Botany-Reproduction in Organisms - Online Test
Q1. Reproduction is an essential life process, which help in
Answer : Option D
Explaination / Solution:
During reproduction, new individuals are produced having similar traits that help in continuity of species. It is essential as all living organisms have fixed life span.
Q2. The period of pregnancy is known as
Answer : Option B
Explaination / Solution:
The duration from implantation of fertilised eggs to uterus till birth of well-developed baby is called gestation period. It is about nine months in human beings.
Q3. Some scientist consider virus as living entities because they can
Answer : Option D
Explaination / Solution:
Virus is called as borderline of living and non-living. Viruses act as living one when inside the other living organism and reproduce very fast. When outside the living body, virus behaves as molecules without any sign of living.
Q4. Largest bird is
Answer : Option C
Explaination / Solution:
Ostrich is a large sized bird. It is not able to fly long distance. The egg of ostrich is considered largest cell which is about one meter in diameter.
Q5. The period from birth to death of an organism represents
Answer : Option D
Explaination / Solution:
The period from Birth of an individual to its natural death is called life span. Different organisms have different life span starting from one day to hundreds of years.
Q6. The living organism can be unexceptionally differ from non-living on the basis of
Answer : Option A
Explaination / Solution:
The living and non-living shows a number of different features including respiration, nutrition, growth and stimulus but reproduction is most distinctive feature to classify into living and non-living.
Q7. Most of animals are unisexual but a few are bisexual too as
Answer : Option B
Explaination / Solution:
Most of animals possess either male or female reproductive organs, so unisexual except a few organisms like earthworm that contain both male and female reproductive parts in same individual.
Q8. Genetic variation is created and inherited during
Answer : Option C
Explaination / Solution:
During sexual reproduction, gamete carrying different genetic combination unit together and variation in offspring is created that is inherited from generation to next generation.
Q9. When two parents participate in reproductive process and also involve fusion of their gametes, it is called
Answer : Option C
Explaination / Solution:
In sexual reproduction male and female gametes are produced by male and female organism. The fusion of gametes results into zygote formation that finally develops as new offspring.
Q10. Parrots have life span of about
Answer : Option C
Explaination / Solution:
The life span of parrot is about 140 years. It is much more than other common animals living in our surrounding. Even more than human being life span.
