Advertisements
Advertisements
Answer in one sentence.
Where does fertilization and implantation occur?
Concept: undefined >> undefined
Answer in one sentence.
Give two differences between blastula and gastrula.
Concept: undefined >> undefined
Advertisements
Answer in one sentence.
What is the difference between embryo and zygote?
Concept: undefined >> undefined
Long answer question.
Explain the process by which zygote divides and re-divides to form the morula.
Concept: undefined >> undefined
Very Short Answer Question.
Give an example of a chromosomal disorder caused due to nondisjunction of autosomes.
Concept: undefined >> undefined
Match the column-I with column-II and re-write the matching pairs.
| Column-I | Column-II |
| 1. 21 trisomy | a. Turner’s syndrome |
| 2. X-monosomy | b. Klinefelter’s syndrome |
| 3. Holandric traits | c. Down's syndrome |
| 4. Feminized male | d. Hypertrichosis |
Concept: undefined >> undefined
Give function of astrocytes in nervous system.
Concept: undefined >> undefined
Define Saltatory conduction.
Concept: undefined >> undefined
Name the embryonic layer from which heart, blood, and blood vessels develop.
Concept: undefined >> undefined
Complete the flowchart of the process of conduction of nerve impulses.
| Application of stimulus on a resting nerve |
| ⇓ |
| Permeability of membrane changes |
| ⇓ |
| ______________________________ |
| ⇓ |
| Positive ions inside axon increases |
| ⇓ |
| ________________________________ |
| ⇓ |
| Polarity reverses and depolarisation takes place |
| ⇓ |
| Repolarisation - potassium gates open |
| ⇓ |
| ______________________________ |
| ⇓ |
| ______________________________ |
| ⇓ |
| Axoplasm becomes negatively charged and ECF becomes positive |
Concept: undefined >> undefined
Write an account of cleavage during embryonic development in humans.
Concept: undefined >> undefined
Write a note on implantation.
Concept: undefined >> undefined
In human beings 45 chromosomes/single X/XO abnormality causes ______.
Concept: undefined >> undefined
Webbed neck is characteristic of ______ syndrome.
Concept: undefined >> undefined
What is the reason for the 21st trisomy?
Concept: undefined >> undefined
Give a detail account of thalassemia.
Concept: undefined >> undefined
Write a note on Down’s syndrome.
Concept: undefined >> undefined
What are the different characters that develop due to Klinefelter's syndrome?
Concept: undefined >> undefined
Give reasons for the development of Turner’s syndrome and also mention its symptoms.
Concept: undefined >> undefined
Give an account of one Mendelian and one chromosomal disorder you have studied.
Concept: undefined >> undefined
