Biology

Biological Reproduction

762 Questions

Biological reproduction encompasses processes like asexual and sexual reproduction, alternation of generations, and specific mechanisms in plants and fungi. This topic is fundamental for biology paper preparation in various competitive exams. Practice these questions to solidify your understanding.

Asexual reproduction structuresPlant and fungi life cyclesCloning and fertilizationReproductive terminology

Biological Reproduction Questions

Multiple choice zoology frog introduction to reproduction reproductive system in frog frog - digestive system, circulatory system, excretory system and reproductive system

Pairing of male and female frogs during breeding season is called

  1. Coitus

  2. Mating

  3. Copulation

  4. Amplexus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In almost all frogs, egg fertilization happens outside the female's body instead of inside. The female releases her eggs and the male releases his sperm at the same time. In order to make sure that the sperm reach the eggs, the male and female get into a mating posture called amplexus. The male climbs onto the female's back and clasps his forelegs around her middle. 

So, the correct answer is 'Amplexus'.

Multiple choice biology biology : an introduction introduction to organization of life signs of life what is living?

In the living things, growth

  1. Happens from inside

  2. From outside

  3. Both A and B

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

All living beings grow by the cell division and metabolic processing like respiration, nutrition etc. The living being is made up of cells hence their division happens inside the body and thus the growth happens from inside.

So the correct option is 'Happens from inside'.

Multiple choice biology habits and habitats of some important animals behavioural science ethology animal behaviour

Identify the correct term for the statement, 'mating between groups do not produce fertile offspring'.

  1. Geographical isolation

  2. Mechanical isolation

  3. Temporal isolation

  4. Hybrid sterility

  5. Behavioral isolation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Presence of populations of a species in distant localities preventing the gene flow between them leads to geographical isolation. Incompatible differences in reproductive structures leading to prevention of cross fertilization refers to as mechanical isolation. Different periods of attainment of sexual maturity leads to temporal isolation. Incompatible premating behaviour leading to no attraction between groups for mating is termed as behavioural isolation. Abnormal distribution to the gametes of whole chromosomes, chromosome segments, or combinations of genes leading to infertile hybrid is one of the post zygotic isolation.

Therefore, the correct answer is option D.

Multiple choice biology living world and classification of microbes pathogen and their mode of transmission economic importance of bacteria and fungi five kingdoms of living organisms

The arrangement of parts in an organism in such a way that the structure can only be divided into similar halves along one plane is known as

  1. Uniplanner symmetry

  2. Radial symmetry

  3. Bilateral symmetry

  4. Unique symmetry
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The property of being divisible into symmetrical halves on either side of a unique plane.

So, the correct option is 'Bilateral symmetry'.

Multiple choice biology division for growth and reproduction cell division in embryo development structure of chromosome, cell cycle and cell division component of the cell different types of reproduction reproductive health of humans need of family planning tissues of animals mitosis reproductive health

The life of all multicellular organisms through sexual reproduction starts as a ............

  1. Zygote

  2. Sperm cell

  3. Haploid cell

  4. Egg
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In sexual reproduction, an egg cell from female and a sperm from a male fuse to form a zygote, precursor to an embryo offspring. The offspring is generally distinct from parents. Both the gametes contain half the number of required chromosomes, that is they are haploid in nature. The zygote contains the exact number of chromosomes required. This is how chromosome number is conserved from generation to generation. The zygote undergoes further cell division to form an embryo. 

So the correct answer is the zygote.

Multiple choice botany types and parts of plants plant life cycle alternation of generations life span

Haplo-diplontic life cycle is found in ____________.

  1. bryophytes

  2. pteridophytes

  3. fungi

  4. both (a) and (b)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Haplo-diplontic type of life cycle involves the clear alternation of generations between a haploid gamete producing gametophyte and a diploid spore-producing sporophyte. Both bryophytes and pteridophytes exhibit this kind of life cycle pattern.

So the correct option is D.

Multiple choice biology the life cycle of animals types of reproduction in animals oviparous and viviparous a study on animals

Salamandra atra is 

  1. Ovoviviparous

  2. Oviparous

  3. Sexually sterile

  4. Parthenogenetic
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ovoviviparous is the method of reproduction in which animals produce eggs, but instead of laying the eggs, the eggs develop within the mother's body. The eggs hatch within the mother. After hatching, they remain inside the mother for a time and are nourished there. 

