BZYCT-133 Comparative anatomy and Developmental Biology of Vertebrates
Solved Assignment 2019-2020
ASSIGNMENT
Course Code: BZYCT-133
Assignment Code: BZYCT-133/TMA/2020
Maximum Marks: 100
| Title Name |
BZYCT-133 Life Sciences Solved Assignment 2019-20 |
| University | IGNOU |
| Service Type | Solved Assignment (Soft copy/PDF) |
| Course | BSCG(Life Sciences) |
| Language | ENGLISH |
| Semester | 2019-2020 Course: BSCG(Life Sciences) |
| Session | 2019-20 |
| Short Name | BZYCT-133 (ENGLISH) |
| Assignment Code | BZYCT-133/TMA/2020 |
| Product | Assignment of BSCG(Life Sciences) 2019-2020 (IGNOU) |
| Submission Date | For the students enrolled in July 2019- 30th April 2020 For the students enrolled in January 2020- 31st October 2020 |
Note: Attempt all questions. The marks for each question are indicated against it. Marks
1. Differentiate between the following pairs:
i) holoblastic and meroblastic cleavage
ii) Blastula and blastocyst
iii) Horn and antler
iv) Monophyodont and polyphyodont dentition
v) Microglia and macroglia
(2×5=10)
2. With the help of a labelled diagram describe the three phases of
spermatogenesis in vertebrates.
(10)
3 Describe with the help of suitable diagrams the process of neural tube
formation in frog embryo.
(10)
4. Write short notes( in about 500 words) on the following: (4×5)=20
i)Cell signaling during embryonic developments
ii) Phylogeny and succession and of kidneys in vertebrates
iii) Respiration in cartilaginous fishes
iv) Thyroid, the endocrine gland of metabolism in mammals
5. a) Describe the various types of vertebrae that occur in the vertebral column
of vertebrates.
b) Give an account of the digestive system of birds
(5×2 =10)
6. List the various types of morphogenetic movements and describe any two of
them.
(10)
7. Discuss the endothermic heart of a mammal (10)
8. Describe the spinal cord of vertebrates.
(10)
9. Describe the vestibular apparatus of mammals. (10)
BZYCT-133, BZYCT 133, BZYCT133
