Class 8 Reproduction In Animals CBSE Questions & Answers

Class 8 · Reproduction In Animals

This is Science Class 8 Reproduction in Animals CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Amoeba is called immortal because it _______
  • A
    Has irregular shape
  • B
    Completely divides into two daughter cells
    Correct
  • C
    Reproduce by asexual reproduction
  • D
    Can develop pseudopodia
2
Sexual reproduction is better mode of reproduction because offspring
  • A
    Are identical to one another
  • B
    Are bigger in size
  • C
    Faster mode of reproduction
  • D
    Have better chances of survival
    Correct
3
Every sexually reproducing organism, including human being begin life as a single cell called
  • A
    Embryo
  • B
    Zygote
    Correct
  • C
    Gamete
  • D
    Spore
4
The chances of survival of young one is greater in __________ organism
  • A
    Gammules
  • B
    Omniparous
  • C
    Oviparous
  • D
    Viviparous
    Correct
5
Insemination involves
  • A
    Passage of semen into prostate gland
    Correct
  • B
    Fusion of male and female gamete
  • C
    Release of seminal fluid at the end of copulation
  • D
    Mixing of seminal fluid with sperm
6
Ovulation in the females normally takes place during the menstrual cycle
  • A
    Just before the start
  • B
    At the beginning
    Correct
  • C
    At the end
  • D
    In the middle
7
Which period of menstrual cycle is called risky period of conception?
  • A
    3rd to 7th day
  • B
    10th to 17th day
    Correct
  • C
    17th to 25th day
  • D
    7th to 13th day
8
Which one is not a sexually transmitted disease?
  • A
    AIDS
  • B
    Hepatitis-B
    Correct
  • C
    Genital herpes
  • D
    Syphilis
9
In IVF technique, fusion of ovum and sperm take place in
  • A
    Vagina
  • B
    Fallopian tube
  • C
    Culture medium
    Correct
  • D
    Uterus
10
Which gland develops inside the breast of girls?
  • A
    Seminal gland
  • B
    Lactic gland
  • C
    Master gland
  • D
    Mammary gland
    Correct
11
Which one of the following technique is used in test-tube baby programme
  • A
    Zygote Intra Fallopian transfer
    Correct
  • B
    Gamete Intra-Fallopian transfer
  • C
    Intra-Cytoplasmic Sperm Injection
  • D
    Intra-Uterine Insemination
12
Viability period of human ovum is ______
  • A
    7 days
  • B
    1 week
  • C
    5 days
  • D
    2 days
    Correct
13
Greatest biological problems faced by human being is
  • A
    Land erosion
  • B
    Depletion of ozone layer
  • C
    Population explosion
    Correct
  • D
    Depletion of natural resources
14
The features that help to distinguish the male from female are called
  • A
    Female sexual characters
  • B
    Male sexual characters
  • C
    Secondary sexual characters
    Correct
  • D
    Primary sexual features
15
The sex of child depends on the
  • A
    Sperm of father
    Correct
  • B
    Ovum of mother
  • C
    Blood group of father
  • D
    Blood group of mother