Class 10 How Do Organisms Reproduce CBSE Questions & Answers

Class 10 · How Do Organisms Reproduce

This is online test 03 for CBSE class 10 Science How do Organisms Reproduce.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Testes in mammals descend into scrotum because
  • A
    scrotum provides a disease prone medium to the sperm outside the body.
  • B
    scrotum provides a temperature of \({\rm{1}} - {{\rm{3}}^0}{\rm{c}}\) lower than that of the body
    Correct
  • C
    scrotum provides a temperature of \({\rm{1}}0 - {\rm{3}}{0^0}{\rm{c}}\) higher than that of the body
  • D
    scrotum provides nutritional material to the sperm
2
Parthenogenesis is common in
  • A
    bees
  • B
    All of these
    Correct
  • C
    wasp
  • D
    Ants
3
Which of the following method of reproduction induces over-crowding in plants
  • A
    Tissue culture
  • B
    vegetative propagation
    Correct
  • C
    sexual reproduction
  • D
    Asexual reproduction
4
What is the another name for tissue culture
  • A
    micro propagation
    Correct
  • B
    None of these
  • C
    Artificial vegetative propagation
  • D
    Natural vegetative propagation
5
Which one of the following is not a part of the organ system to which the other three belong?
  • A
    semeniferous tubules
  • B
    Fallopian tube
    Correct
  • C
    vas deferens
  • D
    Epididymis
6
Characters that ate transmitted from parents to offspring are present in-
  • A
    Ribosome
  • B
    Golgi bodies
  • C
    Genes
    Correct
  • D
    Cytoplasm
7
Statement A: fertilization is possible if ovulation has taken place during middle of the menstrual cycle. , Statement B : fertilization is not possible if ovulation has taken place during middle of the menstrual cycle
  • A
    Statement B is true, A is false
  • B
    Statement A is true, B is false
    Correct
  • C
    Both the statement A and B are true
  • D
    Neither statement A nor statement B is true
8
Statement A : male reproductive system is called the ‘urinogenital system’ , Statement B : parthenogenesis is same as that of asexual reproduction
  • A
    Statement A is true, B is false
    Correct
  • B
    Statement B is true, A is false
  • C
    Both the statement A and B are true
  • D
    Neither statement A nor Statement B is true
9
Pollen grains of wind pollinated plants are
  • A
    spongy, heavy
  • B
    light, sticky
  • C
    heavy, sticky
  • D
    light, spongy
    Correct
10
Name the kind of reproduction in bees in which males are produced.
  • A
    Artificial vegetative propagation
  • B
    Parthenogenesis
    Correct
  • C
    Asexual reproduction
  • D
    sexual reproduction
11
What is the scientific term for the given phrase ‘the reproductive organ cut and ligated for male sterilization’.
  • A
    Tubectomy
  • B
    Anatomy
  • C
    All of these
  • D
    Vasectomy
    Correct
12
To which type of disease Trichomoniasis belongs
  • A
    Lung disease
  • B
    STD
    Correct
  • C
    Cancer
  • D
    Aids
13
Statement A: Semens also contains enzyme that activate the sperm after ejaculation statement B: The function of stigma is to produce ovules.
  • A
    Neither statement A nor statement B is true.
  • B
    Both the statements A and B are true
  • C
    Statement B is true, A is false
  • D
    Statement A is true, B is false
    Correct
14
The two phases covering the first half and second half of menstrual cycle are
  • A
    None of these
  • B
    Proliterative phase, secretory phase
    Correct
  • C
    Secretory phase, ovulalion
  • D
    Proliterative phase ovulation
15
The primary reason for increase in human population is-
  • A
    The improvement is medical technology.
  • B
    All of the above
    Correct
  • C
    The increase in birth rate and decrease in death rate.
  • D
    The increase in agricultural production.