The period of pregnancy is called? Mark as favorite Copy Link gestation period menstruation period ovulation incubation period Check Answer
The part of the flower which is present in the centre of the flower is? Mark as favorite Copy Link Carpels Stamens Petals Sepals Check Answer
Which among the following diseases is not sexually transmitted? Mark as favorite Copy Link Gonorrhoea HIV – AIDS Hepatitis Syphillis Check Answer
Choose the correct statement? Mark as favorite Copy Link The cell which is formed by the fusion of male and female gametes is called zygote. The fusion of a male gamete with a female gamete to form a zygote during the sexual reproduction is called fertilization. All the multicellular animals start their life from a single cell called zygote through sexual reproduction. All the above Check Answer
Offspring formed as a result of sexual reproduction exhibit more variations because? Mark as favorite Copy Link Genetic material comes from many parents Genetic material comes from two parents of different species Sexual reproduction is a lengthy process Genetic material comes from two parents of the same species Check Answer
The seed that contains the future plant is called the? Mark as favorite Copy Link germ cells embryo seed coat cotyledons Check Answer
Which of the following statements are true for flowers? Mark as favorite Copy Link They are the sexual reproductive organs, and They are produced in all groups of plants They are the sexual reproductive organs, and After fertilization they give rise to fruits. Flowers are always bisexual, and They are produced in all groups of plants Flowers are always bisexual, and After fertilization they give rise to fruits Check Answer
The ability of an organism to develop whole body from a broken piece or fragment is called? Mark as favorite Copy Link multiple fission regeneration budding binary fission Check Answer
Which of the following statement is or are incorrect? Mark as favorite Copy Link In sexual reproduction the offspring although similar to their parents are not identical to them or to one another. The fertilization occurs outside the female body is called external fertilization The gametes are special type of cells called the reproductive cells which contain only double the amount of DNA as compared to the normal body cells of an organisms. The fertilization which occurs inside the female body is called internal fertilization. Check Answer
During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys? Mark as favorite Copy Link Cracking of voice Weight gain Increase in height Loss of milk teeth Check Answer