EASY
12th Tamil Nadu Board
IMPORTANT
Earn 100

What is parthenogenesis? Give two examples from animals.

Important Questions on Reproduction in Organisms

HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 1 - Reproduction in Organisms>Evaluation>Q 8
Which type of reproduction is effective - Asexual or sexual and why?
HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 1 - Reproduction in Organisms>Evaluation>Q 9
The unicellular organisms which reproduce by binary fission are considered immortal. Justify.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 1 - Reproduction in Organisms>Evaluation>Q 10
Why is the offspring formed by asexual reproduction referred as a clone?
HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 1 - Reproduction in Organisms>Evaluation>Q 11
Some organisms like honey bees are called parthenogenetic animals. Give reason.
HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 1 - Reproduction in Organisms>Evaluation>Q 11
A male honeybee has 16 chromosomes whereas its female has 32 chromosomes. Give reason.
EASY
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 1 - Reproduction in Organisms>Evaluation>Q 12

Differentiate between the following:

External and Internal fertilization

HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 1 - Reproduction in Organisms>Evaluation>Q 12
Differentiate between regeneration in lizard and Planaria.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 1 - Reproduction in Organisms>Evaluation>Q 13
How is juvenile phase different from reproductive phase?