Sexual maturity in human females is attained around the age of ___________ years.
5-10
12-14
20-25
None of these
Pollination takes place within the same flower or between two flowers of the same plant is called ______________.
Cross-pollination
Self Pollination
Wind pollination
After fertilization the _______________ fixes itself on the wall of the uterus.
Sperm
Ovum
Zygote
_______________ is a bisexual animal.
Amoeba
Paramecium
Hydra
______________ helps in the evolution of the most favourable variations over a period of time.
Growth
Development
Reproduction
Binary Fission takes place in ___________________.
Rhizopus
Yeast
The undifferentiated mass of tissues are called ______________.
Cells
Callus
Seeds
Which one is a monocot seed?
Palm
Pea
Bean
Mango
Which one of the following have a good power of regeneration?
Rose
Spirogyra
Name an organism which has the power of regeneration?
Earth worm
Hat worm