Embryo Development Test

Embryo Development

This is online test 01 for CBSE class 12 Biology Human Reproduction (Embryo development).. There are 10 questions in this test with each question having around four answer choices.

Questions & Answers

1
During which month of pregnancy first movement of fetus is observed
  • A
    Fifth month
    Correct
  • B
    Fourth month
  • C
    Sixth month
  • D
    Third month
2
The embryo at 16-celled stage is called
  • A
    Gastrula
  • B
    Morula
    Correct
  • C
    Blastula
  • D
    Blastomere
3
The assumption of shape, size and other morphological features by the embryo is called
  • A
    Formulation
  • B
    Organogenesis
  • C
    Morphogenesis
    Correct
  • D
    Gastrulation
4
Which of the following arise from endoderm?
  • A
    Heart
  • B
    Pigment cells
  • C
    Eye
  • D
    Lungs
    Correct
5
The embryo development from the somatic cells is called
  • A
    Callus
  • B
    Hybrid
  • C
    Embryoid
    Correct
  • D
    Cybrid
6
Which one is not correct about the function of placenta?
  • A
    Release HCG hormone
  • B
    Release progesterone hormone
    Correct
  • C
    Help in nutrition
  • D
    Help in respiration
7
Which germinal layer forms blood, heart, blood vessels etc.?
  • A
    Ectoderm
  • B
    Chorion
  • C
    Mesoderm
    Correct
  • D
    Endoderm
8
The type of placenta found in human beings is :-
  • A
    Discoidal
    Correct
  • B
    Diffuse
  • C
    Cotyledonary
  • D
    Zonary
9
The process of formation of primary organ rudiment is called
  • A
    Mesogenesis
  • B
    Notogenesis
  • C
    Neurogenesis
  • D
    Tubulation
    Correct
10
Identify the part of Blastocyst labelled as “A”
Question 10 figure 1
  • A
    Blastula
  • B
    Merula
  • C
    Trophoblast
    Correct
  • D
    Epidermis