EASY
Earn 100

Why is sexual reproduction so common in higher multicellular organisms?

Important Questions on Reproduction in Organisms

MEDIUM
If the haploid number of chromosomes in a plant is 20, how many chromosomes will be present in the cells of the shoot tip?
HARD
How is the chromosomal number maintained in sexually reproducing organisms?
EASY
How many chromosomes are present in meiocytes of a fruit fly?
MEDIUM
Give a significant point of  difference between the oestrous cycle and menstrual cycle.
MEDIUM
The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively
EASY
The reproductive cycle of female primates is called _____.
MEDIUM
The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be:
MEDIUM
Differentiation in morphology of the two sexes of the same species is called
MEDIUM
Pick which of the following are not the mode of asexual reproduction.
EASY
Pills are very effective with lesser side effects and are well accepted by the _____.
MEDIUM
A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has
EASY
The genetic material should be stable enough not to change with different stages of life cycle, age or with change in _____ of the organism.
EASY
Fusion of two _____ results in the formation of zygote.
EASY
The vegetative cell is bigger, has abundant food reserve and a large irregularly shaped _____.
EASY
_____ showed how even a slow growing animal like elephant could reach enormous numbers in the absence of checks.
EASY
_____ is defined as a biological process in which an organism gives rise to young ones (offspring) similar to itself.
EASY
_____ menstruation is an indicator of normal reproductive phase and extends between menarche and menopause.