequency
Answer : Option B
Explaination / Solution:
No Explaination.


Q10. A pleiotropic gene:
Answer : Option C
Explaination / Solution:
No Explaination.