TN 12TH BOTANY - Online Test
Q1. Profundal zone is predominated by heterotrophs in a pond ecosystem, because of
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. An association of individuals of different species living in the same habitat and having functional interactions is
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. One green house gas contributes 14% of total global warming and another contributes 6%. These are respectively identified as
Answer : Option B
Explaination / Solution:
No Explaination.
Q4. The quickest method of plant breeding is
Answer : Option B
Explaination / Solution:
No Explaination.
Q5. This is an example of brush fibre yielding plant
Answer : Option D
Explaination / Solution:
No Explaination.
Q6. Selection is a method of
Answer : Option C
Explaination / Solution:
No Explaination.
Q7. Size of pollen grain in Myosotis
Answer : Option A
Explaination / Solution:
No Explaination.
Q8. Geitonogamy involves
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. In Mendel’s experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy?
Answer : Option D
Explaination / Solution:
No Explaination.
Q10. A Pleiotropic gene
Answer : Option A
Explaination / Solution:
No Explaination.
