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How do Organisms Reproduce?

Can you consider cell division as a type of reproduction in unicellular organism? Give one reason.

07/11/2024

Science

10th

How do Organisms Reproduce?

In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation

07/11/2024

Science

10th

How do Organisms Reproduce?

Which among the following diseases is not sexually transmitted?
(a) Syphillis
(b) Hepatitis
(c) HIV – AIDS
(d) Gonorrhoea

07/11/2024

Science

10th

How do Organisms Reproduce?

The correct sequence of organs in the male reproductive system for transport of sperms is
(a) testis → vasdeferens → urethra
(b) testis → ureter → urethra
(c) testis → urethra → ureter
(d) testis → vasdeferens → ureter

07/11/2024

Science

10th

How do Organisms Reproduce?

Which among the following is not the function of testes at puberty?
(i) formation of germ cells
(ii) secretion of testosterone
(iii) development of placenta
(iv) secretion of estrogen
(a) (i) and (ii) (b) (ii) and (iii)
(c) (iii) and (iv) (d) (i) and (iv)

07/11/2024

Science

10th

How do Organisms Reproduce?

In human males, the testes lie in the scrotum, because it helps in the
(a) process of mating
(b) formation of sperm
(c) easy transfer of gametes
(d) all the above

07/11/2024

Science

10th

How do Organisms Reproduce?

In human females, an event that reflects onset of reproductive phase is
(a) growth of body
(b) changes in hair pattern
(c) change in voice
(d) menstruation

07/11/2024

Science

10th

How do Organisms Reproduce?

During adolescence, several changes occur in the human body.
Mark one change associated with sexual maturation in boys
(a) loss of milk teeth
(b) increase in height
(c) cracking of voice
(d) weight gain

07/11/2024

Science

10th

How do Organisms Reproduce?

Reproduction is essential for living organisms in order to
(a) keep the individual organism alive
(b) fulfill their energy requirement
(c) maintain growth
(d) continue the species generation after generation

07/11/2024

Science

10th

How do Organisms Reproduce?

Offspring formed as a result of sexual reproduction exhibit more variations because
(a) sexual reproduction is a lengthy process
(b) genetic material comes from two parents of the same species
(c) genetic material comes from two parents of different species
(d) genetic material comes from many parents

07/11/2024

Science

10th