Class 10 How Do Organisms Reproduce CBSE Questions & Answers

Class 10 · How Do Organisms Reproduce

This is online test 02 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
Rhizome, tuber, corm and bulb are under ground _____________ that help in vegetative propagation
  • A
    leaf
  • B
    root
  • C
    flower
  • D
    stem
    Correct
2
Which organ enables the developing foetus to obtain nourishment from the mother’s blood
  • A
    Graffian follicles
  • B
    Leydig cells
  • C
    placenta
    Correct
  • D
    fallopian tube
3
At what stage of the menstrual cycle is a woman said to be fertile?
  • A
    proliferative phase
  • B
    ovulation
    Correct
  • C
    secretary phase
  • D
    All of these
4
Which hormone causes contraction of the uterus during birth?
  • A
    thyroxin
  • B
    progesterone
  • C
    oxytocin
    Correct
  • D
    estrogen
5
Find the correct statement
  • A
    mustard is a unisexual plant
  • B
    plants grown using tissue culture technique are highly prone to diseases
  • C
    All of these
  • D
    plant raised by vegetative propagation can bear flowers and traits earlier than those produced from seeds
    Correct
6
A group of organisms that can interbreed to produce fertile offspring is called
  • A
    genus
  • B
    family
  • C
    order
  • D
    species
    Correct
7
Donkey is an example of
  • A
    Hermaphrodite
  • B
    None of these
  • C
    monoeceious
  • D
    Dioceious
    Correct
8
Statement A : testosterone is not responsible for bringing changes in appearance seen in boys at the time of puberty , Statement B : plasmodium divides into many daughter cells by regeneration
  • A
    Neither statement A not statement B is true
    Correct
  • B
    Statement B is true, A is false
  • C
    Both the statement A and B are true
  • D
    Statement A is true, B is false
9
What is the full form of IUCD
  • A
    Inter uterine contraceptive device
  • B
    Intra uterine contraceptive device
    Correct
  • C
    Intra uterine cover device
  • D
    Intra uterine contraceptive diet
10
Where does the embryo develop in a human female?
  • A
    seminal vesicles
  • B
    uterus
    Correct
  • C
    vagina
  • D
    Fallopian tube
11
In which of the following animals external fertilization takes place?
  • A
    hen and dog
  • B
    donkey and fish
  • C
    fish and frog
    Correct
  • D
    man and snake
12
What simultaneous changes occur side by side in the female reproductive system along with the follicular maturation?
  • A
    both of these
    Correct
  • B
    the inner wall of the uterus thickens to receive the zygote
  • C
    None of these
  • D
    the uterus breaks down and moves out of vagina in the form of bleeding
13
Statement A : Epididymis is a female reproductive organ , Statement B : Karyokinesis is the process of division of nucleus
  • A
    Statement A is true, B is false
  • B
    Neither statement A nor statement B is true
  • C
    Both the statements A and B are true
  • D
    Statement B is true, A is false
    Correct
14
Statement A : The act of giving birth of the fully developed foetus at the end of gestation period is parturition , Statement B : Syphilis is caused by bacteria Treponema palladium
  • A
    Both the statement A and B are true
    Correct
  • B
    Statement B is true, A is false
  • C
    Statement A is true, B is false
  • D
    Neither statement A nor statement B is true
15
Which of the following plants reproduce through spores?
  • A
    penicillium
  • B
    All of these
    Correct
  • C
    mucus
  • D
    rhizopus