STD 11 - 3. Plant kingdom — NEET STD 11 Science — Question

Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid?

Which abiotic factor is not essential for early growth of the plant but growth is sustained only in its presence?

Lateral meristem is responsible for

The tissue which participates in the secondary growth is

The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?

Identify the correct and incorrect statements from the following.
i. 17,500 new cells are produced per hour by a single maize root apical meristem.
ii. With the help of length, growth of pollen tube is measured.
iii. The growth of the leaf is measured in term of volume.
iv. Cells in a watermelon may increase in size by up to 3,50,000 times.

What happens in mitosis

Some times the change in allele frequency is so different in the new sample of population that they become a different species the original drifted population becomes founders and the effect is called

Dioecious condition prevents