In salmonella atra, offspring after hatching undergoes metamorphosis inside the body of the mother. Offspring is delivered after complete metamorphosis. This is why they have a gestation period of two-four years.
So, the correct option is 'Ovoviviparous'.

Multiple choice biology the life cycle of animals types of reproduction in animals oviparous and viviparous a study on animals

Organisms which give birth to young ones directly are

  1. Oviparous

  2. Ovoviparous

  3. Viviparous

  4. Both A and B
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Option C viviparous

Animals that have live births because they nourish the unborn young internally with a placenta are the mammals, except the monotremes. They retain their eggs internally until they hatch then feed the young milk. These are the viviparous mammals.

Multiple choice botany modes of reproduction why do plants reproduce? reproduction and variation the life cycle of plants

The phenomenon wherein, the ovary develops into a fruit without fertilisation is called.

  1. Parthenocarpy

  2. Apomixis

  3. Asexual reproduction

  4. Sexual reproduction
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Fertilised ovary is technically called fruit. But if ovary develops into fruits, without fertilisation, it is called parthenocarpic fruit. Such fruits are generally seedless. Some common examples found in nature are: Citrus, banana, etc., Parthenocarpy can be artificially induced too by application of certain plant hormones, especially, auxins and gibberellins.

Multiple choice botany modes of reproduction why do plants reproduce? reproduction and variation the life cycle of plants

Reproduction is essential for living organisms in order to

  1. Keep the individual organism alive

  2. Fulfill their energy requirement

  3. Maintain growth

  4. Continue the species generation after generation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • Reproduction is an essential process required for continuity of life and survival of species generation after generation. 
  • An individual has a limited lifespan and lives for a defined time period but species survive and evolve for a much longer duration. Reproduction serves no other purpose and is not required for energy production or growth of an organism.

Therefore, the correct answer is option D.

Multiple choice botany modes of reproduction why do plants reproduce? reproduction and variation the life cycle of plants

The process of development of organism like itself is called as

  1. Budding

  2. Flowering

  3. Reproduction

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Reproduction can be defined as the biological process by which new individuals or offsprings are produced from their 'parents'. Offsprings are little similar to their parents.
Budding is a type of asexual reproduction by which offsprings arise from a single organism.

Multiple choice botany modes of reproduction why do plants reproduce? reproduction and variation the life cycle of plants

Reproduction is essential for living organisms in order to

  1. Keep the individual organism alive

  2. Fulfill their energy requirement

  3. Maintain growth

  4. Continue the species generation after generation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Reproduction is important because, with the help of reproduction, a new generation of species are produced. With the help of reproduction, genetic traits of that species are transferred from one generation to another.

Multiple choice botany modes of reproduction why do plants reproduce? reproduction and variation the life cycle of plants

Choose the correct statement about reproduction


I) It produces progeny with more or less similar features to parents.
II) It occurs by involving one parent (asexual) or two parents (sexual).
III) It is through budding, fragmentation spores or gametes.
IV) It is not observed in non-living organisms.

  1. All of the above

  2. All except I

  3. All except IV

  4. All except III
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Reproduction is the biological process, through which a new organism produced from their parents. It is of two types - sexual reproduction, asexual reproduction. Asexual reproduction occurs through the involvement of the single parent. It occurs by many methods e.g .budding, fragmentation, spores. Asexually reproduce offspring is an identical copy of their parents. Sexual reproduction occurs through the involvement of two parents. It occurs through the male and female gametes. Sexually reproduce offspring are less similar to their parents. Reproduction is always observed in living organisms.

So, the correct answer is 'All of the above',

Multiple choice botany modes of reproduction why do plants reproduce? reproduction and variation the life cycle of plants

Reproduction is the characteristics of living organisms, but it cannot be regarded as defining property because

  1. Asexual reproduction involves only single parent

  2. Lower organisms do not reproduce under stressful environmental conditions

  3. All living beings do not have the capacity to reproduce

  4. For lower plants growth and reproduction are mutually inseparable phenomenon
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

  • Reproduction is the process by which living organisms produce new offspring similar to themselves.
  • All living organisms do not have the capacity to reproduce. For example worker honeybees, mule or sterile human couples. Despite their inability to reproduce, they show other characteristics of living organisms.


So, the correct option is 'All living beings do not have the capacity to reproduce'