Botany - Online Test

Q1. In a test cross involving F1 dihybrid flies, more parental type offspring were produced than the recombination type offspring. This indicates
Answer : Option C
Explaination / Solution:
No Explaination.


Q2. Which of the following conditions represents a case of co-dominant genes?
Answer : Option D
Explaination / Solution:
No Explaination.


Q3. Removal of introns and joining of exons in a defined order during transcription is called
Answer : Option A
Explaination / Solution:
No Explaination.


Q4. An antibiotic gene in a vector usually helps in the selection of
Answer : Option B
Explaination / Solution:
No Explaination.


Q5.

In genetic engineering, gene of interest is transferred to the host cell through a vector. Consider the following four agents (1-4) in this regard and select the correct option about which one or more of these can be used as vectors

1. A bacterium 2. Plasmid 3. Plasmodium 4. Bacteriophage

Answer : Option B
Explaination / Solution:
No Explaination.


Q6. A free living nitrogen fixing cyanobacterium which can also form symbiotic association with the water fern Azolla
Answer : Option B
Explaination / Solution:
No Explaination.


Q7. In which of the following both pairs have correct combination?
Answer : Option C
Explaination / Solution:
No Explaination.


Q8. IUCN red list categories has developed criteria for threatened species. The criteria ‘C’ refers to
Answer : Option C
Explaination / Solution:
No Explaination.


Q9. A wheat variety, Atlas 66 which has been used as a donor for improving cultivated wheat, which is rich in
Answer : Option C
Explaination / Solution:
No Explaination.


Q10. The active principle trans-tetra hydro canabial is present in
Answer : Option C
Explaination / Solution:
No Explaination.