Planaria is a ____.
Planaria is a fresh water flatworm.
An animal with testes only is known as a ____.
Male animals possess testes as reproductive organs to produce sperm cells.
Yeast reproduces through ____.
Yeast reproduces asexually by budding.
Similar individuals are formed from a parent as a result of ____.
The parent organism such as amoeba undergoes repeated mitotic cell divisions to form two or many individuals of the same kind.
Which among the following methods continuous organism's race?
The organisms undergo either asexual or sexual mode of reproduction to maintain their race based on their body organisation.
The change observed in Giraffe over generations is ____.
Giraffe changed its neck over generations from short neck to long neck.
Which of the following is necessary in plants for sexual reproduction?
Pollination is an important event in sexual reproduction. It is the transfer pollen from anther to stigma of the flower.
Amoeba reproduces by ____.
Amoeba reproduces asexually by splitting the body into two daughter individuals. This process is called binary fission.
Which of the following is not a physical device used in barrier method to prevent pregnancy?
Condoms, diaphragms, cervical caps are the physical devices used in barrier method to prevent pregnancy. Oral pills are chemical method.
Which of the following are hereditary vehicles?
Chromosomes carry the genetic information from parents to children, hence they are known as hereditary vehicles.
Hydra reproduces through ____.
Hydra reproduces asexually through budding.
Implantation in humans occurs in ____.
Implantation in humans occurs in uterus. The attachment of blastocyst to the uterine wall is known as implantation.
The process in which a parent organism breaks up naturally to produce two or more daughter organisms is ____.
The breaking up of a multicellular organism into two or more parts on its own, where each part grows to form a new organism is called fragmentation.
Fallopian tube is a part of ____ .
Oviduct is divided into oviducal funnel, fallopian tube and uterus. Fertilisation takes place in fallopian tube.
Which among the following organisms have tentacles?
Hydra is a simple multicellular animal that has tentacles for locomotion and food capture.
A grafted plant is known as ____.
Stock is the plant on which grafting is performed. The plant is tied together and grafted with scion.
Planaria reproduces through ____.
Planaria reproduces asexually by regeneration.
Sexual organ of a plant is ____.
Flowers with male or female or both reproductive organs are known as sexual organs.
Yeast is a ____.
Yeast is a tiny, unicellular fungus widely used in fermentation.
The release of an ovum from the ovaries is called ____.
The release of an ovum from the ovaries is called ovulation.
A long tube arising from the testis is called ____.
Each testis gives out a long tube called vas deferens that carries sperm cells.
____ is the reproductive cell in human beings.
Males produce sperm cells and females produce ovum as reproductive cells.
The expansion of DNA is ____.
DNA is deoxyribonucleic acid. It is the genetic material present in genes.
Natural propagation method in plants is ____.
The common methods of artificial vegetative propagation are cutting, layering and grafting.
Chromosomes carry genetic information from one generation to the next through ____.
Deoxyribonucleic acid (DNA) present on the surface of chromosomes carry the information from one generation to the next generation.
Average duration of human pregnancy is ____.
Average duration of human pregnancy is 40 weeks or 280 days.
Which among the following help the species to survive in adverse conditions?
Replication process in DNA leads to its variation that depend on environmental conditions of the organisms.
Rhizopus reproduces asexually through ____.
Rhizopus reproduces asexually through spore formation.
Micro propagation is also known as ____.
Micro propagation is the method of tissue culture used in production of plants.
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