KCET 2009 Answer key, KCET 2009 Chemistry, KCET 2009 Bio, KCET 2009 Maths, KCET 2009 Phys.

1. Which of the following hormones does ----
Ans: 2, 4 - D

Sol: 2, 4 – D is a synthetic plant growth regulator.

2. A large quantity of fluid is filtered every day by the nephrons ----

Ans: Is reabsorbed into the blood.

Sol: Only a part of the fluid is excreted along with waste material.

3. When DNA replication ---

Ans: The hydrogen bonds between the nucleotide of the two strand break.

Sol: Single stranded DNA acts as template.

4. Fleshy fruits with stony endocarp ---

Ans: Drupe.

Sol: Mango and coconut are the common examples of drupe.